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-rw-r--r--tests/assembly/stack-protector/stack-protector-heuristics-effect.rs3
-rw-r--r--tests/codegen/issue-97217.rs22
-rw-r--r--tests/codegen/unwind-landingpad-cold.rs16
-rw-r--r--tests/codegen/unwind-landingpad-inline.rs39
-rw-r--r--tests/coverage-map/status-quo/async.cov-map90
-rw-r--r--tests/coverage-map/status-quo/async2.cov-map28
-rw-r--r--tests/coverage-map/status-quo/closure.cov-map185
-rw-r--r--tests/coverage-map/status-quo/closure_bug.cov-map125
-rw-r--r--tests/coverage-map/status-quo/closure_macro.cov-map22
-rw-r--r--tests/coverage-map/status-quo/closure_macro_async.cov-map22
-rw-r--r--tests/coverage-map/status-quo/conditions.cov-map338
-rw-r--r--tests/coverage-map/status-quo/continue.cov-map74
-rw-r--r--tests/coverage-map/status-quo/dead_code.cov-map8
-rw-r--r--tests/coverage-map/status-quo/generator.cov-map39
-rw-r--r--tests/coverage-map/status-quo/inline-dead.cov-map12
-rw-r--r--tests/coverage-map/status-quo/inline.cov-map26
-rw-r--r--tests/coverage-map/status-quo/issue-93054.cov-map8
-rw-r--r--tests/coverage-map/status-quo/lazy_boolean.cov-map372
-rw-r--r--tests/coverage-map/status-quo/loops_branches.cov-map218
-rw-r--r--tests/coverage-map/status-quo/no_cov_crate.cov-map4
-rw-r--r--tests/coverage-map/status-quo/partial_eq.cov-map12
-rw-r--r--tests/coverage-map/status-quo/simple_loop.cov-map23
-rw-r--r--tests/coverage-map/status-quo/simple_match.cov-map31
-rw-r--r--tests/coverage-map/status-quo/test_harness.cov-map4
-rw-r--r--tests/coverage-map/status-quo/try_error_result.cov-map166
-rw-r--r--tests/coverage-map/status-quo/unused.cov-map16
-rw-r--r--tests/coverage-map/status-quo/yield.cov-map62
-rw-r--r--tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff48
-rw-r--r--tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff48
-rw-r--r--tests/mir-opt/instrument_coverage.bar.InstrumentCoverage.diff2
-rw-r--r--tests/mir-opt/instrument_coverage.main.InstrumentCoverage.diff9
-rw-r--r--tests/rustdoc/inline_cross/auxiliary/fn-type.rs1
-rw-r--r--tests/rustdoc/inline_cross/auxiliary/impl_trait_aux.rs2
-rw-r--r--tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs10
-rw-r--r--tests/rustdoc/inline_cross/fn-type.rs12
-rw-r--r--tests/rustdoc/inline_cross/impl_trait.rs2
-rw-r--r--tests/rustdoc/inline_cross/non_lifetime_binders.rs13
-rw-r--r--tests/ui/async-await/issue-108572.fixed16
-rw-r--r--tests/ui/async-await/issue-108572.rs7
-rw-r--r--tests/ui/async-await/issue-108572.stderr9
-rw-r--r--tests/ui/async-await/pin-needed-to-poll.stderr8
-rw-r--r--tests/ui/auto-traits/pre-cfg.rs8
-rw-r--r--tests/ui/auto-traits/pre-cfg.stderr13
-rw-r--r--tests/ui/const-generics/occurs-check/unused-substs-1.stderr2
-rw-r--r--tests/ui/generic-const-items/unsatisfied-bounds.stderr2
-rw-r--r--tests/ui/impl-trait/issues/issue-62742.stderr5
-rw-r--r--tests/ui/indexing/index-help.stderr3
-rw-r--r--tests/ui/indexing/indexing-requires-a-uint.stderr3
-rw-r--r--tests/ui/integral-indexing.stderr24
-rw-r--r--tests/ui/issues/issue-34334.stderr3
-rw-r--r--tests/ui/issues/issue-45801.stderr1
-rw-r--r--tests/ui/issues/issue-66923-show-error-for-correct-call.stderr6
-rw-r--r--tests/ui/iterators/invalid-iterator-chain.stderr6
-rw-r--r--tests/ui/macros/stringify.rs1
-rw-r--r--tests/ui/never_type/never-value-fallback-issue-66757.nofallback.stderr1
-rw-r--r--tests/ui/on-unimplemented/impl-substs.stderr3
-rw-r--r--tests/ui/on-unimplemented/on-impl.stderr3
-rw-r--r--tests/ui/on-unimplemented/slice-index.stderr3
-rw-r--r--tests/ui/or-patterns/missing-bindings.stderr84
-rw-r--r--tests/ui/resolve/resolve-inconsistent-names.stderr42
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs28
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr26
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs9
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.stderr20
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.rs2
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.stderr32
-rw-r--r--tests/ui/self/arbitrary_self_types_needing_mut_pin.fixed3
-rw-r--r--tests/ui/self/arbitrary_self_types_needing_mut_pin.stderr10
-rw-r--r--tests/ui/span/issue-39698.stderr34
-rw-r--r--tests/ui/str/str-idx.stderr9
-rw-r--r--tests/ui/str/str-mut-idx.stderr9
-rw-r--r--tests/ui/suggestions/issue-101623.stderr3
-rw-r--r--tests/ui/suggestions/suggest-dereferencing-index.stderr3
-rw-r--r--tests/ui/traits/coercion-generic-bad.stderr1
-rw-r--r--tests/ui/traits/non_lifetime_binders/on-rpit.rs16
-rw-r--r--tests/ui/traits/non_lifetime_binders/on-rpit.stderr11
-rw-r--r--tests/ui/try-block/try-block-bad-type.stderr1
-rw-r--r--tests/ui/try-trait/bad-interconversion.stderr9
-rw-r--r--tests/ui/type/type-check/point-at-inference-issue-116155.rs17
-rw-r--r--tests/ui/type/type-check/point-at-inference-issue-116155.stderr18
80 files changed, 1424 insertions, 1202 deletions
diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs
index a7c9e4845c7..e46b902df07 100644
--- a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs
+++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs
@@ -9,6 +9,7 @@
 // [basic] compile-flags: -Z stack-protector=basic
 // [none] compile-flags: -Z stack-protector=none
 // compile-flags: -C opt-level=2 -Z merge-functions=disabled
+// min-llvm-version: 17.0.2
 
 #![crate_type = "lib"]
 
@@ -371,7 +372,7 @@ pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) {
 
 
     // all: __stack_chk_fail
-    // strong: __stack_chk_fail
+    // strong-NOT: __stack_chk_fail
     // basic-NOT: __stack_chk_fail
     // none-NOT: __stack_chk_fail
     // missing-NOT: __stack_chk_fail
diff --git a/tests/codegen/issue-97217.rs b/tests/codegen/issue-97217.rs
new file mode 100644
index 00000000000..af7345442fc
--- /dev/null
+++ b/tests/codegen/issue-97217.rs
@@ -0,0 +1,22 @@
+// compile-flags: -C opt-level=3
+// ignore-debug: the debug assertions get in the way
+// min-llvm-version: 17.0.2
+#![crate_type = "lib"]
+
+// Regression test for issue 97217 (the following should result in no allocations)
+
+// CHECK-LABEL: @issue97217
+#[no_mangle]
+pub fn issue97217() -> i32 {
+    // drop_in_place should be inlined and never appear
+    // CHECK-NOT: drop_in_place
+
+    // __rust_alloc should be optimized out
+    // CHECK-NOT: __rust_alloc
+
+    let v1 = vec![5, 6, 7];
+    let v1_iter = v1.iter();
+    let total: i32 = v1_iter.sum();
+    println!("{}",total);
+    total
+}
diff --git a/tests/codegen/unwind-landingpad-cold.rs b/tests/codegen/unwind-landingpad-cold.rs
new file mode 100644
index 00000000000..3a902a7d712
--- /dev/null
+++ b/tests/codegen/unwind-landingpad-cold.rs
@@ -0,0 +1,16 @@
+// compile-flags: -Cno-prepopulate-passes
+// needs-unwind
+// min-llvm-version: 17.0.2
+#![crate_type = "lib"]
+
+// This test checks that drop calls in unwind landing pads
+// get the `cold` attribute.
+
+// CHECK-LABEL: @check_cold
+// CHECK: {{(call|invoke) void .+}}drop_in_place{{.+}} [[ATTRIBUTES:#[0-9]+]]
+// CHECK: attributes [[ATTRIBUTES]] = { cold }
+#[no_mangle]
+pub fn check_cold(f: fn(), x: Box<u32>) {
+    // this may unwind
+    f();
+}
diff --git a/tests/codegen/unwind-landingpad-inline.rs b/tests/codegen/unwind-landingpad-inline.rs
new file mode 100644
index 00000000000..0774cefdd2d
--- /dev/null
+++ b/tests/codegen/unwind-landingpad-inline.rs
@@ -0,0 +1,39 @@
+// min-llvm-version: 17.0.2
+// compile-flags: -Copt-level=3
+// ignore-debug: the debug assertions get in the way
+#![crate_type = "lib"]
+
+// This test checks that we can inline drop_in_place in
+// unwind landing pads.
+
+// Without inlining, the box pointers escape via the call to drop_in_place,
+// and LLVM will not optimize out the pointer comparison.
+// With inlining, everything should be optimized out.
+// See https://github.com/rust-lang/rust/issues/46515
+// CHECK-LABEL: @check_no_escape_in_landingpad
+// CHECK: start:
+// CHECK-NEXT: __rust_no_alloc_shim_is_unstable
+// CHECK-NEXT: __rust_no_alloc_shim_is_unstable
+// CHECK-NEXT: ret void
+#[no_mangle]
+pub fn check_no_escape_in_landingpad(f: fn()) {
+    let x = &*Box::new(0);
+    let y = &*Box::new(0);
+
+    if x as *const _ == y as *const _ {
+        f();
+    }
+}
+
+// Without inlining, the compiler can't tell that
+// dropping an empty string (in a landing pad) does nothing.
+// With inlining, the landing pad should be optimized out.
+// See https://github.com/rust-lang/rust/issues/87055
+// CHECK-LABEL: @check_eliminate_noop_drop
+// CHECK: call void %g()
+// CHECK-NEXT: ret void
+#[no_mangle]
+pub fn check_eliminate_noop_drop(g: fn()) {
+    let _var = String::new();
+    g();
+}
diff --git a/tests/coverage-map/status-quo/async.cov-map b/tests/coverage-map/status-quo/async.cov-map
index 5f28252ef80..598791537ad 100644
--- a/tests/coverage-map/status-quo/async.cov-map
+++ b/tests/coverage-map/status-quo/async.cov-map
@@ -38,42 +38,40 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 13, 20) to (start + 0, 25)
 
 Function name: async::e (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 0f, 01, 00, 14]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 0f, 01, 00, 14]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 15, 1) to (start + 0, 20)
+- Code(Zero) at (prev + 15, 1) to (start + 0, 20)
 
 Function name: async::e::{closure#0} (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 0f, 14, 00, 19]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 0f, 14, 00, 19]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 15, 20) to (start + 0, 25)
+- Code(Zero) at (prev + 15, 20) to (start + 0, 25)
 
 Function name: async::executor::block_on::<core::pin::Pin<&mut async::i::{closure#0}>>
-Raw bytes (44): 0x[01, 01, 05, 0b, 05, 01, 05, 01, 05, 02, 00, 02, 00, 06, 01, 6e, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 0f, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 13, 02, 05, 00, 06]
+Raw bytes (40): 0x[01, 01, 03, 0b, 05, 01, 05, 01, 05, 06, 01, 6e, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 02, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 02, 02, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 3
 - expression 0 operands: lhs = Expression(2, Add), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 4 operands: lhs = Expression(0, Sub), rhs = Zero
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 110, 5) to (start + 10, 54)
 - Code(Expression(0, Sub)) at (prev + 13, 32) to (start + 0, 35)
     = ((c0 + c1) - c1)
 - Code(Expression(2, Add)) at (prev + 0, 39) to (start + 0, 73)
     = (c0 + c1)
-- Code(Expression(3, Add)) at (prev + 1, 23) to (start + 0, 26)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 1, 23) to (start + 0, 26)
+    = ((c0 + c1) - c1)
 - Code(Counter(1)) at (prev + 1, 14) to (start + 0, 15)
-- Code(Expression(4, Add)) at (prev + 2, 5) to (start + 0, 6)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 0, 6)
+    = ((c0 + c1) - c1)
 
 Function name: async::executor::block_on::VTABLE::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 72, 11, 00, 33]
@@ -124,20 +122,20 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 20) to (start + 0, 25)
 
 Function name: async::foo (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 01, 00, 1e]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 13, 01, 00, 1e]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 19, 1) to (start + 0, 30)
+- Code(Zero) at (prev + 19, 1) to (start + 0, 30)
 
 Function name: async::foo::{closure#0} (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 1e, 00, 2d]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 13, 1e, 00, 2d]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 19, 30) to (start + 0, 45)
+- Code(Zero) at (prev + 19, 30) to (start + 0, 45)
 
 Function name: async::g
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 15, 01, 00, 17]
@@ -148,14 +146,14 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 21, 1) to (start + 0, 23)
 
 Function name: async::g::{closure#0} (unused)
-Raw bytes (69): 0x[01, 01, 00, 0d, 00, 15, 17, 01, 0c, 00, 02, 09, 00, 0a, 01, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 09, 00, 0a, 00, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
+Raw bytes (69): 0x[01, 01, 00, 0d, 00, 15, 17, 01, 0c, 00, 02, 09, 00, 0a, 00, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 09, 00, 0a, 00, 00, 0e, 00, 11, 00, 00, 12, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 13
 - Code(Zero) at (prev + 21, 23) to (start + 1, 12)
 - Code(Zero) at (prev + 2, 9) to (start + 0, 10)
-- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 17)
+- Code(Zero) at (prev + 0, 14) to (start + 0, 17)
 - Code(Zero) at (prev + 0, 18) to (start + 0, 23)
 - Code(Zero) at (prev + 0, 27) to (start + 0, 28)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
@@ -176,14 +174,14 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 29, 1) to (start + 0, 22)
 
 Function name: async::h::{closure#0} (unused)
-Raw bytes (44): 0x[01, 01, 00, 08, 00, 1d, 16, 03, 0c, 00, 04, 09, 00, 0a, 01, 00, 0e, 00, 13, 00, 00, 14, 00, 19, 00, 00, 1a, 00, 1b, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
+Raw bytes (44): 0x[01, 01, 00, 08, 00, 1d, 16, 03, 0c, 00, 04, 09, 00, 0a, 00, 00, 0e, 00, 13, 00, 00, 14, 00, 19, 00, 00, 1a, 00, 1b, 00, 00, 20, 00, 22, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 8
 - Code(Zero) at (prev + 29, 22) to (start + 3, 12)
 - Code(Zero) at (prev + 4, 9) to (start + 0, 10)
-- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 19)
+- Code(Zero) at (prev + 0, 14) to (start + 0, 19)
 - Code(Zero) at (prev + 0, 20) to (start + 0, 25)
 - Code(Zero) at (prev + 0, 26) to (start + 0, 27)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
@@ -199,58 +197,46 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 38, 1) to (start + 0, 19)
 
 Function name: async::i::{closure#0}
-Raw bytes (84): 0x[01, 01, 05, 01, 00, 0d, 00, 1d, 00, 19, 13, 1d, 21, 0e, 01, 26, 13, 04, 0c, 0d, 05, 09, 00, 0a, 03, 00, 0e, 00, 12, 05, 00, 13, 00, 18, 09, 00, 1c, 00, 21, 07, 00, 27, 00, 2a, 15, 00, 2b, 00, 30, 1d, 01, 09, 00, 0a, 11, 00, 0e, 00, 11, 25, 00, 12, 00, 17, 29, 00, 1b, 00, 20, 0b, 00, 24, 00, 26, 21, 01, 0e, 00, 10, 0f, 02, 01, 00, 02]
+Raw bytes (78): 0x[01, 01, 02, 19, 07, 1d, 21, 0e, 01, 26, 13, 04, 0c, 0d, 05, 09, 00, 0a, 01, 00, 0e, 00, 12, 05, 00, 13, 00, 18, 09, 00, 1c, 00, 21, 0d, 00, 27, 00, 2a, 15, 00, 2b, 00, 30, 1d, 01, 09, 00, 0a, 11, 00, 0e, 00, 11, 25, 00, 12, 00, 17, 29, 00, 1b, 00, 20, 1d, 00, 24, 00, 26, 21, 01, 0e, 00, 10, 03, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(3), rhs = Zero
-- expression 2 operands: lhs = Counter(7), rhs = Zero
-- expression 3 operands: lhs = Counter(6), rhs = Expression(4, Add)
-- expression 4 operands: lhs = Counter(7), rhs = Counter(8)
+Number of expressions: 2
+- expression 0 operands: lhs = Counter(6), rhs = Expression(1, Add)
+- expression 1 operands: lhs = Counter(7), rhs = Counter(8)
 Number of file 0 mappings: 14
 - Code(Counter(0)) at (prev + 38, 19) to (start + 4, 12)
 - Code(Counter(3)) at (prev + 5, 9) to (start + 0, 10)
-- Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 18)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 18)
 - Code(Counter(1)) at (prev + 0, 19) to (start + 0, 24)
 - Code(Counter(2)) at (prev + 0, 28) to (start + 0, 33)
-- Code(Expression(1, Add)) at (prev + 0, 39) to (start + 0, 42)
-    = (c3 + Zero)
+- Code(Counter(3)) at (prev + 0, 39) to (start + 0, 42)
 - Code(Counter(5)) at (prev + 0, 43) to (start + 0, 48)
 - Code(Counter(7)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(4)) at (prev + 0, 14) to (start + 0, 17)
 - Code(Counter(9)) at (prev + 0, 18) to (start + 0, 23)
 - Code(Counter(10)) at (prev + 0, 27) to (start + 0, 32)
-- Code(Expression(2, Add)) at (prev + 0, 36) to (start + 0, 38)
-    = (c7 + Zero)
+- Code(Counter(7)) at (prev + 0, 36) to (start + 0, 38)
 - Code(Counter(8)) at (prev + 1, 14) to (start + 0, 16)
-- Code(Expression(3, Add)) at (prev + 2, 1) to (start + 0, 2)
+- Code(Expression(0, Add)) at (prev + 2, 1) to (start + 0, 2)
     = (c6 + (c7 + c8))
 
 Function name: async::j
-Raw bytes (59): 0x[01, 01, 05, 01, 00, 05, 00, 09, 00, 05, 13, 09, 0d, 09, 01, 31, 01, 13, 0c, 05, 14, 09, 00, 0a, 03, 00, 0e, 00, 1b, 07, 00, 1f, 00, 27, 09, 01, 09, 00, 0a, 11, 00, 0e, 00, 1a, 0b, 00, 1e, 00, 20, 0d, 01, 0e, 00, 10, 0f, 02, 01, 00, 02]
+Raw bytes (53): 0x[01, 01, 02, 05, 07, 09, 0d, 09, 01, 31, 01, 13, 0c, 05, 14, 09, 00, 0a, 01, 00, 0e, 00, 1b, 05, 00, 1f, 00, 27, 09, 01, 09, 00, 0a, 11, 00, 0e, 00, 1a, 09, 00, 1e, 00, 20, 0d, 01, 0e, 00, 10, 03, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(1), rhs = Zero
-- expression 2 operands: lhs = Counter(2), rhs = Zero
-- expression 3 operands: lhs = Counter(1), rhs = Expression(4, Add)
-- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
+Number of expressions: 2
+- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add)
+- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 49, 1) to (start + 19, 12)
 - Code(Counter(1)) at (prev + 20, 9) to (start + 0, 10)
-- Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 27)
-    = (c0 + Zero)
-- Code(Expression(1, Add)) at (prev + 0, 31) to (start + 0, 39)
-    = (c1 + Zero)
+- Code(Counter(0)) at (prev + 0, 14) to (start + 0, 27)
+- Code(Counter(1)) at (prev + 0, 31) to (start + 0, 39)
 - Code(Counter(2)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Counter(4)) at (prev + 0, 14) to (start + 0, 26)
-- Code(Expression(2, Add)) at (prev + 0, 30) to (start + 0, 32)
-    = (c2 + Zero)
+- Code(Counter(2)) at (prev + 0, 30) to (start + 0, 32)
 - Code(Counter(3)) at (prev + 1, 14) to (start + 0, 16)
-- Code(Expression(3, Add)) at (prev + 2, 1) to (start + 0, 2)
+- Code(Expression(0, Add)) at (prev + 2, 1) to (start + 0, 2)
     = (c1 + (c2 + c3))
 
 Function name: async::j::c
@@ -285,12 +271,12 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 67, 5) to (start + 0, 23)
 
 Function name: async::k (unused)
-Raw bytes (29): 0x[01, 01, 00, 05, 01, 4b, 01, 01, 0c, 00, 02, 0e, 00, 10, 00, 01, 0e, 00, 10, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
+Raw bytes (29): 0x[01, 01, 00, 05, 00, 4b, 01, 01, 0c, 00, 02, 0e, 00, 10, 00, 01, 0e, 00, 10, 00, 01, 0e, 00, 10, 00, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 5
-- Code(Counter(0)) at (prev + 75, 1) to (start + 1, 12)
+- Code(Zero) at (prev + 75, 1) to (start + 1, 12)
 - Code(Zero) at (prev + 2, 14) to (start + 0, 16)
 - Code(Zero) at (prev + 1, 14) to (start + 0, 16)
 - Code(Zero) at (prev + 1, 14) to (start + 0, 16)
@@ -323,12 +309,12 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 91, 1) to (start + 0, 25)
 
 Function name: async::m::{closure#0} (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 5b, 19, 00, 22]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 5b, 19, 00, 22]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 91, 25) to (start + 0, 34)
+- Code(Zero) at (prev + 91, 25) to (start + 0, 34)
 
 Function name: async::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 5d, 01, 08, 02]
diff --git a/tests/coverage-map/status-quo/async2.cov-map b/tests/coverage-map/status-quo/async2.cov-map
index fe74dcd8840..cc7aed9aee3 100644
--- a/tests/coverage-map/status-quo/async2.cov-map
+++ b/tests/coverage-map/status-quo/async2.cov-map
@@ -38,48 +38,44 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 19, 36) to (start + 2, 2)
 
 Function name: async2::executor::block_on::<async2::async_func::{closure#0}>
-Raw bytes (44): 0x[01, 01, 05, 0b, 05, 01, 05, 01, 05, 02, 00, 02, 00, 06, 01, 27, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 0f, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 13, 02, 05, 00, 06]
+Raw bytes (40): 0x[01, 01, 03, 0b, 05, 01, 05, 01, 05, 06, 01, 27, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 02, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 02, 02, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 3
 - expression 0 operands: lhs = Expression(2, Add), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 4 operands: lhs = Expression(0, Sub), rhs = Zero
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 39, 5) to (start + 10, 54)
 - Code(Expression(0, Sub)) at (prev + 13, 32) to (start + 0, 35)
     = ((c0 + c1) - c1)
 - Code(Expression(2, Add)) at (prev + 0, 39) to (start + 0, 73)
     = (c0 + c1)
-- Code(Expression(3, Add)) at (prev + 1, 23) to (start + 0, 26)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 1, 23) to (start + 0, 26)
+    = ((c0 + c1) - c1)
 - Code(Counter(1)) at (prev + 1, 14) to (start + 0, 15)
-- Code(Expression(4, Add)) at (prev + 2, 5) to (start + 0, 6)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 0, 6)
+    = ((c0 + c1) - c1)
 
 Function name: async2::executor::block_on::<async2::async_func_just_println::{closure#0}>
-Raw bytes (44): 0x[01, 01, 05, 0b, 05, 01, 05, 01, 05, 02, 00, 02, 00, 06, 01, 27, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 0f, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 13, 02, 05, 00, 06]
+Raw bytes (40): 0x[01, 01, 03, 0b, 05, 01, 05, 01, 05, 06, 01, 27, 05, 0a, 36, 02, 0d, 20, 00, 23, 0b, 00, 27, 00, 49, 02, 01, 17, 00, 1a, 05, 01, 0e, 00, 0f, 02, 02, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 3
 - expression 0 operands: lhs = Expression(2, Add), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 4 operands: lhs = Expression(0, Sub), rhs = Zero
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 39, 5) to (start + 10, 54)
 - Code(Expression(0, Sub)) at (prev + 13, 32) to (start + 0, 35)
     = ((c0 + c1) - c1)
 - Code(Expression(2, Add)) at (prev + 0, 39) to (start + 0, 73)
     = (c0 + c1)
-- Code(Expression(3, Add)) at (prev + 1, 23) to (start + 0, 26)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 1, 23) to (start + 0, 26)
+    = ((c0 + c1) - c1)
 - Code(Counter(1)) at (prev + 1, 14) to (start + 0, 15)
-- Code(Expression(4, Add)) at (prev + 2, 5) to (start + 0, 6)
-    = (((c0 + c1) - c1) + Zero)
+- Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 0, 6)
+    = ((c0 + c1) - c1)
 
 Function name: async2::executor::block_on::VTABLE::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 2b, 11, 00, 33]
diff --git a/tests/coverage-map/status-quo/closure.cov-map b/tests/coverage-map/status-quo/closure.cov-map
index 7dbf6ec834d..522c1e73afe 100644
--- a/tests/coverage-map/status-quo/closure.cov-map
+++ b/tests/coverage-map/status-quo/closure.cov-map
@@ -1,77 +1,36 @@
 Function name: closure::main
-Raw bytes (170): 0x[01, 01, 17, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 00, 01, 05, 05, 5a, 01, 05, 18, 01, 08, 01, 0f, 0d, 03, 16, 0e, 06, 0a, 07, 10, 05, 13, 0d, 0b, 1a, 0e, 06, 0a, 0f, 10, 05, 0c, 16, 13, 16, 05, 0d, 18, 17, 19, 09, 01, 1e, 1b, 04, 09, 00, 29, 1f, 01, 09, 00, 2d, 23, 01, 09, 00, 24, 27, 05, 09, 00, 24, 2b, 02, 09, 00, 21, 2f, 04, 09, 00, 21, 33, 04, 09, 00, 28, 37, 09, 09, 00, 32, 3b, 04, 09, 00, 33, 3f, 07, 09, 00, 4b, 43, 08, 09, 00, 48, 47, 0a, 09, 00, 47, 4b, 08, 09, 00, 44, 4f, 0a, 08, 00, 10, 05, 00, 11, 04, 06, 5a, 04, 06, 00, 07, 57, 01, 05, 03, 02]
+Raw bytes (128): 0x[01, 01, 02, 01, 05, 05, 02, 18, 01, 08, 01, 0f, 0d, 01, 16, 0e, 06, 0a, 01, 10, 05, 13, 0d, 01, 1a, 0e, 06, 0a, 01, 10, 05, 0c, 16, 01, 16, 05, 0d, 18, 01, 19, 09, 01, 1e, 01, 04, 09, 00, 29, 01, 01, 09, 00, 2d, 01, 01, 09, 00, 24, 01, 05, 09, 00, 24, 01, 02, 09, 00, 21, 01, 04, 09, 00, 21, 01, 04, 09, 00, 28, 01, 09, 09, 00, 32, 01, 04, 09, 00, 33, 01, 07, 09, 00, 4b, 01, 08, 09, 00, 48, 01, 0a, 09, 00, 47, 01, 08, 09, 00, 44, 01, 0a, 08, 00, 10, 05, 00, 11, 04, 06, 02, 04, 06, 00, 07, 07, 01, 05, 03, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 23
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(0), rhs = Zero
-- expression 2 operands: lhs = Counter(0), rhs = Zero
-- expression 3 operands: lhs = Counter(0), rhs = Zero
-- expression 4 operands: lhs = Counter(0), rhs = Zero
-- expression 5 operands: lhs = Counter(0), rhs = Zero
-- expression 6 operands: lhs = Counter(0), rhs = Zero
-- expression 7 operands: lhs = Counter(0), rhs = Zero
-- expression 8 operands: lhs = Counter(0), rhs = Zero
-- expression 9 operands: lhs = Counter(0), rhs = Zero
-- expression 10 operands: lhs = Counter(0), rhs = Zero
-- expression 11 operands: lhs = Counter(0), rhs = Zero
-- expression 12 operands: lhs = Counter(0), rhs = Zero
-- expression 13 operands: lhs = Counter(0), rhs = Zero
-- expression 14 operands: lhs = Counter(0), rhs = Zero
-- expression 15 operands: lhs = Counter(0), rhs = Zero
-- expression 16 operands: lhs = Counter(0), rhs = Zero
-- expression 17 operands: lhs = Counter(0), rhs = Zero
-- expression 18 operands: lhs = Counter(0), rhs = Zero
-- expression 19 operands: lhs = Counter(0), rhs = Zero
-- expression 20 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 21 operands: lhs = Counter(1), rhs = Expression(22, Sub)
-- expression 22 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 2
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 24
 - Code(Counter(0)) at (prev + 8, 1) to (start + 15, 13)
-- Code(Expression(0, Add)) at (prev + 22, 14) to (start + 6, 10)
-    = (c0 + Zero)
-- Code(Expression(1, Add)) at (prev + 16, 5) to (start + 19, 13)
-    = (c0 + Zero)
-- Code(Expression(2, Add)) at (prev + 26, 14) to (start + 6, 10)
-    = (c0 + Zero)
-- Code(Expression(3, Add)) at (prev + 16, 5) to (start + 12, 22)
-    = (c0 + Zero)
-- Code(Expression(4, Add)) at (prev + 22, 5) to (start + 13, 24)
-    = (c0 + Zero)
-- Code(Expression(5, Add)) at (prev + 25, 9) to (start + 1, 30)
-    = (c0 + Zero)
-- Code(Expression(6, Add)) at (prev + 4, 9) to (start + 0, 41)
-    = (c0 + Zero)
-- Code(Expression(7, Add)) at (prev + 1, 9) to (start + 0, 45)
-    = (c0 + Zero)
-- Code(Expression(8, Add)) at (prev + 1, 9) to (start + 0, 36)
-    = (c0 + Zero)
-- Code(Expression(9, Add)) at (prev + 5, 9) to (start + 0, 36)
-    = (c0 + Zero)
-- Code(Expression(10, Add)) at (prev + 2, 9) to (start + 0, 33)
-    = (c0 + Zero)
-- Code(Expression(11, Add)) at (prev + 4, 9) to (start + 0, 33)
-    = (c0 + Zero)
-- Code(Expression(12, Add)) at (prev + 4, 9) to (start + 0, 40)
-    = (c0 + Zero)
-- Code(Expression(13, Add)) at (prev + 9, 9) to (start + 0, 50)
-    = (c0 + Zero)
-- Code(Expression(14, Add)) at (prev + 4, 9) to (start + 0, 51)
-    = (c0 + Zero)
-- Code(Expression(15, Add)) at (prev + 7, 9) to (start + 0, 75)
-    = (c0 + Zero)
-- Code(Expression(16, Add)) at (prev + 8, 9) to (start + 0, 72)
-    = (c0 + Zero)
-- Code(Expression(17, Add)) at (prev + 10, 9) to (start + 0, 71)
-    = (c0 + Zero)
-- Code(Expression(18, Add)) at (prev + 8, 9) to (start + 0, 68)
-    = (c0 + Zero)
-- Code(Expression(19, Add)) at (prev + 10, 8) to (start + 0, 16)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 22, 14) to (start + 6, 10)
+- Code(Counter(0)) at (prev + 16, 5) to (start + 19, 13)
+- Code(Counter(0)) at (prev + 26, 14) to (start + 6, 10)
+- Code(Counter(0)) at (prev + 16, 5) to (start + 12, 22)
+- Code(Counter(0)) at (prev + 22, 5) to (start + 13, 24)
+- Code(Counter(0)) at (prev + 25, 9) to (start + 1, 30)
+- Code(Counter(0)) at (prev + 4, 9) to (start + 0, 41)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 45)
+- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 36)
+- Code(Counter(0)) at (prev + 5, 9) to (start + 0, 36)
+- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 33)
+- Code(Counter(0)) at (prev + 4, 9) to (start + 0, 33)
+- Code(Counter(0)) at (prev + 4, 9) to (start + 0, 40)
+- Code(Counter(0)) at (prev + 9, 9) to (start + 0, 50)
+- Code(Counter(0)) at (prev + 4, 9) to (start + 0, 51)
+- Code(Counter(0)) at (prev + 7, 9) to (start + 0, 75)
+- Code(Counter(0)) at (prev + 8, 9) to (start + 0, 72)
+- Code(Counter(0)) at (prev + 10, 9) to (start + 0, 71)
+- Code(Counter(0)) at (prev + 8, 9) to (start + 0, 68)
+- Code(Counter(0)) at (prev + 10, 8) to (start + 0, 16)
 - Code(Counter(1)) at (prev + 0, 17) to (start + 4, 6)
-- Code(Expression(22, Sub)) at (prev + 4, 6) to (start + 0, 7)
+- Code(Expression(0, Sub)) at (prev + 4, 6) to (start + 0, 7)
     = (c0 - c1)
-- Code(Expression(21, Add)) at (prev + 1, 5) to (start + 3, 2)
+- Code(Expression(1, Add)) at (prev + 1, 5) to (start + 3, 2)
     = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#0}
@@ -90,46 +49,45 @@ Number of file 0 mappings: 4
     = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#10} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 9a, 01, 07, 00, 21]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 9a, 01, 07, 00, 21]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 154, 7) to (start + 0, 33)
+- Code(Zero) at (prev + 154, 7) to (start + 0, 33)
 
 Function name: closure::main::{closure#11} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 9e, 01, 07, 00, 21]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 9e, 01, 07, 00, 21]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 158, 7) to (start + 0, 33)
+- Code(Zero) at (prev + 158, 7) to (start + 0, 33)
 
 Function name: closure::main::{closure#12} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, a6, 01, 01, 00, 17]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, a6, 01, 01, 00, 17]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 166, 1) to (start + 0, 23)
+- Code(Zero) at (prev + 166, 1) to (start + 0, 23)
 
 Function name: closure::main::{closure#13} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, ab, 01, 0d, 02, 0e]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, ab, 01, 0d, 02, 0e]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 171, 13) to (start + 2, 14)
+- Code(Zero) at (prev + 171, 13) to (start + 2, 14)
 
 Function name: closure::main::{closure#14}
-Raw bytes (38): 0x[01, 01, 04, 05, 0a, 01, 05, 01, 05, 03, 00, 05, 03, b2, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 0f, 01, 0d, 00, 0e]
+Raw bytes (36): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 05, 03, b2, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 01, 0d, 00, 0e]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Expression(0, Add), rhs = Zero
 Number of file 0 mappings: 5
 - Code(Expression(0, Add)) at (prev + 178, 13) to (start + 0, 21)
     = (c1 + (c0 - c1))
@@ -137,40 +95,36 @@ Number of file 0 mappings: 5
 - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37)
 - Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51)
     = (c0 - c1)
-- Code(Expression(3, Add)) at (prev + 1, 13) to (start + 0, 14)
-    = ((c1 + (c0 - c1)) + Zero)
+- Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 14)
+    = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#15}
-Raw bytes (45): 0x[01, 01, 05, 05, 0e, 01, 05, 01, 00, 01, 05, 03, 00, 06, 01, ba, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 0b, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0e, 00, 2f, 00, 33, 13, 02, 09, 00, 0a]
+Raw bytes (41): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 06, 01, ba, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 02, 09, 00, 0a]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
-- expression 0 operands: lhs = Counter(1), rhs = Expression(3, Sub)
+Number of expressions: 3
+- expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Zero
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(0, Add), rhs = Zero
+- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 186, 9) to (start + 0, 10)
 - Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 21)
     = (c1 + (c0 - c1))
-- Code(Expression(2, Add)) at (prev + 1, 17) to (start + 1, 27)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 1, 17) to (start + 1, 27)
 - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37)
-- Code(Expression(3, Sub)) at (prev + 0, 47) to (start + 0, 51)
+- Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51)
     = (c0 - c1)
-- Code(Expression(4, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = ((c1 + (c0 - c1)) + Zero)
+- Code(Expression(0, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#16}
-Raw bytes (38): 0x[01, 01, 04, 05, 0a, 01, 05, 01, 05, 03, 00, 05, 03, c4, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 0f, 01, 0d, 00, 0e]
+Raw bytes (36): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 05, 03, c4, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 01, 0d, 00, 0e]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 4
+Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 2 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 3 operands: lhs = Expression(0, Add), rhs = Zero
 Number of file 0 mappings: 5
 - Code(Expression(0, Add)) at (prev + 196, 13) to (start + 0, 21)
     = (c1 + (c0 - c1))
@@ -178,30 +132,27 @@ Number of file 0 mappings: 5
 - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37)
 - Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51)
     = (c0 - c1)
-- Code(Expression(3, Add)) at (prev + 1, 13) to (start + 0, 14)
-    = ((c1 + (c0 - c1)) + Zero)
+- Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 14)
+    = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#17}
-Raw bytes (45): 0x[01, 01, 05, 05, 0e, 01, 05, 01, 00, 01, 05, 03, 00, 06, 01, cc, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 0b, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0e, 00, 2f, 00, 33, 13, 02, 09, 00, 0a]
+Raw bytes (41): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 06, 01, cc, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 02, 09, 00, 0a]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
-- expression 0 operands: lhs = Counter(1), rhs = Expression(3, Sub)
+Number of expressions: 3
+- expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(0), rhs = Zero
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(0, Add), rhs = Zero
+- expression 2 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
 - Code(Counter(0)) at (prev + 204, 9) to (start + 0, 10)
 - Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 21)
     = (c1 + (c0 - c1))
-- Code(Expression(2, Add)) at (prev + 1, 17) to (start + 1, 27)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 1, 17) to (start + 1, 27)
 - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37)
-- Code(Expression(3, Sub)) at (prev + 0, 47) to (start + 0, 51)
+- Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51)
     = (c0 - c1)
-- Code(Expression(4, Add)) at (prev + 2, 9) to (start + 0, 10)
-    = ((c1 + (c0 - c1)) + Zero)
+- Code(Expression(0, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#18}
 Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 18, 0d, 02, 1c, 05, 02, 1d, 02, 12, 02, 02, 12, 00, 13, 07, 01, 11, 01, 0e]
@@ -264,23 +215,23 @@ Number of file 0 mappings: 4
     = (c1 + (c0 - c1))
 
 Function name: closure::main::{closure#3} (unused)
-Raw bytes (25): 0x[01, 01, 00, 04, 01, 80, 01, 05, 01, 14, 00, 01, 15, 02, 0a, 00, 02, 0a, 00, 0b, 00, 01, 09, 01, 06]
+Raw bytes (25): 0x[01, 01, 00, 04, 00, 80, 01, 05, 01, 14, 00, 01, 15, 02, 0a, 00, 02, 0a, 00, 0b, 00, 01, 09, 01, 06]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 128, 5) to (start + 1, 20)
+- Code(Zero) at (prev + 128, 5) to (start + 1, 20)
 - Code(Zero) at (prev + 1, 21) to (start + 2, 10)
 - Code(Zero) at (prev + 2, 10) to (start + 0, 11)
 - Code(Zero) at (prev + 1, 9) to (start + 1, 6)
 
 Function name: closure::main::{closure#4} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 88, 01, 35, 00, 43]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 88, 01, 35, 00, 43]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 136, 53) to (start + 0, 67)
+- Code(Zero) at (prev + 136, 53) to (start + 0, 67)
 
 Function name: closure::main::{closure#5}
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 8b, 01, 3d, 00, 4f]
@@ -299,26 +250,26 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 140, 65) to (start + 0, 87)
 
 Function name: closure::main::{closure#7} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 8d, 01, 3b, 00, 51]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 8d, 01, 3b, 00, 51]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 141, 59) to (start + 0, 81)
+- Code(Zero) at (prev + 141, 59) to (start + 0, 81)
 
 Function name: closure::main::{closure#8} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 92, 01, 3b, 00, 55]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 92, 01, 3b, 00, 55]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 146, 59) to (start + 0, 85)
+- Code(Zero) at (prev + 146, 59) to (start + 0, 85)
 
 Function name: closure::main::{closure#9} (unused)
-Raw bytes (10): 0x[01, 01, 00, 01, 01, 94, 01, 38, 02, 06]
+Raw bytes (10): 0x[01, 01, 00, 01, 00, 94, 01, 38, 02, 06]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 148, 56) to (start + 2, 6)
+- Code(Zero) at (prev + 148, 56) to (start + 2, 6)
 
diff --git a/tests/coverage-map/status-quo/closure_bug.cov-map b/tests/coverage-map/status-quo/closure_bug.cov-map
index 4fe2e5ad243..90eeb1a6686 100644
--- a/tests/coverage-map/status-quo/closure_bug.cov-map
+++ b/tests/coverage-map/status-quo/closure_bug.cov-map
@@ -1,89 +1,74 @@
 Function name: closure_bug::main
-Raw bytes (241): 0x[01, 01, 34, 01, 00, 01, 05, 05, ce, 01, 01, 05, cb, 01, 00, 05, ce, 01, 01, 05, cb, 01, 09, 05, ce, 01, 01, 05, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, c3, 01, 00, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, c3, 01, 0d, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, 0d, be, 01, c3, 01, 0d, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, bb, 01, 00, 0d, be, 01, c3, 01, 0d, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, bb, 01, 11, 0d, be, 01, c3, 01, 0d, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, 11, b6, 01, bb, 01, 11, 0d, be, 01, c3, 01, 0d, 09, c6, 01, cb, 01, 09, 05, ce, 01, 01, 05, 11, 01, 06, 01, 03, 0a, 03, 09, 05, 01, 0e, 05, 01, 0f, 00, 17, ce, 01, 00, 17, 00, 18, cb, 01, 02, 09, 00, 0a, 13, 06, 05, 01, 0e, 09, 01, 0f, 00, 17, c6, 01, 00, 17, 00, 18, c3, 01, 02, 09, 00, 0a, 3b, 06, 05, 01, 0e, 0d, 01, 0f, 00, 17, be, 01, 00, 17, 00, 18, bb, 01, 02, 09, 00, 0a, 7b, 06, 05, 01, 0e, 11, 01, 0f, 00, 17, b6, 01, 00, 17, 00, 18, b3, 01, 01, 01, 00, 02]
+Raw bytes (201): 0x[01, 01, 26, 01, 05, 05, 02, 05, 02, 97, 01, 09, 05, 02, 09, 92, 01, 97, 01, 09, 05, 02, 09, 92, 01, 97, 01, 09, 05, 02, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 87, 01, 11, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 11, 82, 01, 87, 01, 11, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 11, 01, 06, 01, 03, 0a, 01, 09, 05, 01, 0e, 05, 01, 0f, 00, 17, 02, 00, 17, 00, 18, 97, 01, 02, 09, 00, 0a, 97, 01, 06, 05, 01, 0e, 09, 01, 0f, 00, 17, 92, 01, 00, 17, 00, 18, 8f, 01, 02, 09, 00, 0a, 8f, 01, 06, 05, 01, 0e, 0d, 01, 0f, 00, 17, 8a, 01, 00, 17, 00, 18, 87, 01, 02, 09, 00, 0a, 87, 01, 06, 05, 01, 0e, 11, 01, 0f, 00, 17, 82, 01, 00, 17, 00, 18, 7f, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 52
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 2 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 3 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 4 operands: lhs = Expression(50, Add), rhs = Zero
-- expression 5 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 6 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 7 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 8 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 9 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 10 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 11 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 12 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 13 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 14 operands: lhs = Expression(48, Add), rhs = Zero
-- expression 15 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 16 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 17 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 18 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 19 operands: lhs = Expression(48, Add), rhs = Counter(3)
-- expression 20 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 21 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 22 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 23 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 24 operands: lhs = Counter(3), rhs = Expression(47, Sub)
-- expression 25 operands: lhs = Expression(48, Add), rhs = Counter(3)
-- expression 26 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 27 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 28 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 29 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 30 operands: lhs = Expression(46, Add), rhs = Zero
-- expression 31 operands: lhs = Counter(3), rhs = Expression(47, Sub)
-- expression 32 operands: lhs = Expression(48, Add), rhs = Counter(3)
-- expression 33 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 34 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 35 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 36 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 37 operands: lhs = Expression(46, Add), rhs = Counter(4)
-- expression 38 operands: lhs = Counter(3), rhs = Expression(47, Sub)
-- expression 39 operands: lhs = Expression(48, Add), rhs = Counter(3)
-- expression 40 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 41 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 42 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 43 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 44 operands: lhs = Counter(4), rhs = Expression(45, Sub)
-- expression 45 operands: lhs = Expression(46, Add), rhs = Counter(4)
-- expression 46 operands: lhs = Counter(3), rhs = Expression(47, Sub)
-- expression 47 operands: lhs = Expression(48, Add), rhs = Counter(3)
-- expression 48 operands: lhs = Counter(2), rhs = Expression(49, Sub)
-- expression 49 operands: lhs = Expression(50, Add), rhs = Counter(2)
-- expression 50 operands: lhs = Counter(1), rhs = Expression(51, Sub)
-- expression 51 operands: lhs = Counter(0), rhs = Counter(1)
+Number of expressions: 38
+- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 3 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 5 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 6 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 7 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 8 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 9 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 10 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 11 operands: lhs = Expression(35, Add), rhs = Counter(3)
+- expression 12 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 13 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 14 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 15 operands: lhs = Counter(3), rhs = Expression(34, Sub)
+- expression 16 operands: lhs = Expression(35, Add), rhs = Counter(3)
+- expression 17 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 18 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 19 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 20 operands: lhs = Counter(3), rhs = Expression(34, Sub)
+- expression 21 operands: lhs = Expression(35, Add), rhs = Counter(3)
+- expression 22 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 23 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 24 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 25 operands: lhs = Expression(33, Add), rhs = Counter(4)
+- expression 26 operands: lhs = Counter(3), rhs = Expression(34, Sub)
+- expression 27 operands: lhs = Expression(35, Add), rhs = Counter(3)
+- expression 28 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 29 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 30 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 31 operands: lhs = Counter(4), rhs = Expression(32, Sub)
+- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(4)
+- expression 33 operands: lhs = Counter(3), rhs = Expression(34, Sub)
+- expression 34 operands: lhs = Expression(35, Add), rhs = Counter(3)
+- expression 35 operands: lhs = Counter(2), rhs = Expression(36, Sub)
+- expression 36 operands: lhs = Expression(37, Add), rhs = Counter(2)
+- expression 37 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 17
 - Code(Counter(0)) at (prev + 6, 1) to (start + 3, 10)
-- Code(Expression(0, Add)) at (prev + 9, 5) to (start + 1, 14)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 9, 5) to (start + 1, 14)
 - Code(Counter(1)) at (prev + 1, 15) to (start + 0, 23)
-- Code(Expression(51, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(0, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = (c0 - c1)
-- Code(Expression(50, Add)) at (prev + 2, 9) to (start + 0, 10)
+- Code(Expression(37, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c1 + (c0 - c1))
+- Code(Expression(37, Add)) at (prev + 6, 5) to (start + 1, 14)
     = (c1 + (c0 - c1))
-- Code(Expression(4, Add)) at (prev + 6, 5) to (start + 1, 14)
-    = ((c1 + (c0 - c1)) + Zero)
 - Code(Counter(2)) at (prev + 1, 15) to (start + 0, 23)
-- Code(Expression(49, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(36, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = ((c1 + (c0 - c1)) - c2)
-- Code(Expression(48, Add)) at (prev + 2, 9) to (start + 0, 10)
+- Code(Expression(35, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c2 + ((c1 + (c0 - c1)) - c2))
+- Code(Expression(35, Add)) at (prev + 6, 5) to (start + 1, 14)
     = (c2 + ((c1 + (c0 - c1)) - c2))
-- Code(Expression(14, Add)) at (prev + 6, 5) to (start + 1, 14)
-    = ((c2 + ((c1 + (c0 - c1)) - c2)) + Zero)
 - Code(Counter(3)) at (prev + 1, 15) to (start + 0, 23)
-- Code(Expression(47, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(34, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)
-- Code(Expression(46, Add)) at (prev + 2, 9) to (start + 0, 10)
+- Code(Expression(33, Add)) at (prev + 2, 9) to (start + 0, 10)
+    = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3))
+- Code(Expression(33, Add)) at (prev + 6, 5) to (start + 1, 14)
     = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3))
-- Code(Expression(30, Add)) at (prev + 6, 5) to (start + 1, 14)
-    = ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) + Zero)
 - Code(Counter(4)) at (prev + 1, 15) to (start + 0, 23)
-- Code(Expression(45, Sub)) at (prev + 0, 23) to (start + 0, 24)
+- Code(Expression(32, Sub)) at (prev + 0, 23) to (start + 0, 24)
     = ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)
-- Code(Expression(44, Add)) at (prev + 1, 1) to (start + 0, 2)
+- Code(Expression(31, Add)) at (prev + 1, 1) to (start + 0, 2)
     = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4))
 
 Function name: closure_bug::main::{closure#0}
diff --git a/tests/coverage-map/status-quo/closure_macro.cov-map b/tests/coverage-map/status-quo/closure_macro.cov-map
index ac017eb4468..b02c7e2e4c6 100644
--- a/tests/coverage-map/status-quo/closure_macro.cov-map
+++ b/tests/coverage-map/status-quo/closure_macro.cov-map
@@ -7,27 +7,23 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 29, 1) to (start + 2, 2)
 
 Function name: closure_macro::main
-Raw bytes (49): 0x[01, 01, 05, 01, 05, 02, 00, 05, 00, 02, 00, 05, 02, 07, 01, 21, 01, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 12, 00, 13, 07, 00, 12, 00, 13, 0b, 00, 54, 00, 55, 0f, 02, 09, 02, 0b, 13, 03, 01, 00, 02]
+Raw bytes (43): 0x[01, 01, 02, 01, 05, 05, 02, 07, 01, 21, 01, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 12, 00, 13, 02, 00, 12, 00, 13, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 07, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 2 operands: lhs = Counter(1), rhs = Zero
-- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 7
 - Code(Counter(0)) at (prev + 33, 1) to (start + 1, 33)
 - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15)
     = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- Code(Expression(1, Add)) at (prev + 0, 18) to (start + 0, 19)
-    = ((c0 - c1) + Zero)
-- Code(Expression(2, Add)) at (prev + 0, 84) to (start + 0, 85)
-    = (c1 + Zero)
-- Code(Expression(3, Add)) at (prev + 2, 9) to (start + 2, 11)
-    = ((c0 - c1) + Zero)
-- Code(Expression(4, Add)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
+    = (c0 - c1)
+- Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85)
+- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11)
+    = (c0 - c1)
+- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2)
     = (c1 + (c0 - c1))
 
 Function name: closure_macro::main::{closure#0}
diff --git a/tests/coverage-map/status-quo/closure_macro_async.cov-map b/tests/coverage-map/status-quo/closure_macro_async.cov-map
index c9a142e5aeb..7f8666948d9 100644
--- a/tests/coverage-map/status-quo/closure_macro_async.cov-map
+++ b/tests/coverage-map/status-quo/closure_macro_async.cov-map
@@ -15,27 +15,23 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 1) to (start + 0, 43)
 
 Function name: closure_macro_async::test::{closure#0}
-Raw bytes (49): 0x[01, 01, 05, 01, 05, 02, 00, 05, 00, 02, 00, 05, 02, 07, 01, 21, 2b, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 12, 00, 13, 07, 00, 12, 00, 13, 0b, 00, 54, 00, 55, 0f, 02, 09, 02, 0b, 13, 03, 01, 00, 02]
+Raw bytes (43): 0x[01, 01, 02, 01, 05, 05, 02, 07, 01, 21, 2b, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 12, 00, 13, 02, 00, 12, 00, 13, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 07, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 2 operands: lhs = Counter(1), rhs = Zero
-- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero
-- expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 7
 - Code(Counter(0)) at (prev + 33, 43) to (start + 1, 33)
 - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15)
     = (c0 - c1)
 - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19)
-- Code(Expression(1, Add)) at (prev + 0, 18) to (start + 0, 19)
-    = ((c0 - c1) + Zero)
-- Code(Expression(2, Add)) at (prev + 0, 84) to (start + 0, 85)
-    = (c1 + Zero)
-- Code(Expression(3, Add)) at (prev + 2, 9) to (start + 2, 11)
-    = ((c0 - c1) + Zero)
-- Code(Expression(4, Add)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19)
+    = (c0 - c1)
+- Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85)
+- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11)
+    = (c0 - c1)
+- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2)
     = (c1 + (c0 - c1))
 
 Function name: closure_macro_async::test::{closure#0}::{closure#0}
diff --git a/tests/coverage-map/status-quo/conditions.cov-map b/tests/coverage-map/status-quo/conditions.cov-map
index d82b8389b4d..7600d2d96bd 100644
--- a/tests/coverage-map/status-quo/conditions.cov-map
+++ b/tests/coverage-map/status-quo/conditions.cov-map
@@ -1,14 +1,14 @@
 Function name: conditions::main
-Raw bytes (793): 0x[01, 01, 90, 01, 09, 33, 37, 41, 3b, 3d, 35, 39, 05, 00, bf, 04, 09, 05, 00, 0d, 35, 26, 39, 0d, 35, 3b, 3d, 35, 39, 37, 41, 3b, 3d, 35, 39, ba, 04, 0d, bf, 04, 09, 05, 00, 03, 00, 45, 00, 87, 01, 49, 45, 00, 82, 01, 31, 87, 01, 49, 45, 00, 7e, 4d, 82, 01, 31, 87, 01, 49, 45, 00, 7a, 51, 7e, 4d, 82, 01, 31, 87, 01, 49, 45, 00, ab, 01, 55, 4d, 51, a7, 01, 59, ab, 01, 55, 4d, 51, 49, a3, 01, a7, 01, 59, ab, 01, 55, 4d, 51, 61, 00, e7, 01, 65, 61, 00, e2, 01, 2d, e7, 01, 65, 61, 00, de, 01, 69, e2, 01, 2d, e7, 01, 65, 61, 00, da, 01, 6d, de, 01, 69, e2, 01, 2d, e7, 01, 65, 61, 00, 8f, 02, 71, 69, 6d, 8b, 02, 75, 8f, 02, 71, 69, 6d, 83, 02, 00, 65, 87, 02, 8b, 02, 75, 8f, 02, 71, 69, 6d, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, 79, 00, db, 02, 7d, 79, 00, d6, 02, 29, db, 02, 7d, 79, 00, d2, 02, 81, 01, d6, 02, 29, db, 02, 7d, 79, 00, ce, 02, 85, 01, d2, 02, 81, 01, d6, 02, 29, db, 02, 7d, 79, 00, fb, 03, 89, 01, 81, 01, 85, 01, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, 11, 9b, 04, 9f, 04, 21, a3, 04, 1d, 15, 19, ef, 03, 00, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, ef, 03, 11, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, ea, 03, 25, ef, 03, 11, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, e6, 03, 15, ea, 03, 25, ef, 03, 11, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, e2, 03, 19, e6, 03, 15, ea, 03, 25, ef, 03, 11, 7d, f3, 03, f7, 03, 8d, 01, fb, 03, 89, 01, 81, 01, 85, 01, a3, 04, 1d, 15, 19, 9f, 04, 21, a3, 04, 1d, 15, 19, 97, 04, a7, 04, 11, 9b, 04, 9f, 04, 21, a3, 04, 1d, 15, 19, ab, 04, b6, 04, af, 04, b3, 04, 25, 29, 2d, 31, ba, 04, 0d, bf, 04, 09, 05, 00, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 06, 00, 07, 03, 03, 09, 00, 0a, bf, 04, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, ba, 04, 02, 0f, 00, 1c, 0d, 01, 0c, 00, 19, 26, 00, 1d, 00, 2a, 22, 00, 2e, 00, 3c, 37, 00, 3d, 02, 0a, 41, 02, 0a, 00, 0b, 33, 01, 09, 01, 12, b6, 04, 03, 09, 00, 0f, 4b, 03, 09, 01, 0c, 45, 01, 0d, 02, 06, 00, 02, 06, 00, 07, 87, 01, 02, 08, 00, 15, 49, 00, 16, 02, 06, 82, 01, 02, 0f, 00, 1c, 7e, 01, 0c, 00, 19, 7a, 00, 1d, 00, 2a, 76, 00, 2e, 00, 3c, a7, 01, 00, 3d, 02, 0a, 59, 02, 0a, 00, 0b, a3, 01, 01, 09, 00, 17, 31, 02, 09, 00, 0f, 9f, 01, 03, 08, 00, 0c, 5d, 01, 0d, 01, 10, 61, 01, 11, 02, 0a, 00, 02, 0a, 00, 0b, e7, 01, 02, 0c, 00, 19, 65, 00, 1a, 02, 0a, e2, 01, 03, 11, 00, 1e, de, 01, 01, 10, 00, 1d, da, 01, 00, 21, 00, 2e, d6, 01, 00, 32, 00, 40, 8b, 02, 00, 41, 02, 0e, 75, 02, 0e, 00, 0f, 87, 02, 01, 0d, 00, 1b, 2d, 02, 0d, 00, 13, 00, 02, 06, 00, 07, ff, 01, 02, 09, 01, 0c, 79, 01, 0d, 02, 06, 00, 02, 06, 00, 07, ef, 03, 02, 09, 00, 0a, db, 02, 00, 10, 00, 1d, 7d, 00, 1e, 02, 06, d6, 02, 02, 0f, 00, 1c, d2, 02, 01, 0c, 00, 19, ce, 02, 00, 1d, 00, 2a, ca, 02, 00, 2e, 00, 3c, f7, 03, 00, 3d, 02, 0a, 8d, 01, 02, 0a, 00, 0b, f3, 03, 01, 09, 00, 17, 29, 02, 0d, 02, 0f, 97, 04, 05, 09, 00, 0a, 83, 03, 00, 10, 00, 1d, 11, 00, 1e, 02, 06, ea, 03, 02, 0f, 00, 1c, e6, 03, 01, 0c, 00, 19, e2, 03, 00, 1d, 00, 2a, de, 03, 00, 2e, 00, 3c, 9f, 04, 00, 3d, 02, 0a, 21, 02, 0a, 00, 0b, 9b, 04, 01, 09, 00, 17, 25, 02, 09, 00, 0f, 93, 04, 02, 01, 00, 02]
+Raw bytes (784): 0x[01, 01, 8e, 01, 09, 33, 37, 41, 3b, 3d, 35, 39, 05, 00, b7, 04, 09, 05, 00, 0d, 35, 26, 39, 0d, 35, 3b, 3d, 35, 39, 37, 41, 3b, 3d, 35, 39, b2, 04, 0d, b7, 04, 09, 05, 00, 45, 00, 83, 01, 49, 45, 00, 7e, 31, 83, 01, 49, 45, 00, 7a, 4d, 7e, 31, 83, 01, 49, 45, 00, 76, 51, 7a, 4d, 7e, 31, 83, 01, 49, 45, 00, a7, 01, 55, 4d, 51, a3, 01, 59, a7, 01, 55, 4d, 51, 49, 9f, 01, a3, 01, 59, a7, 01, 55, 4d, 51, 61, 00, e3, 01, 65, 61, 00, de, 01, 2d, e3, 01, 65, 61, 00, da, 01, 69, de, 01, 2d, e3, 01, 65, 61, 00, d6, 01, 6d, da, 01, 69, de, 01, 2d, e3, 01, 65, 61, 00, 8b, 02, 71, 69, 6d, 87, 02, 75, 8b, 02, 71, 69, 6d, ff, 01, 00, 65, 83, 02, 87, 02, 75, 8b, 02, 71, 69, 6d, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 79, 00, d7, 02, 7d, 79, 00, d2, 02, 29, d7, 02, 7d, 79, 00, ce, 02, 81, 01, d2, 02, 29, d7, 02, 7d, 79, 00, ca, 02, 85, 01, ce, 02, 81, 01, d2, 02, 29, d7, 02, 7d, 79, 00, f3, 03, 89, 01, 81, 01, 85, 01, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 11, 93, 04, 97, 04, 21, 9b, 04, 1d, 15, 19, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, de, 03, 15, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, da, 03, 19, de, 03, 15, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 9b, 04, 1d, 15, 19, 97, 04, 21, 9b, 04, 1d, 15, 19, 8f, 04, 9f, 04, 11, 93, 04, 97, 04, 21, 9b, 04, 1d, 15, 19, a3, 04, ae, 04, a7, 04, ab, 04, 25, 29, 2d, 31, b2, 04, 0d, b7, 04, 09, 05, 00, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 06, 00, 07, 03, 03, 09, 00, 0a, b7, 04, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, b2, 04, 02, 0f, 00, 1c, 0d, 01, 0c, 00, 19, 26, 00, 1d, 00, 2a, 22, 00, 2e, 00, 3c, 37, 00, 3d, 02, 0a, 41, 02, 0a, 00, 0b, 33, 01, 09, 01, 12, ae, 04, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 45, 01, 0d, 02, 06, 00, 02, 06, 00, 07, 83, 01, 02, 08, 00, 15, 49, 00, 16, 02, 06, 7e, 02, 0f, 00, 1c, 7a, 01, 0c, 00, 19, 76, 00, 1d, 00, 2a, 72, 00, 2e, 00, 3c, a3, 01, 00, 3d, 02, 0a, 59, 02, 0a, 00, 0b, 9f, 01, 01, 09, 00, 17, 31, 02, 09, 00, 0f, 9b, 01, 03, 08, 00, 0c, 5d, 01, 0d, 01, 10, 61, 01, 11, 02, 0a, 00, 02, 0a, 00, 0b, e3, 01, 02, 0c, 00, 19, 65, 00, 1a, 02, 0a, de, 01, 03, 11, 00, 1e, da, 01, 01, 10, 00, 1d, d6, 01, 00, 21, 00, 2e, d2, 01, 00, 32, 00, 40, 87, 02, 00, 41, 02, 0e, 75, 02, 0e, 00, 0f, 83, 02, 01, 0d, 00, 1b, 2d, 02, 0d, 00, 13, 00, 02, 06, 00, 07, fb, 01, 02, 09, 01, 0c, 79, 01, 0d, 02, 06, 00, 02, 06, 00, 07, e7, 03, 02, 09, 00, 0a, d7, 02, 00, 10, 00, 1d, 7d, 00, 1e, 02, 06, d2, 02, 02, 0f, 00, 1c, ce, 02, 01, 0c, 00, 19, ca, 02, 00, 1d, 00, 2a, c6, 02, 00, 2e, 00, 3c, ef, 03, 00, 3d, 02, 0a, 8d, 01, 02, 0a, 00, 0b, eb, 03, 01, 09, 00, 17, 29, 02, 0d, 02, 0f, 8f, 04, 05, 09, 00, 0a, e7, 03, 00, 10, 00, 1d, 11, 00, 1e, 02, 06, e2, 03, 02, 0f, 00, 1c, de, 03, 01, 0c, 00, 19, da, 03, 00, 1d, 00, 2a, d6, 03, 00, 2e, 00, 3c, 97, 04, 00, 3d, 02, 0a, 21, 02, 0a, 00, 0b, 93, 04, 01, 09, 00, 17, 25, 02, 09, 00, 0f, 8b, 04, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 144
+Number of expressions: 142
 - expression 0 operands: lhs = Counter(2), rhs = Expression(12, Add)
 - expression 1 operands: lhs = Expression(13, Add), rhs = Counter(16)
 - expression 2 operands: lhs = Expression(14, Add), rhs = Counter(15)
 - expression 3 operands: lhs = Counter(13), rhs = Counter(14)
 - expression 4 operands: lhs = Counter(1), rhs = Zero
-- expression 5 operands: lhs = Expression(143, Add), rhs = Counter(2)
+- expression 5 operands: lhs = Expression(141, Add), rhs = Counter(2)
 - expression 6 operands: lhs = Counter(1), rhs = Zero
 - expression 7 operands: lhs = Counter(3), rhs = Counter(13)
 - expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(14)
@@ -18,145 +18,143 @@ Number of expressions: 144
 - expression 12 operands: lhs = Expression(13, Add), rhs = Counter(16)
 - expression 13 operands: lhs = Expression(14, Add), rhs = Counter(15)
 - expression 14 operands: lhs = Counter(13), rhs = Counter(14)
-- expression 15 operands: lhs = Expression(142, Sub), rhs = Counter(3)
-- expression 16 operands: lhs = Expression(143, Add), rhs = Counter(2)
+- expression 15 operands: lhs = Expression(140, Sub), rhs = Counter(3)
+- expression 16 operands: lhs = Expression(141, Add), rhs = Counter(2)
 - expression 17 operands: lhs = Counter(1), rhs = Zero
-- expression 18 operands: lhs = Expression(0, Add), rhs = Zero
-- expression 19 operands: lhs = Counter(17), rhs = Zero
-- expression 20 operands: lhs = Expression(33, Add), rhs = Counter(18)
-- expression 21 operands: lhs = Counter(17), rhs = Zero
-- expression 22 operands: lhs = Expression(32, Sub), rhs = Counter(12)
-- expression 23 operands: lhs = Expression(33, Add), rhs = Counter(18)
-- expression 24 operands: lhs = Counter(17), rhs = Zero
-- expression 25 operands: lhs = Expression(31, Sub), rhs = Counter(19)
-- expression 26 operands: lhs = Expression(32, Sub), rhs = Counter(12)
-- expression 27 operands: lhs = Expression(33, Add), rhs = Counter(18)
-- expression 28 operands: lhs = Counter(17), rhs = Zero
-- expression 29 operands: lhs = Expression(30, Sub), rhs = Counter(20)
-- expression 30 operands: lhs = Expression(31, Sub), rhs = Counter(19)
-- expression 31 operands: lhs = Expression(32, Sub), rhs = Counter(12)
-- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(18)
-- expression 33 operands: lhs = Counter(17), rhs = Zero
-- expression 34 operands: lhs = Expression(42, Add), rhs = Counter(21)
-- expression 35 operands: lhs = Counter(19), rhs = Counter(20)
-- expression 36 operands: lhs = Expression(41, Add), rhs = Counter(22)
-- expression 37 operands: lhs = Expression(42, Add), rhs = Counter(21)
-- expression 38 operands: lhs = Counter(19), rhs = Counter(20)
-- expression 39 operands: lhs = Counter(18), rhs = Expression(40, Add)
-- expression 40 operands: lhs = Expression(41, Add), rhs = Counter(22)
-- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(21)
-- expression 42 operands: lhs = Counter(19), rhs = Counter(20)
-- expression 43 operands: lhs = Counter(24), rhs = Zero
-- expression 44 operands: lhs = Expression(57, Add), rhs = Counter(25)
-- expression 45 operands: lhs = Counter(24), rhs = Zero
-- expression 46 operands: lhs = Expression(56, Sub), rhs = Counter(11)
-- expression 47 operands: lhs = Expression(57, Add), rhs = Counter(25)
-- expression 48 operands: lhs = Counter(24), rhs = Zero
-- expression 49 operands: lhs = Expression(55, Sub), rhs = Counter(26)
-- expression 50 operands: lhs = Expression(56, Sub), rhs = Counter(11)
-- expression 51 operands: lhs = Expression(57, Add), rhs = Counter(25)
-- expression 52 operands: lhs = Counter(24), rhs = Zero
-- expression 53 operands: lhs = Expression(54, Sub), rhs = Counter(27)
-- expression 54 operands: lhs = Expression(55, Sub), rhs = Counter(26)
-- expression 55 operands: lhs = Expression(56, Sub), rhs = Counter(11)
-- expression 56 operands: lhs = Expression(57, Add), rhs = Counter(25)
-- expression 57 operands: lhs = Counter(24), rhs = Zero
-- expression 58 operands: lhs = Expression(67, Add), rhs = Counter(28)
-- expression 59 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 60 operands: lhs = Expression(66, Add), rhs = Counter(29)
-- expression 61 operands: lhs = Expression(67, Add), rhs = Counter(28)
-- expression 62 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 63 operands: lhs = Expression(64, Add), rhs = Zero
-- expression 64 operands: lhs = Counter(25), rhs = Expression(65, Add)
-- expression 65 operands: lhs = Expression(66, Add), rhs = Counter(29)
-- expression 66 operands: lhs = Expression(67, Add), rhs = Counter(28)
-- expression 67 operands: lhs = Counter(26), rhs = Counter(27)
-- expression 68 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 69 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 70 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 71 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 72 operands: lhs = Counter(30), rhs = Zero
-- expression 73 operands: lhs = Expression(86, Add), rhs = Counter(31)
-- expression 74 operands: lhs = Counter(30), rhs = Zero
-- expression 75 operands: lhs = Expression(85, Sub), rhs = Counter(10)
-- expression 76 operands: lhs = Expression(86, Add), rhs = Counter(31)
-- expression 77 operands: lhs = Counter(30), rhs = Zero
-- expression 78 operands: lhs = Expression(84, Sub), rhs = Counter(32)
-- expression 79 operands: lhs = Expression(85, Sub), rhs = Counter(10)
-- expression 80 operands: lhs = Expression(86, Add), rhs = Counter(31)
-- expression 81 operands: lhs = Counter(30), rhs = Zero
-- expression 82 operands: lhs = Expression(83, Sub), rhs = Counter(33)
-- expression 83 operands: lhs = Expression(84, Sub), rhs = Counter(32)
-- expression 84 operands: lhs = Expression(85, Sub), rhs = Counter(10)
-- expression 85 operands: lhs = Expression(86, Add), rhs = Counter(31)
-- expression 86 operands: lhs = Counter(30), rhs = Zero
-- expression 87 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 88 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 89 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 90 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 91 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 92 operands: lhs = Counter(4), rhs = Expression(134, Add)
-- expression 93 operands: lhs = Expression(135, Add), rhs = Counter(8)
-- expression 94 operands: lhs = Expression(136, Add), rhs = Counter(7)
-- expression 95 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 96 operands: lhs = Expression(123, Add), rhs = Zero
-- expression 97 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 98 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 99 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 100 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 101 operands: lhs = Expression(123, Add), rhs = Counter(4)
-- expression 102 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 103 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 104 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 105 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 106 operands: lhs = Expression(122, Sub), rhs = Counter(9)
-- expression 107 operands: lhs = Expression(123, Add), rhs = Counter(4)
-- expression 108 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 109 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 110 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 111 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 112 operands: lhs = Expression(121, Sub), rhs = Counter(5)
-- expression 113 operands: lhs = Expression(122, Sub), rhs = Counter(9)
-- expression 114 operands: lhs = Expression(123, Add), rhs = Counter(4)
-- expression 115 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 116 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 117 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 118 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 119 operands: lhs = Expression(120, Sub), rhs = Counter(6)
-- expression 120 operands: lhs = Expression(121, Sub), rhs = Counter(5)
-- expression 121 operands: lhs = Expression(122, Sub), rhs = Counter(9)
-- expression 122 operands: lhs = Expression(123, Add), rhs = Counter(4)
-- expression 123 operands: lhs = Counter(31), rhs = Expression(124, Add)
-- expression 124 operands: lhs = Expression(125, Add), rhs = Counter(35)
-- expression 125 operands: lhs = Expression(126, Add), rhs = Counter(34)
-- expression 126 operands: lhs = Counter(32), rhs = Counter(33)
-- expression 127 operands: lhs = Expression(136, Add), rhs = Counter(7)
-- expression 128 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 129 operands: lhs = Expression(135, Add), rhs = Counter(8)
-- expression 130 operands: lhs = Expression(136, Add), rhs = Counter(7)
-- expression 131 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 132 operands: lhs = Expression(133, Add), rhs = Expression(137, Add)
-- expression 133 operands: lhs = Counter(4), rhs = Expression(134, Add)
-- expression 134 operands: lhs = Expression(135, Add), rhs = Counter(8)
-- expression 135 operands: lhs = Expression(136, Add), rhs = Counter(7)
-- expression 136 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 137 operands: lhs = Expression(138, Add), rhs = Expression(141, Sub)
-- expression 138 operands: lhs = Expression(139, Add), rhs = Expression(140, Add)
-- expression 139 operands: lhs = Counter(9), rhs = Counter(10)
-- expression 140 operands: lhs = Counter(11), rhs = Counter(12)
-- expression 141 operands: lhs = Expression(142, Sub), rhs = Counter(3)
-- expression 142 operands: lhs = Expression(143, Add), rhs = Counter(2)
-- expression 143 operands: lhs = Counter(1), rhs = Zero
+- expression 18 operands: lhs = Counter(17), rhs = Zero
+- expression 19 operands: lhs = Expression(32, Add), rhs = Counter(18)
+- expression 20 operands: lhs = Counter(17), rhs = Zero
+- expression 21 operands: lhs = Expression(31, Sub), rhs = Counter(12)
+- expression 22 operands: lhs = Expression(32, Add), rhs = Counter(18)
+- expression 23 operands: lhs = Counter(17), rhs = Zero
+- expression 24 operands: lhs = Expression(30, Sub), rhs = Counter(19)
+- expression 25 operands: lhs = Expression(31, Sub), rhs = Counter(12)
+- expression 26 operands: lhs = Expression(32, Add), rhs = Counter(18)
+- expression 27 operands: lhs = Counter(17), rhs = Zero
+- expression 28 operands: lhs = Expression(29, Sub), rhs = Counter(20)
+- expression 29 operands: lhs = Expression(30, Sub), rhs = Counter(19)
+- expression 30 operands: lhs = Expression(31, Sub), rhs = Counter(12)
+- expression 31 operands: lhs = Expression(32, Add), rhs = Counter(18)
+- expression 32 operands: lhs = Counter(17), rhs = Zero
+- expression 33 operands: lhs = Expression(41, Add), rhs = Counter(21)
+- expression 34 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 35 operands: lhs = Expression(40, Add), rhs = Counter(22)
+- expression 36 operands: lhs = Expression(41, Add), rhs = Counter(21)
+- expression 37 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 38 operands: lhs = Counter(18), rhs = Expression(39, Add)
+- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(22)
+- expression 40 operands: lhs = Expression(41, Add), rhs = Counter(21)
+- expression 41 operands: lhs = Counter(19), rhs = Counter(20)
+- expression 42 operands: lhs = Counter(24), rhs = Zero
+- expression 43 operands: lhs = Expression(56, Add), rhs = Counter(25)
+- expression 44 operands: lhs = Counter(24), rhs = Zero
+- expression 45 operands: lhs = Expression(55, Sub), rhs = Counter(11)
+- expression 46 operands: lhs = Expression(56, Add), rhs = Counter(25)
+- expression 47 operands: lhs = Counter(24), rhs = Zero
+- expression 48 operands: lhs = Expression(54, Sub), rhs = Counter(26)
+- expression 49 operands: lhs = Expression(55, Sub), rhs = Counter(11)
+- expression 50 operands: lhs = Expression(56, Add), rhs = Counter(25)
+- expression 51 operands: lhs = Counter(24), rhs = Zero
+- expression 52 operands: lhs = Expression(53, Sub), rhs = Counter(27)
+- expression 53 operands: lhs = Expression(54, Sub), rhs = Counter(26)
+- expression 54 operands: lhs = Expression(55, Sub), rhs = Counter(11)
+- expression 55 operands: lhs = Expression(56, Add), rhs = Counter(25)
+- expression 56 operands: lhs = Counter(24), rhs = Zero
+- expression 57 operands: lhs = Expression(66, Add), rhs = Counter(28)
+- expression 58 operands: lhs = Counter(26), rhs = Counter(27)
+- expression 59 operands: lhs = Expression(65, Add), rhs = Counter(29)
+- expression 60 operands: lhs = Expression(66, Add), rhs = Counter(28)
+- expression 61 operands: lhs = Counter(26), rhs = Counter(27)
+- expression 62 operands: lhs = Expression(63, Add), rhs = Zero
+- expression 63 operands: lhs = Counter(25), rhs = Expression(64, Add)
+- expression 64 operands: lhs = Expression(65, Add), rhs = Counter(29)
+- expression 65 operands: lhs = Expression(66, Add), rhs = Counter(28)
+- expression 66 operands: lhs = Counter(26), rhs = Counter(27)
+- expression 67 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 68 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 69 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 70 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 71 operands: lhs = Counter(30), rhs = Zero
+- expression 72 operands: lhs = Expression(85, Add), rhs = Counter(31)
+- expression 73 operands: lhs = Counter(30), rhs = Zero
+- expression 74 operands: lhs = Expression(84, Sub), rhs = Counter(10)
+- expression 75 operands: lhs = Expression(85, Add), rhs = Counter(31)
+- expression 76 operands: lhs = Counter(30), rhs = Zero
+- expression 77 operands: lhs = Expression(83, Sub), rhs = Counter(32)
+- expression 78 operands: lhs = Expression(84, Sub), rhs = Counter(10)
+- expression 79 operands: lhs = Expression(85, Add), rhs = Counter(31)
+- expression 80 operands: lhs = Counter(30), rhs = Zero
+- expression 81 operands: lhs = Expression(82, Sub), rhs = Counter(33)
+- expression 82 operands: lhs = Expression(83, Sub), rhs = Counter(32)
+- expression 83 operands: lhs = Expression(84, Sub), rhs = Counter(10)
+- expression 84 operands: lhs = Expression(85, Add), rhs = Counter(31)
+- expression 85 operands: lhs = Counter(30), rhs = Zero
+- expression 86 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 87 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 88 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 89 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 90 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 91 operands: lhs = Counter(4), rhs = Expression(132, Add)
+- expression 92 operands: lhs = Expression(133, Add), rhs = Counter(8)
+- expression 93 operands: lhs = Expression(134, Add), rhs = Counter(7)
+- expression 94 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 95 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 96 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 97 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 98 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 99 operands: lhs = Expression(121, Add), rhs = Counter(4)
+- expression 100 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 101 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 102 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 103 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 104 operands: lhs = Expression(120, Sub), rhs = Counter(9)
+- expression 105 operands: lhs = Expression(121, Add), rhs = Counter(4)
+- expression 106 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 107 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 108 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 109 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 110 operands: lhs = Expression(119, Sub), rhs = Counter(5)
+- expression 111 operands: lhs = Expression(120, Sub), rhs = Counter(9)
+- expression 112 operands: lhs = Expression(121, Add), rhs = Counter(4)
+- expression 113 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 114 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 115 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 116 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 117 operands: lhs = Expression(118, Sub), rhs = Counter(6)
+- expression 118 operands: lhs = Expression(119, Sub), rhs = Counter(5)
+- expression 119 operands: lhs = Expression(120, Sub), rhs = Counter(9)
+- expression 120 operands: lhs = Expression(121, Add), rhs = Counter(4)
+- expression 121 operands: lhs = Counter(31), rhs = Expression(122, Add)
+- expression 122 operands: lhs = Expression(123, Add), rhs = Counter(35)
+- expression 123 operands: lhs = Expression(124, Add), rhs = Counter(34)
+- expression 124 operands: lhs = Counter(32), rhs = Counter(33)
+- expression 125 operands: lhs = Expression(134, Add), rhs = Counter(7)
+- expression 126 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 127 operands: lhs = Expression(133, Add), rhs = Counter(8)
+- expression 128 operands: lhs = Expression(134, Add), rhs = Counter(7)
+- expression 129 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 130 operands: lhs = Expression(131, Add), rhs = Expression(135, Add)
+- expression 131 operands: lhs = Counter(4), rhs = Expression(132, Add)
+- expression 132 operands: lhs = Expression(133, Add), rhs = Counter(8)
+- expression 133 operands: lhs = Expression(134, Add), rhs = Counter(7)
+- expression 134 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 135 operands: lhs = Expression(136, Add), rhs = Expression(139, Sub)
+- expression 136 operands: lhs = Expression(137, Add), rhs = Expression(138, Add)
+- expression 137 operands: lhs = Counter(9), rhs = Counter(10)
+- expression 138 operands: lhs = Counter(11), rhs = Counter(12)
+- expression 139 operands: lhs = Expression(140, Sub), rhs = Counter(3)
+- expression 140 operands: lhs = Expression(141, Add), rhs = Counter(2)
+- expression 141 operands: lhs = Counter(1), rhs = Zero
 Number of file 0 mappings: 68
 - Code(Counter(0)) at (prev + 3, 1) to (start + 2, 12)
 - Code(Counter(1)) at (prev + 2, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Expression(0, Add)) at (prev + 3, 9) to (start + 0, 10)
     = (c2 + (((c13 + c14) + c15) + c16))
-- Code(Expression(143, Add)) at (prev + 0, 16) to (start + 0, 29)
+- Code(Expression(141, Add)) at (prev + 0, 16) to (start + 0, 29)
     = (c1 + Zero)
 - Code(Counter(2)) at (prev + 1, 9) to (start + 1, 10)
-- Code(Expression(142, Sub)) at (prev + 2, 15) to (start + 0, 28)
+- Code(Expression(140, Sub)) at (prev + 2, 15) to (start + 0, 28)
     = ((c1 + Zero) - c2)
 - Code(Counter(3)) at (prev + 1, 12) to (start + 0, 25)
 - Code(Expression(9, Sub)) at (prev + 0, 29) to (start + 0, 42)
@@ -168,94 +166,94 @@ Number of file 0 mappings: 68
 - Code(Counter(16)) at (prev + 2, 10) to (start + 0, 11)
 - Code(Expression(12, Add)) at (prev + 1, 9) to (start + 1, 18)
     = (((c13 + c14) + c15) + c16)
-- Code(Expression(141, Sub)) at (prev + 3, 9) to (start + 0, 15)
+- Code(Expression(139, Sub)) at (prev + 3, 9) to (start + 0, 15)
     = (((c1 + Zero) - c2) - c3)
-- Code(Expression(18, Add)) at (prev + 3, 9) to (start + 1, 12)
-    = ((c2 + (((c13 + c14) + c15) + c16)) + Zero)
+- Code(Expression(0, Add)) at (prev + 3, 9) to (start + 1, 12)
+    = (c2 + (((c13 + c14) + c15) + c16))
 - Code(Counter(17)) at (prev + 1, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
-- Code(Expression(33, Add)) at (prev + 2, 8) to (start + 0, 21)
+- Code(Expression(32, Add)) at (prev + 2, 8) to (start + 0, 21)
     = (c17 + Zero)
 - Code(Counter(18)) at (prev + 0, 22) to (start + 2, 6)
-- Code(Expression(32, Sub)) at (prev + 2, 15) to (start + 0, 28)
+- Code(Expression(31, Sub)) at (prev + 2, 15) to (start + 0, 28)
     = ((c17 + Zero) - c18)
-- Code(Expression(31, Sub)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(30, Sub)) at (prev + 1, 12) to (start + 0, 25)
     = (((c17 + Zero) - c18) - c12)
-- Code(Expression(30, Sub)) at (prev + 0, 29) to (start + 0, 42)
+- Code(Expression(29, Sub)) at (prev + 0, 29) to (start + 0, 42)
     = ((((c17 + Zero) - c18) - c12) - c19)
-- Code(Expression(29, Sub)) at (prev + 0, 46) to (start + 0, 60)
+- Code(Expression(28, Sub)) at (prev + 0, 46) to (start + 0, 60)
     = (((((c17 + Zero) - c18) - c12) - c19) - c20)
-- Code(Expression(41, Add)) at (prev + 0, 61) to (start + 2, 10)
+- Code(Expression(40, Add)) at (prev + 0, 61) to (start + 2, 10)
     = ((c19 + c20) + c21)
 - Code(Counter(22)) at (prev + 2, 10) to (start + 0, 11)
-- Code(Expression(40, Add)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(39, Add)) at (prev + 1, 9) to (start + 0, 23)
     = (((c19 + c20) + c21) + c22)
 - Code(Counter(12)) at (prev + 2, 9) to (start + 0, 15)
-- Code(Expression(39, Add)) at (prev + 3, 8) to (start + 0, 12)
+- Code(Expression(38, Add)) at (prev + 3, 8) to (start + 0, 12)
     = (c18 + (((c19 + c20) + c21) + c22))
 - Code(Counter(23)) at (prev + 1, 13) to (start + 1, 16)
 - Code(Counter(24)) at (prev + 1, 17) to (start + 2, 10)
 - Code(Zero) at (prev + 2, 10) to (start + 0, 11)
-- Code(Expression(57, Add)) at (prev + 2, 12) to (start + 0, 25)
+- Code(Expression(56, Add)) at (prev + 2, 12) to (start + 0, 25)
     = (c24 + Zero)
 - Code(Counter(25)) at (prev + 0, 26) to (start + 2, 10)
-- Code(Expression(56, Sub)) at (prev + 3, 17) to (start + 0, 30)
+- Code(Expression(55, Sub)) at (prev + 3, 17) to (start + 0, 30)
     = ((c24 + Zero) - c25)
-- Code(Expression(55, Sub)) at (prev + 1, 16) to (start + 0, 29)
+- Code(Expression(54, Sub)) at (prev + 1, 16) to (start + 0, 29)
     = (((c24 + Zero) - c25) - c11)
-- Code(Expression(54, Sub)) at (prev + 0, 33) to (start + 0, 46)
+- Code(Expression(53, Sub)) at (prev + 0, 33) to (start + 0, 46)
     = ((((c24 + Zero) - c25) - c11) - c26)
-- Code(Expression(53, Sub)) at (prev + 0, 50) to (start + 0, 64)
+- Code(Expression(52, Sub)) at (prev + 0, 50) to (start + 0, 64)
     = (((((c24 + Zero) - c25) - c11) - c26) - c27)
-- Code(Expression(66, Add)) at (prev + 0, 65) to (start + 2, 14)
+- Code(Expression(65, Add)) at (prev + 0, 65) to (start + 2, 14)
     = ((c26 + c27) + c28)
 - Code(Counter(29)) at (prev + 2, 14) to (start + 0, 15)
-- Code(Expression(65, Add)) at (prev + 1, 13) to (start + 0, 27)
+- Code(Expression(64, Add)) at (prev + 1, 13) to (start + 0, 27)
     = (((c26 + c27) + c28) + c29)
 - Code(Counter(11)) at (prev + 2, 13) to (start + 0, 19)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
-- Code(Expression(63, Add)) at (prev + 2, 9) to (start + 1, 12)
+- Code(Expression(62, Add)) at (prev + 2, 9) to (start + 1, 12)
     = ((c25 + (((c26 + c27) + c28) + c29)) + Zero)
 - Code(Counter(30)) at (prev + 1, 13) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
-- Code(Expression(123, Add)) at (prev + 2, 9) to (start + 0, 10)
+- Code(Expression(121, Add)) at (prev + 2, 9) to (start + 0, 10)
     = (c31 + (((c32 + c33) + c34) + c35))
-- Code(Expression(86, Add)) at (prev + 0, 16) to (start + 0, 29)
+- Code(Expression(85, Add)) at (prev + 0, 16) to (start + 0, 29)
     = (c30 + Zero)
 - Code(Counter(31)) at (prev + 0, 30) to (start + 2, 6)
-- Code(Expression(85, Sub)) at (prev + 2, 15) to (start + 0, 28)
+- Code(Expression(84, Sub)) at (prev + 2, 15) to (start + 0, 28)
     = ((c30 + Zero) - c31)
-- Code(Expression(84, Sub)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(83, Sub)) at (prev + 1, 12) to (start + 0, 25)
     = (((c30 + Zero) - c31) - c10)
-- Code(Expression(83, Sub)) at (prev + 0, 29) to (start + 0, 42)
+- Code(Expression(82, Sub)) at (prev + 0, 29) to (start + 0, 42)
     = ((((c30 + Zero) - c31) - c10) - c32)
-- Code(Expression(82, Sub)) at (prev + 0, 46) to (start + 0, 60)
+- Code(Expression(81, Sub)) at (prev + 0, 46) to (start + 0, 60)
     = (((((c30 + Zero) - c31) - c10) - c32) - c33)
-- Code(Expression(125, Add)) at (prev + 0, 61) to (start + 2, 10)
+- Code(Expression(123, Add)) at (prev + 0, 61) to (start + 2, 10)
     = ((c32 + c33) + c34)
 - Code(Counter(35)) at (prev + 2, 10) to (start + 0, 11)
-- Code(Expression(124, Add)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(122, Add)) at (prev + 1, 9) to (start + 0, 23)
     = (((c32 + c33) + c34) + c35)
 - Code(Counter(10)) at (prev + 2, 13) to (start + 2, 15)
-- Code(Expression(133, Add)) at (prev + 5, 9) to (start + 0, 10)
+- Code(Expression(131, Add)) at (prev + 5, 9) to (start + 0, 10)
     = (c4 + (((c5 + c6) + c7) + c8))
-- Code(Expression(96, Add)) at (prev + 0, 16) to (start + 0, 29)
-    = ((c31 + (((c32 + c33) + c34) + c35)) + Zero)
+- Code(Expression(121, Add)) at (prev + 0, 16) to (start + 0, 29)
+    = (c31 + (((c32 + c33) + c34) + c35))
 - Code(Counter(4)) at (prev + 0, 30) to (start + 2, 6)
-- Code(Expression(122, Sub)) at (prev + 2, 15) to (start + 0, 28)
+- Code(Expression(120, Sub)) at (prev + 2, 15) to (start + 0, 28)
     = ((c31 + (((c32 + c33) + c34) + c35)) - c4)
-- Code(Expression(121, Sub)) at (prev + 1, 12) to (start + 0, 25)
+- Code(Expression(119, Sub)) at (prev + 1, 12) to (start + 0, 25)
     = (((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9)
-- Code(Expression(120, Sub)) at (prev + 0, 29) to (start + 0, 42)
+- Code(Expression(118, Sub)) at (prev + 0, 29) to (start + 0, 42)
     = ((((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9) - c5)
-- Code(Expression(119, Sub)) at (prev + 0, 46) to (start + 0, 60)
+- Code(Expression(117, Sub)) at (prev + 0, 46) to (start + 0, 60)
     = (((((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9) - c5) - c6)
-- Code(Expression(135, Add)) at (prev + 0, 61) to (start + 2, 10)
+- Code(Expression(133, Add)) at (prev + 0, 61) to (start + 2, 10)
     = ((c5 + c6) + c7)
 - Code(Counter(8)) at (prev + 2, 10) to (start + 0, 11)
-- Code(Expression(134, Add)) at (prev + 1, 9) to (start + 0, 23)
+- Code(Expression(132, Add)) at (prev + 1, 9) to (start + 0, 23)
     = (((c5 + c6) + c7) + c8)
 - Code(Counter(9)) at (prev + 2, 9) to (start + 0, 15)
-- Code(Expression(132, Add)) at (prev + 2, 1) to (start + 0, 2)
+- Code(Expression(130, Add)) at (prev + 2, 1) to (start + 0, 2)
     = ((c4 + (((c5 + c6) + c7) + c8)) + (((c9 + c10) + (c11 + c12)) + (((c1 + Zero) - c2) - c3)))
 
diff --git a/tests/coverage-map/status-quo/continue.cov-map b/tests/coverage-map/status-quo/continue.cov-map
index c78cf293079..82f3d7c6095 100644
--- a/tests/coverage-map/status-quo/continue.cov-map
+++ b/tests/coverage-map/status-quo/continue.cov-map
@@ -1,8 +1,8 @@
 Function name: continue::main
-Raw bytes (216): 0x[01, 01, 1f, 01, 07, 05, 09, 03, 0d, 0d, 1f, 11, 15, 1b, 19, 0d, 1f, 11, 15, 15, 00, 19, 37, 1d, 21, 33, 25, 19, 37, 1d, 21, 1d, 00, 25, 4f, 29, 2d, 4b, 31, 25, 4f, 29, 2d, 31, 67, 35, 39, 5f, 3d, 31, 67, 35, 39, 35, 39, 3d, 41, 73, 45, 3d, 41, 41, 00, 49, 45, 1e, 01, 03, 01, 03, 12, 03, 04, 0e, 00, 13, 0a, 01, 0f, 00, 16, 05, 02, 11, 00, 19, 09, 02, 12, 04, 0e, 1b, 06, 0e, 00, 13, 16, 01, 0f, 00, 16, 15, 01, 16, 02, 0e, 11, 04, 11, 00, 19, 23, 03, 09, 00, 0e, 33, 02, 0e, 00, 13, 2e, 01, 0f, 00, 16, 1d, 01, 15, 02, 0e, 21, 04, 11, 00, 19, 3b, 03, 09, 00, 0e, 4b, 02, 0e, 00, 13, 46, 01, 0c, 00, 13, 29, 01, 0d, 00, 15, 2d, 01, 0a, 01, 0e, 5f, 03, 0e, 00, 13, 5a, 01, 0f, 00, 16, 39, 01, 16, 02, 0e, 35, 03, 12, 02, 0e, 67, 04, 09, 00, 0e, 73, 02, 0e, 00, 13, 6e, 01, 0f, 00, 16, 41, 01, 16, 02, 0e, 49, 04, 11, 00, 16, 77, 03, 09, 00, 0e, 7b, 02, 0d, 01, 02]
+Raw bytes (210): 0x[01, 01, 1c, 01, 07, 05, 09, 03, 0d, 0d, 1f, 11, 15, 1b, 19, 0d, 1f, 11, 15, 19, 33, 1d, 21, 2f, 25, 19, 33, 1d, 21, 25, 47, 29, 2d, 43, 31, 25, 47, 29, 2d, 31, 5f, 35, 39, 57, 3d, 31, 5f, 35, 39, 35, 39, 3d, 41, 6b, 45, 3d, 41, 49, 45, 1e, 01, 03, 01, 03, 12, 03, 04, 0e, 00, 13, 0a, 01, 0f, 00, 16, 05, 02, 11, 00, 19, 09, 02, 12, 04, 0e, 1b, 06, 0e, 00, 13, 16, 01, 0f, 00, 16, 15, 01, 16, 02, 0e, 11, 04, 11, 00, 19, 15, 03, 09, 00, 0e, 2f, 02, 0e, 00, 13, 2a, 01, 0f, 00, 16, 1d, 01, 15, 02, 0e, 21, 04, 11, 00, 19, 1d, 03, 09, 00, 0e, 43, 02, 0e, 00, 13, 3e, 01, 0c, 00, 13, 29, 01, 0d, 00, 15, 2d, 01, 0a, 01, 0e, 57, 03, 0e, 00, 13, 52, 01, 0f, 00, 16, 39, 01, 16, 02, 0e, 35, 03, 12, 02, 0e, 5f, 04, 09, 00, 0e, 6b, 02, 0e, 00, 13, 66, 01, 0f, 00, 16, 41, 01, 16, 02, 0e, 49, 04, 11, 00, 16, 41, 03, 09, 00, 0e, 6f, 02, 0d, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 31
+Number of expressions: 28
 - expression 0 operands: lhs = Counter(0), rhs = Expression(1, Add)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
@@ -11,29 +11,26 @@ Number of expressions: 31
 - expression 5 operands: lhs = Expression(6, Add), rhs = Counter(6)
 - expression 6 operands: lhs = Counter(3), rhs = Expression(7, Add)
 - expression 7 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 8 operands: lhs = Counter(5), rhs = Zero
-- expression 9 operands: lhs = Counter(6), rhs = Expression(13, Add)
-- expression 10 operands: lhs = Counter(7), rhs = Counter(8)
-- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(9)
-- expression 12 operands: lhs = Counter(6), rhs = Expression(13, Add)
-- expression 13 operands: lhs = Counter(7), rhs = Counter(8)
-- expression 14 operands: lhs = Counter(7), rhs = Zero
-- expression 15 operands: lhs = Counter(9), rhs = Expression(19, Add)
-- expression 16 operands: lhs = Counter(10), rhs = Counter(11)
-- expression 17 operands: lhs = Expression(18, Add), rhs = Counter(12)
-- expression 18 operands: lhs = Counter(9), rhs = Expression(19, Add)
-- expression 19 operands: lhs = Counter(10), rhs = Counter(11)
-- expression 20 operands: lhs = Counter(12), rhs = Expression(25, Add)
-- expression 21 operands: lhs = Counter(13), rhs = Counter(14)
-- expression 22 operands: lhs = Expression(23, Add), rhs = Counter(15)
-- expression 23 operands: lhs = Counter(12), rhs = Expression(25, Add)
-- expression 24 operands: lhs = Counter(13), rhs = Counter(14)
-- expression 25 operands: lhs = Counter(13), rhs = Counter(14)
+- expression 8 operands: lhs = Counter(6), rhs = Expression(12, Add)
+- expression 9 operands: lhs = Counter(7), rhs = Counter(8)
+- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(9)
+- expression 11 operands: lhs = Counter(6), rhs = Expression(12, Add)
+- expression 12 operands: lhs = Counter(7), rhs = Counter(8)
+- expression 13 operands: lhs = Counter(9), rhs = Expression(17, Add)
+- expression 14 operands: lhs = Counter(10), rhs = Counter(11)
+- expression 15 operands: lhs = Expression(16, Add), rhs = Counter(12)
+- expression 16 operands: lhs = Counter(9), rhs = Expression(17, Add)
+- expression 17 operands: lhs = Counter(10), rhs = Counter(11)
+- expression 18 operands: lhs = Counter(12), rhs = Expression(23, Add)
+- expression 19 operands: lhs = Counter(13), rhs = Counter(14)
+- expression 20 operands: lhs = Expression(21, Add), rhs = Counter(15)
+- expression 21 operands: lhs = Counter(12), rhs = Expression(23, Add)
+- expression 22 operands: lhs = Counter(13), rhs = Counter(14)
+- expression 23 operands: lhs = Counter(13), rhs = Counter(14)
+- expression 24 operands: lhs = Counter(15), rhs = Counter(16)
+- expression 25 operands: lhs = Expression(26, Add), rhs = Counter(17)
 - expression 26 operands: lhs = Counter(15), rhs = Counter(16)
-- expression 27 operands: lhs = Expression(28, Add), rhs = Counter(17)
-- expression 28 operands: lhs = Counter(15), rhs = Counter(16)
-- expression 29 operands: lhs = Counter(16), rhs = Zero
-- expression 30 operands: lhs = Counter(18), rhs = Counter(17)
+- expression 27 operands: lhs = Counter(18), rhs = Counter(17)
 Number of file 0 mappings: 30
 - Code(Counter(0)) at (prev + 3, 1) to (start + 3, 18)
 - Code(Expression(0, Add)) at (prev + 4, 14) to (start + 0, 19)
@@ -48,38 +45,35 @@ Number of file 0 mappings: 30
     = ((c3 + (c4 + c5)) - c6)
 - Code(Counter(5)) at (prev + 1, 22) to (start + 2, 14)
 - Code(Counter(4)) at (prev + 4, 17) to (start + 0, 25)
-- Code(Expression(8, Add)) at (prev + 3, 9) to (start + 0, 14)
-    = (c5 + Zero)
-- Code(Expression(12, Add)) at (prev + 2, 14) to (start + 0, 19)
+- Code(Counter(5)) at (prev + 3, 9) to (start + 0, 14)
+- Code(Expression(11, Add)) at (prev + 2, 14) to (start + 0, 19)
     = (c6 + (c7 + c8))
-- Code(Expression(11, Sub)) at (prev + 1, 15) to (start + 0, 22)
+- Code(Expression(10, Sub)) at (prev + 1, 15) to (start + 0, 22)
     = ((c6 + (c7 + c8)) - c9)
 - Code(Counter(7)) at (prev + 1, 21) to (start + 2, 14)
 - Code(Counter(8)) at (prev + 4, 17) to (start + 0, 25)
-- Code(Expression(14, Add)) at (prev + 3, 9) to (start + 0, 14)
-    = (c7 + Zero)
-- Code(Expression(18, Add)) at (prev + 2, 14) to (start + 0, 19)
+- Code(Counter(7)) at (prev + 3, 9) to (start + 0, 14)
+- Code(Expression(16, Add)) at (prev + 2, 14) to (start + 0, 19)
     = (c9 + (c10 + c11))
-- Code(Expression(17, Sub)) at (prev + 1, 12) to (start + 0, 19)
+- Code(Expression(15, Sub)) at (prev + 1, 12) to (start + 0, 19)
     = ((c9 + (c10 + c11)) - c12)
 - Code(Counter(10)) at (prev + 1, 13) to (start + 0, 21)
 - Code(Counter(11)) at (prev + 1, 10) to (start + 1, 14)
-- Code(Expression(23, Add)) at (prev + 3, 14) to (start + 0, 19)
+- Code(Expression(21, Add)) at (prev + 3, 14) to (start + 0, 19)
     = (c12 + (c13 + c14))
-- Code(Expression(22, Sub)) at (prev + 1, 15) to (start + 0, 22)
+- Code(Expression(20, Sub)) at (prev + 1, 15) to (start + 0, 22)
     = ((c12 + (c13 + c14)) - c15)
 - Code(Counter(14)) at (prev + 1, 22) to (start + 2, 14)
 - Code(Counter(13)) at (prev + 3, 18) to (start + 2, 14)
-- Code(Expression(25, Add)) at (prev + 4, 9) to (start + 0, 14)
+- Code(Expression(23, Add)) at (prev + 4, 9) to (start + 0, 14)
     = (c13 + c14)
-- Code(Expression(28, Add)) at (prev + 2, 14) to (start + 0, 19)
+- Code(Expression(26, Add)) at (prev + 2, 14) to (start + 0, 19)
     = (c15 + c16)
-- Code(Expression(27, Sub)) at (prev + 1, 15) to (start + 0, 22)
+- Code(Expression(25, Sub)) at (prev + 1, 15) to (start + 0, 22)
     = ((c15 + c16) - c17)
 - Code(Counter(16)) at (prev + 1, 22) to (start + 2, 14)
 - Code(Counter(18)) at (prev + 4, 17) to (start + 0, 22)
-- Code(Expression(29, Add)) at (prev + 3, 9) to (start + 0, 14)
-    = (c16 + Zero)
-- Code(Expression(30, Add)) at (prev + 2, 13) to (start + 1, 2)
+- Code(Counter(16)) at (prev + 3, 9) to (start + 0, 14)
+- Code(Expression(27, Add)) at (prev + 2, 13) to (start + 1, 2)
     = (c18 + c17)
 
diff --git a/tests/coverage-map/status-quo/dead_code.cov-map b/tests/coverage-map/status-quo/dead_code.cov-map
index 8d5f88e63ef..0b8a40a8cde 100644
--- a/tests/coverage-map/status-quo/dead_code.cov-map
+++ b/tests/coverage-map/status-quo/dead_code.cov-map
@@ -14,23 +14,23 @@ Number of file 0 mappings: 4
     = (c1 + (c0 - c1))
 
 Function name: dead_code::unused_fn (unused)
-Raw bytes (24): 0x[01, 01, 00, 04, 01, 0f, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
+Raw bytes (24): 0x[01, 01, 00, 04, 00, 0f, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 15, 1) to (start + 7, 15)
+- Code(Zero) at (prev + 15, 1) to (start + 7, 15)
 - Code(Zero) at (prev + 7, 16) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Zero) at (prev + 1, 1) to (start + 0, 2)
 
 Function name: dead_code::unused_pub_fn_not_in_library (unused)
-Raw bytes (24): 0x[01, 01, 00, 04, 01, 03, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
+Raw bytes (24): 0x[01, 01, 00, 04, 00, 03, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 3, 1) to (start + 7, 15)
+- Code(Zero) at (prev + 3, 1) to (start + 7, 15)
 - Code(Zero) at (prev + 7, 16) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Zero) at (prev + 1, 1) to (start + 0, 2)
diff --git a/tests/coverage-map/status-quo/generator.cov-map b/tests/coverage-map/status-quo/generator.cov-map
index a66c1af30f9..75704bcc223 100644
--- a/tests/coverage-map/status-quo/generator.cov-map
+++ b/tests/coverage-map/status-quo/generator.cov-map
@@ -14,38 +14,33 @@ Number of file 0 mappings: 4
     = (c1 + (c0 - c1))
 
 Function name: generator::main
-Raw bytes (71): 0x[01, 01, 0b, 01, 00, 05, 0b, 09, 0d, 11, 00, 11, 15, 2a, 19, 11, 15, 15, 19, 26, 00, 2a, 19, 11, 15, 09, 01, 0f, 01, 02, 16, 03, 07, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 07, 01, 0e, 00, 35, 0f, 02, 0b, 00, 2e, 2a, 01, 22, 00, 27, 26, 00, 2c, 00, 2e, 1f, 01, 0e, 00, 35, 23, 02, 01, 00, 02]
+Raw bytes (65): 0x[01, 01, 08, 05, 07, 09, 0d, 11, 15, 1e, 19, 11, 15, 15, 19, 1e, 19, 11, 15, 09, 01, 0f, 01, 02, 16, 01, 07, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 1e, 01, 22, 00, 27, 1a, 00, 2c, 00, 2e, 17, 01, 0e, 00, 35, 1a, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 11
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
-- expression 2 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 3 operands: lhs = Counter(4), rhs = Zero
+Number of expressions: 8
+- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add)
+- expression 1 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 2 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 3 operands: lhs = Expression(7, Sub), rhs = Counter(6)
 - expression 4 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 5 operands: lhs = Expression(10, Sub), rhs = Counter(6)
-- expression 6 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 7 operands: lhs = Counter(5), rhs = Counter(6)
-- expression 8 operands: lhs = Expression(9, Sub), rhs = Zero
-- expression 9 operands: lhs = Expression(10, Sub), rhs = Counter(6)
-- expression 10 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 5 operands: lhs = Counter(5), rhs = Counter(6)
+- expression 6 operands: lhs = Expression(7, Sub), rhs = Counter(6)
+- expression 7 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 15, 1) to (start + 2, 22)
-- Code(Expression(0, Add)) at (prev + 7, 11) to (start + 0, 46)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 7, 11) to (start + 0, 46)
 - Code(Counter(4)) at (prev + 1, 43) to (start + 0, 45)
-- Code(Expression(1, Add)) at (prev + 1, 14) to (start + 0, 53)
+- Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 53)
     = (c1 + (c2 + c3))
-- Code(Expression(3, Add)) at (prev + 2, 11) to (start + 0, 46)
-    = (c4 + Zero)
-- Code(Expression(10, Sub)) at (prev + 1, 34) to (start + 0, 39)
+- Code(Counter(4)) at (prev + 2, 11) to (start + 0, 46)
+- Code(Expression(7, Sub)) at (prev + 1, 34) to (start + 0, 39)
     = (c4 - c5)
-- Code(Expression(9, Sub)) at (prev + 0, 44) to (start + 0, 46)
+- Code(Expression(6, Sub)) at (prev + 0, 44) to (start + 0, 46)
     = ((c4 - c5) - c6)
-- Code(Expression(7, Add)) at (prev + 1, 14) to (start + 0, 53)
+- Code(Expression(5, Add)) at (prev + 1, 14) to (start + 0, 53)
     = (c5 + c6)
-- Code(Expression(8, Add)) at (prev + 2, 1) to (start + 0, 2)
-    = (((c4 - c5) - c6) + Zero)
+- Code(Expression(6, Sub)) at (prev + 2, 1) to (start + 0, 2)
+    = ((c4 - c5) - c6)
 
 Function name: generator::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 11, 1c, 01, 1f, 05, 02, 10, 01, 06]
diff --git a/tests/coverage-map/status-quo/inline-dead.cov-map b/tests/coverage-map/status-quo/inline-dead.cov-map
index dec43d3e8bb..483f7ef79c6 100644
--- a/tests/coverage-map/status-quo/inline-dead.cov-map
+++ b/tests/coverage-map/status-quo/inline-dead.cov-map
@@ -1,10 +1,10 @@
 Function name: inline_dead::dead (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 19, 01, 02, 02]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 19, 01, 02, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 25, 1) to (start + 2, 2)
+- Code(Zero) at (prev + 25, 1) to (start + 2, 2)
 
 Function name: inline_dead::live::<false>
 Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 10, 01, 01, 09, 00, 02, 09, 00, 0f, 02, 02, 09, 00, 0a, 07, 02, 01, 00, 02]
@@ -22,15 +22,13 @@ Number of file 0 mappings: 4
     = (c1 + (c0 - c1))
 
 Function name: inline_dead::main
-Raw bytes (16): 0x[01, 01, 01, 01, 00, 02, 01, 04, 01, 03, 0d, 03, 07, 06, 02, 02]
+Raw bytes (14): 0x[01, 01, 00, 02, 01, 04, 01, 03, 0d, 01, 07, 06, 02, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 1
-- expression 0 operands: lhs = Counter(0), rhs = Zero
+Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 4, 1) to (start + 3, 13)
-- Code(Expression(0, Add)) at (prev + 7, 6) to (start + 2, 2)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 7, 6) to (start + 2, 2)
 
 Function name: inline_dead::main::{closure#0}
 Raw bytes (16): 0x[01, 01, 01, 01, 05, 02, 00, 09, 0d, 00, 0e, 03, 02, 05, 00, 06]
diff --git a/tests/coverage-map/status-quo/inline.cov-map b/tests/coverage-map/status-quo/inline.cov-map
index 57ae85623fb..72b10fd0cc2 100644
--- a/tests/coverage-map/status-quo/inline.cov-map
+++ b/tests/coverage-map/status-quo/inline.cov-map
@@ -1,19 +1,17 @@
 Function name: inline::display::<char>
-Raw bytes (35): 0x[01, 01, 03, 01, 05, 05, 00, 03, 05, 05, 01, 29, 01, 00, 22, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 10, 07, 00, 11, 02, 06, 0a, 03, 05, 01, 02]
+Raw bytes (33): 0x[01, 01, 02, 01, 05, 03, 05, 05, 01, 29, 01, 00, 22, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 10, 05, 00, 11, 02, 06, 06, 03, 05, 01, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 3
+Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Counter(1), rhs = Zero
-- expression 2 operands: lhs = Expression(0, Add), rhs = Counter(1)
+- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(1)
 Number of file 0 mappings: 5
 - Code(Counter(0)) at (prev + 41, 1) to (start + 0, 34)
 - Code(Counter(1)) at (prev + 1, 9) to (start + 0, 10)
 - Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 16)
     = (c0 + c1)
-- Code(Expression(1, Add)) at (prev + 0, 17) to (start + 2, 6)
-    = (c1 + Zero)
-- Code(Expression(2, Sub)) at (prev + 3, 5) to (start + 1, 2)
+- Code(Counter(1)) at (prev + 0, 17) to (start + 2, 6)
+- Code(Expression(1, Sub)) at (prev + 3, 5) to (start + 1, 2)
     = ((c0 + c1) - c1)
 
 Function name: inline::error
@@ -41,15 +39,14 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 5, 1) to (start + 2, 2)
 
 Function name: inline::permutate::<char>
-Raw bytes (54): 0x[01, 01, 05, 01, 05, 02, 0d, 11, 00, 05, 13, 09, 0d, 08, 01, 0f, 01, 02, 0e, 05, 02, 0f, 02, 06, 02, 02, 0f, 00, 14, 11, 01, 0d, 00, 0e, 06, 00, 12, 00, 16, 0b, 00, 17, 04, 0a, 0d, 05, 0c, 02, 06, 0f, 03, 01, 00, 02]
+Raw bytes (52): 0x[01, 01, 04, 01, 05, 02, 0d, 05, 0f, 09, 0d, 08, 01, 0f, 01, 02, 0e, 05, 02, 0f, 02, 06, 02, 02, 0f, 00, 14, 11, 01, 0d, 00, 0e, 06, 00, 12, 00, 16, 11, 00, 17, 04, 0a, 0d, 05, 0c, 02, 06, 0b, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 5
+Number of expressions: 4
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Expression(0, Sub), rhs = Counter(3)
-- expression 2 operands: lhs = Counter(4), rhs = Zero
-- expression 3 operands: lhs = Counter(1), rhs = Expression(4, Add)
-- expression 4 operands: lhs = Counter(2), rhs = Counter(3)
+- expression 2 operands: lhs = Counter(1), rhs = Expression(3, Add)
+- expression 3 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 8
 - Code(Counter(0)) at (prev + 15, 1) to (start + 2, 14)
 - Code(Counter(1)) at (prev + 2, 15) to (start + 2, 6)
@@ -58,10 +55,9 @@ Number of file 0 mappings: 8
 - Code(Counter(4)) at (prev + 1, 13) to (start + 0, 14)
 - Code(Expression(1, Sub)) at (prev + 0, 18) to (start + 0, 22)
     = ((c0 - c1) - c3)
-- Code(Expression(2, Add)) at (prev + 0, 23) to (start + 4, 10)
-    = (c4 + Zero)
+- Code(Counter(4)) at (prev + 0, 23) to (start + 4, 10)
 - Code(Counter(3)) at (prev + 5, 12) to (start + 2, 6)
-- Code(Expression(3, Add)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(2, Add)) at (prev + 3, 1) to (start + 0, 2)
     = (c1 + (c2 + c3))
 
 Function name: inline::permutations::<char>
diff --git a/tests/coverage-map/status-quo/issue-93054.cov-map b/tests/coverage-map/status-quo/issue-93054.cov-map
index 52fe7f58d15..c2c6e9a6516 100644
--- a/tests/coverage-map/status-quo/issue-93054.cov-map
+++ b/tests/coverage-map/status-quo/issue-93054.cov-map
@@ -1,10 +1,10 @@
 Function name: issue_93054::foo2 (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 16, 01, 00, 1d]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 16, 01, 00, 1d]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 22, 1) to (start + 0, 29)
+- Code(Zero) at (prev + 22, 1) to (start + 0, 29)
 
 Function name: issue_93054::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1e, 01, 00, 0d]
@@ -15,10 +15,10 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 30, 1) to (start + 0, 13)
 
 Function name: issue_93054::make (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 1a, 01, 02, 02]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 1a, 01, 02, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 26, 1) to (start + 2, 2)
+- Code(Zero) at (prev + 26, 1) to (start + 2, 2)
 
diff --git a/tests/coverage-map/status-quo/lazy_boolean.cov-map b/tests/coverage-map/status-quo/lazy_boolean.cov-map
index b18a9640433..0ad393c40fa 100644
--- a/tests/coverage-map/status-quo/lazy_boolean.cov-map
+++ b/tests/coverage-map/status-quo/lazy_boolean.cov-map
@@ -1,223 +1,219 @@
 Function name: lazy_boolean::main
-Raw bytes (646): 0x[01, 01, a8, 01, 01, 05, 09, 9a, 05, 9f, 05, 09, 05, 02, 05, 02, 9f, 05, 09, 05, 02, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 97, 05, 00, 09, 9a, 05, 9f, 05, 09, 05, 02, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 8f, 05, 00, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 87, 05, 00, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, ff, 04, 00, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 1d, f2, 04, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, ef, 04, 21, 1d, f2, 04, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 21, ea, 04, ef, 04, 21, 1d, f2, 04, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, e7, 04, 25, 21, ea, 04, ef, 04, 21, 1d, f2, 04, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 25, e2, 04, e7, 04, 25, 21, ea, 04, ef, 04, 21, 1d, f2, 04, f7, 04, 1d, 19, fa, 04, ff, 04, 19, 15, 82, 05, 87, 05, 15, 11, 8a, 05, 8f, 05, 11, 0d, 92, 05, 97, 05, 0d, 09, 9a, 05, 9f, 05, 09, 05, 02, 1c, 01, 03, 01, 07, 0f, 05, 07, 10, 04, 06, 02, 04, 06, 00, 07, 97, 05, 02, 09, 00, 11, 9f, 05, 02, 0d, 00, 12, 9a, 05, 02, 0d, 00, 12, 8f, 05, 03, 09, 00, 11, 33, 02, 0d, 00, 12, 92, 05, 02, 0d, 00, 12, 87, 05, 02, 09, 00, 11, 6f, 00, 14, 00, 19, 11, 00, 1d, 00, 22, ff, 04, 01, 09, 00, 11, ab, 01, 00, 14, 00, 19, 15, 00, 1d, 00, 22, cb, 01, 04, 09, 00, 10, fa, 04, 01, 05, 03, 06, 19, 03, 06, 00, 07, f7, 04, 03, 09, 00, 10, 1d, 01, 05, 03, 06, f2, 04, 05, 05, 03, 06, ef, 04, 05, 09, 00, 10, ea, 04, 00, 11, 02, 06, 21, 02, 06, 00, 07, e7, 04, 02, 08, 00, 0f, 25, 00, 10, 02, 06, e2, 04, 02, 0c, 02, 06, df, 04, 03, 01, 00, 02]
+Raw bytes (636): 0x[01, 01, a4, 01, 01, 05, 09, 8a, 05, 8f, 05, 09, 05, 02, 05, 02, 8f, 05, 09, 05, 02, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 09, 8a, 05, 8f, 05, 09, 05, 02, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, d7, 04, 25, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 25, d2, 04, d7, 04, 25, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 1c, 01, 03, 01, 07, 0f, 05, 07, 10, 04, 06, 02, 04, 06, 00, 07, 87, 05, 02, 09, 00, 11, 8f, 05, 02, 0d, 00, 12, 8a, 05, 02, 0d, 00, 12, ff, 04, 03, 09, 00, 11, 87, 05, 02, 0d, 00, 12, 82, 05, 02, 0d, 00, 12, f7, 04, 02, 09, 00, 11, ff, 04, 00, 14, 00, 19, 11, 00, 1d, 00, 22, ef, 04, 01, 09, 00, 11, f7, 04, 00, 14, 00, 19, 15, 00, 1d, 00, 22, ef, 04, 04, 09, 00, 10, ea, 04, 01, 05, 03, 06, 19, 03, 06, 00, 07, e7, 04, 03, 09, 00, 10, 1d, 01, 05, 03, 06, e2, 04, 05, 05, 03, 06, df, 04, 05, 09, 00, 10, da, 04, 00, 11, 02, 06, 21, 02, 06, 00, 07, d7, 04, 02, 08, 00, 0f, 25, 00, 10, 02, 06, d2, 04, 02, 0c, 02, 06, cf, 04, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 168
+Number of expressions: 164
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 2 operands: lhs = Expression(167, Add), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 2 operands: lhs = Expression(163, Add), rhs = Counter(2)
 - expression 3 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 - expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 5 operands: lhs = Expression(167, Add), rhs = Counter(2)
+- expression 5 operands: lhs = Expression(163, Add), rhs = Counter(2)
 - expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 7 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 8 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 9 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 10 operands: lhs = Expression(167, Add), rhs = Counter(2)
+- expression 7 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 8 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 9 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 10 operands: lhs = Expression(163, Add), rhs = Counter(2)
 - expression 11 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 12 operands: lhs = Expression(165, Add), rhs = Zero
-- expression 13 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 14 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 15 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 16 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 17 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 18 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 19 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 20 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 21 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 22 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 23 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 24 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 25 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 26 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 27 operands: lhs = Expression(163, Add), rhs = Zero
-- expression 28 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 29 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 30 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 31 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 32 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 33 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 34 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 35 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 36 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 37 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 38 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 39 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 40 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 41 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 42 operands: lhs = Expression(161, Add), rhs = Zero
-- expression 43 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 44 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 45 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 46 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 47 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 48 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 49 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 50 operands: lhs = Expression(159, Add), rhs = Zero
-- expression 51 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 52 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 53 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 54 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 55 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 56 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 57 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 58 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 59 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 60 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 61 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 62 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 63 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 64 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 65 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 66 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 67 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 68 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 69 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 70 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 71 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 72 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 73 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 74 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 75 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 76 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 77 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 78 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 79 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 80 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 81 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 82 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 83 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 84 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 85 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 86 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 87 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 88 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 89 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 90 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 91 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 92 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 93 operands: lhs = Counter(7), rhs = Expression(156, Sub)
-- expression 94 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 95 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 96 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 97 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 98 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 99 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 100 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 101 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 102 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 103 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 104 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 105 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 106 operands: lhs = Expression(155, Add), rhs = Counter(8)
-- expression 107 operands: lhs = Counter(7), rhs = Expression(156, Sub)
-- expression 108 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 109 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 110 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 111 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 112 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 113 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 114 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 115 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 116 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 117 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 118 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 119 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 120 operands: lhs = Counter(8), rhs = Expression(154, Sub)
-- expression 121 operands: lhs = Expression(155, Add), rhs = Counter(8)
-- expression 122 operands: lhs = Counter(7), rhs = Expression(156, Sub)
-- expression 123 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 124 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 125 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 126 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 127 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 128 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 129 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 130 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 131 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 132 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 133 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 134 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 135 operands: lhs = Expression(153, Add), rhs = Counter(9)
-- expression 136 operands: lhs = Counter(8), rhs = Expression(154, Sub)
-- expression 137 operands: lhs = Expression(155, Add), rhs = Counter(8)
-- expression 138 operands: lhs = Counter(7), rhs = Expression(156, Sub)
-- expression 139 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 140 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 141 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 142 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 143 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 144 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 145 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 146 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 147 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 148 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 149 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 150 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 151 operands: lhs = Counter(9), rhs = Expression(152, Sub)
-- expression 152 operands: lhs = Expression(153, Add), rhs = Counter(9)
-- expression 153 operands: lhs = Counter(8), rhs = Expression(154, Sub)
-- expression 154 operands: lhs = Expression(155, Add), rhs = Counter(8)
-- expression 155 operands: lhs = Counter(7), rhs = Expression(156, Sub)
-- expression 156 operands: lhs = Expression(157, Add), rhs = Counter(7)
-- expression 157 operands: lhs = Counter(6), rhs = Expression(158, Sub)
-- expression 158 operands: lhs = Expression(159, Add), rhs = Counter(6)
-- expression 159 operands: lhs = Counter(5), rhs = Expression(160, Sub)
-- expression 160 operands: lhs = Expression(161, Add), rhs = Counter(5)
-- expression 161 operands: lhs = Counter(4), rhs = Expression(162, Sub)
-- expression 162 operands: lhs = Expression(163, Add), rhs = Counter(4)
-- expression 163 operands: lhs = Counter(3), rhs = Expression(164, Sub)
-- expression 164 operands: lhs = Expression(165, Add), rhs = Counter(3)
-- expression 165 operands: lhs = Counter(2), rhs = Expression(166, Sub)
-- expression 166 operands: lhs = Expression(167, Add), rhs = Counter(2)
-- expression 167 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 12 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 13 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 14 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 15 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 16 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 17 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 18 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 19 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 20 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 21 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 22 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 23 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 24 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 25 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 26 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 27 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 28 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 29 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 30 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 31 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 32 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 33 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 34 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 35 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 36 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 37 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 38 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 39 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 40 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 41 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 42 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 43 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 44 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 45 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 46 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 47 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 48 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 49 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 50 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 51 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 52 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 53 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 54 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 55 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 56 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 57 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 58 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 59 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 60 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 61 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 62 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 63 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 64 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 65 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 66 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 67 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 68 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 69 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 70 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 71 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 72 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 73 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 74 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 75 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 76 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 77 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 78 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 79 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 80 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 81 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 82 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 83 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 84 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 85 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 86 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 87 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 88 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 89 operands: lhs = Counter(7), rhs = Expression(152, Sub)
+- expression 90 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 91 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 92 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 93 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 94 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 95 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 96 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 97 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 98 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 99 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 100 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 101 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 102 operands: lhs = Expression(151, Add), rhs = Counter(8)
+- expression 103 operands: lhs = Counter(7), rhs = Expression(152, Sub)
+- expression 104 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 105 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 106 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 107 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 108 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 109 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 110 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 111 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 112 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 113 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 114 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 115 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 116 operands: lhs = Counter(8), rhs = Expression(150, Sub)
+- expression 117 operands: lhs = Expression(151, Add), rhs = Counter(8)
+- expression 118 operands: lhs = Counter(7), rhs = Expression(152, Sub)
+- expression 119 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 120 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 121 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 122 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 123 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 124 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 125 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 126 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 127 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 128 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 129 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 130 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 131 operands: lhs = Expression(149, Add), rhs = Counter(9)
+- expression 132 operands: lhs = Counter(8), rhs = Expression(150, Sub)
+- expression 133 operands: lhs = Expression(151, Add), rhs = Counter(8)
+- expression 134 operands: lhs = Counter(7), rhs = Expression(152, Sub)
+- expression 135 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 136 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 137 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 138 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 139 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 140 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 141 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 142 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 143 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 144 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 145 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 146 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 147 operands: lhs = Counter(9), rhs = Expression(148, Sub)
+- expression 148 operands: lhs = Expression(149, Add), rhs = Counter(9)
+- expression 149 operands: lhs = Counter(8), rhs = Expression(150, Sub)
+- expression 150 operands: lhs = Expression(151, Add), rhs = Counter(8)
+- expression 151 operands: lhs = Counter(7), rhs = Expression(152, Sub)
+- expression 152 operands: lhs = Expression(153, Add), rhs = Counter(7)
+- expression 153 operands: lhs = Counter(6), rhs = Expression(154, Sub)
+- expression 154 operands: lhs = Expression(155, Add), rhs = Counter(6)
+- expression 155 operands: lhs = Counter(5), rhs = Expression(156, Sub)
+- expression 156 operands: lhs = Expression(157, Add), rhs = Counter(5)
+- expression 157 operands: lhs = Counter(4), rhs = Expression(158, Sub)
+- expression 158 operands: lhs = Expression(159, Add), rhs = Counter(4)
+- expression 159 operands: lhs = Counter(3), rhs = Expression(160, Sub)
+- expression 160 operands: lhs = Expression(161, Add), rhs = Counter(3)
+- expression 161 operands: lhs = Counter(2), rhs = Expression(162, Sub)
+- expression 162 operands: lhs = Expression(163, Add), rhs = Counter(2)
+- expression 163 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 28
 - Code(Counter(0)) at (prev + 3, 1) to (start + 7, 15)
 - Code(Counter(1)) at (prev + 7, 16) to (start + 4, 6)
 - Code(Expression(0, Sub)) at (prev + 4, 6) to (start + 0, 7)
     = (c0 - c1)
-- Code(Expression(165, Add)) at (prev + 2, 9) to (start + 0, 17)
+- Code(Expression(161, Add)) at (prev + 2, 9) to (start + 0, 17)
     = (c2 + ((c1 + (c0 - c1)) - c2))
-- Code(Expression(167, Add)) at (prev + 2, 13) to (start + 0, 18)
+- Code(Expression(163, Add)) at (prev + 2, 13) to (start + 0, 18)
     = (c1 + (c0 - c1))
-- Code(Expression(166, Sub)) at (prev + 2, 13) to (start + 0, 18)
+- Code(Expression(162, Sub)) at (prev + 2, 13) to (start + 0, 18)
     = ((c1 + (c0 - c1)) - c2)
-- Code(Expression(163, Add)) at (prev + 3, 9) to (start + 0, 17)
+- Code(Expression(159, Add)) at (prev + 3, 9) to (start + 0, 17)
     = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3))
-- Code(Expression(12, Add)) at (prev + 2, 13) to (start + 0, 18)
-    = ((c2 + ((c1 + (c0 - c1)) - c2)) + Zero)
-- Code(Expression(164, Sub)) at (prev + 2, 13) to (start + 0, 18)
+- Code(Expression(161, Add)) at (prev + 2, 13) to (start + 0, 18)
+    = (c2 + ((c1 + (c0 - c1)) - c2))
+- Code(Expression(160, Sub)) at (prev + 2, 13) to (start + 0, 18)
     = ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)
-- Code(Expression(161, Add)) at (prev + 2, 9) to (start + 0, 17)
+- Code(Expression(157, Add)) at (prev + 2, 9) to (start + 0, 17)
     = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4))
-- Code(Expression(27, Add)) at (prev + 0, 20) to (start + 0, 25)
-    = ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) + Zero)
+- Code(Expression(159, Add)) at (prev + 0, 20) to (start + 0, 25)
+    = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3))
 - Code(Counter(4)) at (prev + 0, 29) to (start + 0, 34)
-- Code(Expression(159, Add)) at (prev + 1, 9) to (start + 0, 17)
+- Code(Expression(155, Add)) at (prev + 1, 9) to (start + 0, 17)
     = (c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5))
-- Code(Expression(42, Add)) at (prev + 0, 20) to (start + 0, 25)
-    = ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) + Zero)
+- Code(Expression(157, Add)) at (prev + 0, 20) to (start + 0, 25)
+    = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4))
 - Code(Counter(5)) at (prev + 0, 29) to (start + 0, 34)
-- Code(Expression(50, Add)) at (prev + 4, 9) to (start + 0, 16)
-    = ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) + Zero)
-- Code(Expression(158, Sub)) at (prev + 1, 5) to (start + 3, 6)
+- Code(Expression(155, Add)) at (prev + 4, 9) to (start + 0, 16)
+    = (c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5))
+- Code(Expression(154, Sub)) at (prev + 1, 5) to (start + 3, 6)
     = ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)
 - Code(Counter(6)) at (prev + 3, 6) to (start + 0, 7)
-- Code(Expression(157, Add)) at (prev + 3, 9) to (start + 0, 16)
+- Code(Expression(153, Add)) at (prev + 3, 9) to (start + 0, 16)
     = (c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6))
 - Code(Counter(7)) at (prev + 1, 5) to (start + 3, 6)
-- Code(Expression(156, Sub)) at (prev + 5, 5) to (start + 3, 6)
+- Code(Expression(152, Sub)) at (prev + 5, 5) to (start + 3, 6)
     = ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)
-- Code(Expression(155, Add)) at (prev + 5, 9) to (start + 0, 16)
+- Code(Expression(151, Add)) at (prev + 5, 9) to (start + 0, 16)
     = (c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7))
-- Code(Expression(154, Sub)) at (prev + 0, 17) to (start + 2, 6)
+- Code(Expression(150, Sub)) at (prev + 0, 17) to (start + 2, 6)
     = ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)
 - Code(Counter(8)) at (prev + 2, 6) to (start + 0, 7)
-- Code(Expression(153, Add)) at (prev + 2, 8) to (start + 0, 15)
+- Code(Expression(149, Add)) at (prev + 2, 8) to (start + 0, 15)
     = (c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8))
 - Code(Counter(9)) at (prev + 0, 16) to (start + 2, 6)
-- Code(Expression(152, Sub)) at (prev + 2, 12) to (start + 2, 6)
+- Code(Expression(148, Sub)) at (prev + 2, 12) to (start + 2, 6)
     = ((c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)) - c9)
-- Code(Expression(151, Add)) at (prev + 3, 1) to (start + 0, 2)
+- Code(Expression(147, Add)) at (prev + 3, 1) to (start + 0, 2)
     = (c9 + ((c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)) - c9))
 
diff --git a/tests/coverage-map/status-quo/loops_branches.cov-map b/tests/coverage-map/status-quo/loops_branches.cov-map
index 480bbfd9795..ebace8cbd71 100644
--- a/tests/coverage-map/status-quo/loops_branches.cov-map
+++ b/tests/coverage-map/status-quo/loops_branches.cov-map
@@ -1,58 +1,57 @@
 Function name: <loops_branches::DebugTest as core::fmt::Debug>::fmt
-Raw bytes (251): 0x[01, 01, 32, 05, 09, 00, 02, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, c3, 01, c7, 01, 0d, 00, 11, 15, ba, 01, 00, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, ba, 01, 15, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, b6, 01, 1d, ba, 01, 15, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, 00, b2, 01, b6, 01, 1d, ba, 01, 15, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, af, 01, 11, 00, b2, 01, b6, 01, 1d, ba, 01, 15, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, 25, a7, 01, aa, 01, 19, af, 01, 11, 00, b2, 01, b6, 01, 1d, ba, 01, 15, bf, 01, 19, c3, 01, c7, 01, 0d, 00, 11, 15, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0e, 00, 0f, 07, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, ba, 01, 03, 0d, 00, 0e, bf, 01, 00, 12, 00, 17, 27, 01, 10, 00, 14, b6, 01, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, b2, 01, 01, 12, 00, 13, af, 01, 01, 11, 00, 22, aa, 01, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 19, 03, 09, 00, 0f, a3, 01, 01, 05, 00, 06]
+Raw bytes (249): 0x[01, 01, 31, 05, 09, 00, 02, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, bf, 01, c3, 01, 0d, 00, 11, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, b6, 01, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, b2, 01, 1d, b6, 01, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, 00, ae, 01, b2, 01, 1d, b6, 01, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, ab, 01, 11, 00, ae, 01, b2, 01, 1d, b6, 01, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, 25, a3, 01, a6, 01, 19, ab, 01, 11, 00, ae, 01, b2, 01, 1d, b6, 01, 15, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 15, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0e, 00, 0f, 07, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, b6, 01, 03, 0d, 00, 0e, bb, 01, 00, 12, 00, 17, b6, 01, 01, 10, 00, 14, b2, 01, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, ae, 01, 01, 12, 00, 13, ab, 01, 01, 11, 00, 22, a6, 01, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 19, 03, 09, 00, 0f, 9f, 01, 01, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 50
+Number of expressions: 49
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Zero, rhs = Expression(0, Sub)
-- expression 2 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 3 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 2 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 3 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
 - expression 4 operands: lhs = Counter(3), rhs = Zero
 - expression 5 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 6 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 6 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
 - expression 7 operands: lhs = Counter(3), rhs = Zero
 - expression 8 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 9 operands: lhs = Expression(46, Sub), rhs = Zero
-- expression 10 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 11 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 12 operands: lhs = Counter(3), rhs = Zero
-- expression 13 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 14 operands: lhs = Expression(46, Sub), rhs = Counter(5)
-- expression 15 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 16 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 17 operands: lhs = Counter(3), rhs = Zero
-- expression 18 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 19 operands: lhs = Expression(45, Sub), rhs = Counter(7)
-- expression 20 operands: lhs = Expression(46, Sub), rhs = Counter(5)
-- expression 21 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 22 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 23 operands: lhs = Counter(3), rhs = Zero
-- expression 24 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 25 operands: lhs = Zero, rhs = Expression(44, Sub)
-- expression 26 operands: lhs = Expression(45, Sub), rhs = Counter(7)
-- expression 27 operands: lhs = Expression(46, Sub), rhs = Counter(5)
-- expression 28 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 29 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 30 operands: lhs = Counter(3), rhs = Zero
-- expression 31 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 32 operands: lhs = Expression(43, Add), rhs = Counter(4)
-- expression 33 operands: lhs = Zero, rhs = Expression(44, Sub)
-- expression 34 operands: lhs = Expression(45, Sub), rhs = Counter(7)
-- expression 35 operands: lhs = Expression(46, Sub), rhs = Counter(5)
-- expression 36 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 37 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 38 operands: lhs = Counter(3), rhs = Zero
-- expression 39 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 40 operands: lhs = Counter(9), rhs = Expression(41, Add)
-- expression 41 operands: lhs = Expression(42, Sub), rhs = Counter(6)
-- expression 42 operands: lhs = Expression(43, Add), rhs = Counter(4)
-- expression 43 operands: lhs = Zero, rhs = Expression(44, Sub)
-- expression 44 operands: lhs = Expression(45, Sub), rhs = Counter(7)
-- expression 45 operands: lhs = Expression(46, Sub), rhs = Counter(5)
-- expression 46 operands: lhs = Expression(47, Add), rhs = Counter(6)
-- expression 47 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
-- expression 48 operands: lhs = Counter(3), rhs = Zero
-- expression 49 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 9 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 10 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 11 operands: lhs = Counter(3), rhs = Zero
+- expression 12 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 13 operands: lhs = Expression(45, Sub), rhs = Counter(5)
+- expression 14 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 15 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 16 operands: lhs = Counter(3), rhs = Zero
+- expression 17 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 18 operands: lhs = Expression(44, Sub), rhs = Counter(7)
+- expression 19 operands: lhs = Expression(45, Sub), rhs = Counter(5)
+- expression 20 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 21 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 22 operands: lhs = Counter(3), rhs = Zero
+- expression 23 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 24 operands: lhs = Zero, rhs = Expression(43, Sub)
+- expression 25 operands: lhs = Expression(44, Sub), rhs = Counter(7)
+- expression 26 operands: lhs = Expression(45, Sub), rhs = Counter(5)
+- expression 27 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 28 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 29 operands: lhs = Counter(3), rhs = Zero
+- expression 30 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 31 operands: lhs = Expression(42, Add), rhs = Counter(4)
+- expression 32 operands: lhs = Zero, rhs = Expression(43, Sub)
+- expression 33 operands: lhs = Expression(44, Sub), rhs = Counter(7)
+- expression 34 operands: lhs = Expression(45, Sub), rhs = Counter(5)
+- expression 35 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 36 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 37 operands: lhs = Counter(3), rhs = Zero
+- expression 38 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 39 operands: lhs = Counter(9), rhs = Expression(40, Add)
+- expression 40 operands: lhs = Expression(41, Sub), rhs = Counter(6)
+- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(4)
+- expression 42 operands: lhs = Zero, rhs = Expression(43, Sub)
+- expression 43 operands: lhs = Expression(44, Sub), rhs = Counter(7)
+- expression 44 operands: lhs = Expression(45, Sub), rhs = Counter(5)
+- expression 45 operands: lhs = Expression(46, Add), rhs = Counter(6)
+- expression 46 operands: lhs = Expression(47, Add), rhs = Expression(48, Add)
+- expression 47 operands: lhs = Counter(3), rhs = Zero
+- expression 48 operands: lhs = Counter(4), rhs = Counter(5)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 9, 5) to (start + 1, 16)
 - Code(Counter(1)) at (prev + 2, 16) to (start + 0, 21)
@@ -64,84 +63,83 @@ Number of file 0 mappings: 20
     = (Zero + (c1 - c2))
 - Code(Counter(9)) at (prev + 0, 30) to (start + 0, 31)
 - Code(Zero) at (prev + 1, 16) to (start + 1, 10)
-- Code(Expression(46, Sub)) at (prev + 3, 13) to (start + 0, 14)
+- Code(Expression(45, Sub)) at (prev + 3, 13) to (start + 0, 14)
     = (((c3 + Zero) + (c4 + c5)) - c6)
-- Code(Expression(47, Add)) at (prev + 0, 18) to (start + 0, 23)
+- Code(Expression(46, Add)) at (prev + 0, 18) to (start + 0, 23)
     = ((c3 + Zero) + (c4 + c5))
-- Code(Expression(9, Add)) at (prev + 1, 16) to (start + 0, 20)
-    = ((((c3 + Zero) + (c4 + c5)) - c6) + Zero)
-- Code(Expression(45, Sub)) at (prev + 1, 20) to (start + 0, 25)
+- Code(Expression(45, Sub)) at (prev + 1, 16) to (start + 0, 20)
+    = (((c3 + Zero) + (c4 + c5)) - c6)
+- Code(Expression(44, Sub)) at (prev + 1, 20) to (start + 0, 25)
     = ((((c3 + Zero) + (c4 + c5)) - c6) - c5)
 - Code(Zero) at (prev + 1, 27) to (start + 0, 31)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
-- Code(Expression(44, Sub)) at (prev + 1, 18) to (start + 0, 19)
+- Code(Expression(43, Sub)) at (prev + 1, 18) to (start + 0, 19)
     = (((((c3 + Zero) + (c4 + c5)) - c6) - c5) - c7)
-- Code(Expression(43, Add)) at (prev + 1, 17) to (start + 0, 34)
+- Code(Expression(42, Add)) at (prev + 1, 17) to (start + 0, 34)
     = (Zero + (((((c3 + Zero) + (c4 + c5)) - c6) - c5) - c7))
-- Code(Expression(42, Sub)) at (prev + 0, 34) to (start + 0, 35)
+- Code(Expression(41, Sub)) at (prev + 0, 34) to (start + 0, 35)
     = ((Zero + (((((c3 + Zero) + (c4 + c5)) - c6) - c5) - c7)) - c4)
 - Code(Zero) at (prev + 1, 20) to (start + 1, 14)
 - Code(Counter(6)) at (prev + 3, 9) to (start + 0, 15)
-- Code(Expression(40, Add)) at (prev + 1, 5) to (start + 0, 6)
+- Code(Expression(39, Add)) at (prev + 1, 5) to (start + 0, 6)
     = (c9 + (((Zero + (((((c3 + Zero) + (c4 + c5)) - c6) - c5) - c7)) - c4) + c6))
 
 Function name: <loops_branches::DisplayTest as core::fmt::Display>::fmt
-Raw bytes (255): 0x[01, 01, 34, 01, 05, 02, 09, 00, 0e, 02, 09, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, c7, 01, cb, 01, 05, 0d, 11, 15, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, be, 01, 11, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, ba, 01, 1d, be, 01, 11, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, 00, b6, 01, ba, 01, 1d, be, 01, 11, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, b3, 01, 15, 00, b6, 01, ba, 01, 1d, be, 01, 11, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, ae, 01, cf, 01, b3, 01, 15, 00, b6, 01, ba, 01, 1d, be, 01, 11, c3, 01, 19, c7, 01, cb, 01, 05, 0d, 11, 15, 19, 25, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 0e, 01, 0e, 00, 0f, 0b, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, be, 01, 02, 0d, 00, 0e, c3, 01, 00, 12, 00, 17, 2f, 01, 10, 00, 15, 00, 00, 16, 01, 0e, ba, 01, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, b6, 01, 01, 12, 00, 13, b3, 01, 01, 11, 00, 22, ae, 01, 00, 22, 00, 23, 19, 03, 09, 00, 0f, ab, 01, 01, 05, 00, 06]
+Raw bytes (253): 0x[01, 01, 33, 01, 05, 02, 09, 00, 0e, 02, 09, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, c3, 01, c7, 01, 05, 0d, 11, 15, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, ba, 01, 11, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, b6, 01, 1d, ba, 01, 11, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, 00, b2, 01, b6, 01, 1d, ba, 01, 11, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, af, 01, 15, 00, b2, 01, b6, 01, 1d, ba, 01, 11, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, aa, 01, cb, 01, af, 01, 15, 00, b2, 01, b6, 01, 1d, ba, 01, 11, bf, 01, 19, c3, 01, c7, 01, 05, 0d, 11, 15, 19, 25, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 0e, 01, 0e, 00, 0f, 0b, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, ba, 01, 02, 0d, 00, 0e, bf, 01, 00, 12, 00, 17, ba, 01, 01, 10, 00, 15, 00, 00, 16, 01, 0e, b6, 01, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, b2, 01, 01, 12, 00, 13, af, 01, 01, 11, 00, 22, aa, 01, 00, 22, 00, 23, 19, 03, 09, 00, 0f, a7, 01, 01, 05, 00, 06]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 52
+Number of expressions: 51
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Expression(0, Sub), rhs = Counter(2)
 - expression 2 operands: lhs = Zero, rhs = Expression(3, Sub)
 - expression 3 operands: lhs = Expression(0, Sub), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 5 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
+- expression 4 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 5 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
 - expression 6 operands: lhs = Counter(1), rhs = Counter(3)
 - expression 7 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 8 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
+- expression 8 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
 - expression 9 operands: lhs = Counter(1), rhs = Counter(3)
 - expression 10 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 11 operands: lhs = Expression(47, Sub), rhs = Zero
-- expression 12 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 13 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 14 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 15 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 16 operands: lhs = Expression(47, Sub), rhs = Counter(4)
-- expression 17 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 18 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 19 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 20 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 21 operands: lhs = Expression(46, Sub), rhs = Counter(7)
-- expression 22 operands: lhs = Expression(47, Sub), rhs = Counter(4)
-- expression 23 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 24 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 25 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 26 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 27 operands: lhs = Zero, rhs = Expression(45, Sub)
-- expression 28 operands: lhs = Expression(46, Sub), rhs = Counter(7)
-- expression 29 operands: lhs = Expression(47, Sub), rhs = Counter(4)
-- expression 30 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 31 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 32 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 33 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 34 operands: lhs = Expression(44, Add), rhs = Counter(5)
-- expression 35 operands: lhs = Zero, rhs = Expression(45, Sub)
-- expression 36 operands: lhs = Expression(46, Sub), rhs = Counter(7)
-- expression 37 operands: lhs = Expression(47, Sub), rhs = Counter(4)
-- expression 38 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 39 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 40 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 41 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 42 operands: lhs = Expression(43, Sub), rhs = Expression(51, Add)
-- expression 43 operands: lhs = Expression(44, Add), rhs = Counter(5)
-- expression 44 operands: lhs = Zero, rhs = Expression(45, Sub)
-- expression 45 operands: lhs = Expression(46, Sub), rhs = Counter(7)
-- expression 46 operands: lhs = Expression(47, Sub), rhs = Counter(4)
-- expression 47 operands: lhs = Expression(48, Add), rhs = Counter(6)
-- expression 48 operands: lhs = Expression(49, Add), rhs = Expression(50, Add)
-- expression 49 operands: lhs = Counter(1), rhs = Counter(3)
-- expression 50 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 51 operands: lhs = Counter(6), rhs = Counter(9)
+- expression 11 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 12 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 13 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 14 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 15 operands: lhs = Expression(46, Sub), rhs = Counter(4)
+- expression 16 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 17 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 18 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 19 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 20 operands: lhs = Expression(45, Sub), rhs = Counter(7)
+- expression 21 operands: lhs = Expression(46, Sub), rhs = Counter(4)
+- expression 22 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 23 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 24 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 25 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 26 operands: lhs = Zero, rhs = Expression(44, Sub)
+- expression 27 operands: lhs = Expression(45, Sub), rhs = Counter(7)
+- expression 28 operands: lhs = Expression(46, Sub), rhs = Counter(4)
+- expression 29 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 30 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 31 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 32 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 33 operands: lhs = Expression(43, Add), rhs = Counter(5)
+- expression 34 operands: lhs = Zero, rhs = Expression(44, Sub)
+- expression 35 operands: lhs = Expression(45, Sub), rhs = Counter(7)
+- expression 36 operands: lhs = Expression(46, Sub), rhs = Counter(4)
+- expression 37 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 38 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 39 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 40 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 41 operands: lhs = Expression(42, Sub), rhs = Expression(50, Add)
+- expression 42 operands: lhs = Expression(43, Add), rhs = Counter(5)
+- expression 43 operands: lhs = Zero, rhs = Expression(44, Sub)
+- expression 44 operands: lhs = Expression(45, Sub), rhs = Counter(7)
+- expression 45 operands: lhs = Expression(46, Sub), rhs = Counter(4)
+- expression 46 operands: lhs = Expression(47, Add), rhs = Counter(6)
+- expression 47 operands: lhs = Expression(48, Add), rhs = Expression(49, Add)
+- expression 48 operands: lhs = Counter(1), rhs = Counter(3)
+- expression 49 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 50 operands: lhs = Counter(6), rhs = Counter(9)
 Number of file 0 mappings: 20
 - Code(Counter(0)) at (prev + 34, 5) to (start + 1, 17)
 - Code(Zero) at (prev + 1, 18) to (start + 1, 10)
@@ -154,25 +152,25 @@ Number of file 0 mappings: 20
 - Code(Expression(2, Add)) at (prev + 1, 13) to (start + 0, 30)
     = (Zero + ((c0 - c1) - c2))
 - Code(Counter(9)) at (prev + 0, 30) to (start + 0, 31)
-- Code(Expression(47, Sub)) at (prev + 2, 13) to (start + 0, 14)
+- Code(Expression(46, Sub)) at (prev + 2, 13) to (start + 0, 14)
     = (((c1 + c3) + (c4 + c5)) - c6)
-- Code(Expression(48, Add)) at (prev + 0, 18) to (start + 0, 23)
+- Code(Expression(47, Add)) at (prev + 0, 18) to (start + 0, 23)
     = ((c1 + c3) + (c4 + c5))
-- Code(Expression(11, Add)) at (prev + 1, 16) to (start + 0, 21)
-    = ((((c1 + c3) + (c4 + c5)) - c6) + Zero)
+- Code(Expression(46, Sub)) at (prev + 1, 16) to (start + 0, 21)
+    = (((c1 + c3) + (c4 + c5)) - c6)
 - Code(Zero) at (prev + 0, 22) to (start + 1, 14)
-- Code(Expression(46, Sub)) at (prev + 2, 20) to (start + 0, 25)
+- Code(Expression(45, Sub)) at (prev + 2, 20) to (start + 0, 25)
     = ((((c1 + c3) + (c4 + c5)) - c6) - c4)
 - Code(Zero) at (prev + 1, 27) to (start + 0, 31)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 34)
-- Code(Expression(45, Sub)) at (prev + 1, 18) to (start + 0, 19)
+- Code(Expression(44, Sub)) at (prev + 1, 18) to (start + 0, 19)
     = (((((c1 + c3) + (c4 + c5)) - c6) - c4) - c7)
-- Code(Expression(44, Add)) at (prev + 1, 17) to (start + 0, 34)
+- Code(Expression(43, Add)) at (prev + 1, 17) to (start + 0, 34)
     = (Zero + (((((c1 + c3) + (c4 + c5)) - c6) - c4) - c7))
-- Code(Expression(43, Sub)) at (prev + 0, 34) to (start + 0, 35)
+- Code(Expression(42, Sub)) at (prev + 0, 34) to (start + 0, 35)
     = ((Zero + (((((c1 + c3) + (c4 + c5)) - c6) - c4) - c7)) - c5)
 - Code(Counter(6)) at (prev + 3, 9) to (start + 0, 15)
-- Code(Expression(42, Add)) at (prev + 1, 5) to (start + 0, 6)
+- Code(Expression(41, Add)) at (prev + 1, 5) to (start + 0, 6)
     = (((Zero + (((((c1 + c3) + (c4 + c5)) - c6) - c4) - c7)) - c5) + (c6 + c9))
 
 Function name: loops_branches::main
diff --git a/tests/coverage-map/status-quo/no_cov_crate.cov-map b/tests/coverage-map/status-quo/no_cov_crate.cov-map
index 7ab5995dc28..05b6448bbd2 100644
--- a/tests/coverage-map/status-quo/no_cov_crate.cov-map
+++ b/tests/coverage-map/status-quo/no_cov_crate.cov-map
@@ -15,12 +15,12 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 24, 1) to (start + 2, 2)
 
 Function name: no_cov_crate::add_coverage_not_called (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 1d, 01, 02, 02]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 1d, 01, 02, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 29, 1) to (start + 2, 2)
+- Code(Zero) at (prev + 29, 1) to (start + 2, 2)
 
 Function name: no_cov_crate::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 4d, 01, 0b, 02]
diff --git a/tests/coverage-map/status-quo/partial_eq.cov-map b/tests/coverage-map/status-quo/partial_eq.cov-map
index dd61cd77ab6..3549116db7a 100644
--- a/tests/coverage-map/status-quo/partial_eq.cov-map
+++ b/tests/coverage-map/status-quo/partial_eq.cov-map
@@ -1,27 +1,27 @@
 Function name: <partial_eq::Version as core::clone::Clone>::clone (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 04, 0a, 00, 0f]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 04, 0a, 00, 0f]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 4, 10) to (start + 0, 15)
+- Code(Zero) at (prev + 4, 10) to (start + 0, 15)
 
 Function name: <partial_eq::Version as core::cmp::Ord>::cmp (unused)
-Raw bytes (14): 0x[01, 01, 00, 02, 01, 04, 33, 00, 34, 00, 00, 35, 00, 36]
+Raw bytes (14): 0x[01, 01, 00, 02, 00, 04, 33, 00, 34, 00, 00, 35, 00, 36]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 2
-- Code(Counter(0)) at (prev + 4, 51) to (start + 0, 52)
+- Code(Zero) at (prev + 4, 51) to (start + 0, 52)
 - Code(Zero) at (prev + 0, 53) to (start + 0, 54)
 
 Function name: <partial_eq::Version as core::cmp::PartialEq>::eq (unused)
-Raw bytes (14): 0x[01, 01, 00, 02, 01, 04, 18, 00, 19, 00, 00, 20, 00, 21]
+Raw bytes (14): 0x[01, 01, 00, 02, 00, 04, 18, 00, 19, 00, 00, 20, 00, 21]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 2
-- Code(Counter(0)) at (prev + 4, 24) to (start + 0, 25)
+- Code(Zero) at (prev + 4, 24) to (start + 0, 25)
 - Code(Zero) at (prev + 0, 32) to (start + 0, 33)
 
 Function name: <partial_eq::Version as core::cmp::PartialOrd>::partial_cmp
diff --git a/tests/coverage-map/status-quo/simple_loop.cov-map b/tests/coverage-map/status-quo/simple_loop.cov-map
index eb49c2324cc..f1691ffc5e6 100644
--- a/tests/coverage-map/status-quo/simple_loop.cov-map
+++ b/tests/coverage-map/status-quo/simple_loop.cov-map
@@ -1,28 +1,27 @@
 Function name: simple_loop::main
-Raw bytes (59): 0x[01, 01, 0a, 01, 05, 27, 09, 05, 02, 23, 09, 27, 09, 05, 02, 1e, 00, 23, 09, 27, 09, 05, 02, 07, 01, 03, 01, 09, 10, 05, 0a, 05, 05, 06, 02, 05, 06, 00, 07, 23, 05, 0d, 02, 0e, 1e, 04, 0d, 00, 12, 09, 02, 0a, 03, 0a, 1b, 06, 01, 00, 02]
+Raw bytes (57): 0x[01, 01, 09, 01, 05, 23, 09, 05, 02, 1f, 09, 23, 09, 05, 02, 1f, 09, 23, 09, 05, 02, 07, 01, 03, 01, 09, 10, 05, 0a, 05, 05, 06, 02, 05, 06, 00, 07, 1f, 05, 0d, 02, 0e, 1a, 04, 0d, 00, 12, 09, 02, 0a, 03, 0a, 1a, 06, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 10
+Number of expressions: 9
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(9, Add), rhs = Counter(2)
+- expression 1 operands: lhs = Expression(8, Add), rhs = Counter(2)
 - expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 3 operands: lhs = Expression(8, Add), rhs = Counter(2)
-- expression 4 operands: lhs = Expression(9, Add), rhs = Counter(2)
+- expression 3 operands: lhs = Expression(7, Add), rhs = Counter(2)
+- expression 4 operands: lhs = Expression(8, Add), rhs = Counter(2)
 - expression 5 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 6 operands: lhs = Expression(7, Sub), rhs = Zero
+- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(2)
 - expression 7 operands: lhs = Expression(8, Add), rhs = Counter(2)
-- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(2)
-- expression 9 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 8 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 Number of file 0 mappings: 7
 - Code(Counter(0)) at (prev + 3, 1) to (start + 9, 16)
 - Code(Counter(1)) at (prev + 10, 5) to (start + 5, 6)
 - Code(Expression(0, Sub)) at (prev + 5, 6) to (start + 0, 7)
     = (c0 - c1)
-- Code(Expression(8, Add)) at (prev + 5, 13) to (start + 2, 14)
+- Code(Expression(7, Add)) at (prev + 5, 13) to (start + 2, 14)
     = ((c1 + (c0 - c1)) + c2)
-- Code(Expression(7, Sub)) at (prev + 4, 13) to (start + 0, 18)
+- Code(Expression(6, Sub)) at (prev + 4, 13) to (start + 0, 18)
     = (((c1 + (c0 - c1)) + c2) - c2)
 - Code(Counter(2)) at (prev + 2, 10) to (start + 3, 10)
-- Code(Expression(6, Add)) at (prev + 6, 1) to (start + 0, 2)
-    = ((((c1 + (c0 - c1)) + c2) - c2) + Zero)
+- Code(Expression(6, Sub)) at (prev + 6, 1) to (start + 0, 2)
+    = (((c1 + (c0 - c1)) + c2) - c2)
 
diff --git a/tests/coverage-map/status-quo/simple_match.cov-map b/tests/coverage-map/status-quo/simple_match.cov-map
index d5389f04b26..4a32745d292 100644
--- a/tests/coverage-map/status-quo/simple_match.cov-map
+++ b/tests/coverage-map/status-quo/simple_match.cov-map
@@ -1,36 +1,33 @@
 Function name: simple_match::main
-Raw bytes (82): 0x[01, 01, 0e, 01, 05, 2f, 33, 05, 02, 09, 0d, 2b, 11, 2f, 33, 05, 02, 09, 0d, 26, 00, 2b, 11, 2f, 33, 05, 02, 09, 0d, 09, 00, 0a, 01, 03, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 2b, 05, 09, 00, 0d, 26, 05, 0d, 00, 16, 09, 02, 0d, 00, 0e, 23, 02, 11, 02, 12, 37, 04, 0d, 07, 0e, 0d, 0a, 0d, 00, 0f, 11, 03, 01, 00, 02]
+Raw bytes (78): 0x[01, 01, 0c, 01, 05, 2b, 2f, 05, 02, 09, 0d, 27, 11, 2b, 2f, 05, 02, 09, 0d, 27, 11, 2b, 2f, 05, 02, 09, 0d, 0a, 01, 03, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 27, 05, 09, 00, 0d, 22, 05, 0d, 00, 16, 09, 02, 0d, 00, 0e, 22, 02, 11, 02, 12, 09, 04, 0d, 07, 0e, 0d, 0a, 0d, 00, 0f, 11, 03, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 14
+Number of expressions: 12
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
-- expression 1 operands: lhs = Expression(11, Add), rhs = Expression(12, Add)
+- expression 1 operands: lhs = Expression(10, Add), rhs = Expression(11, Add)
 - expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 - expression 3 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 4 operands: lhs = Expression(10, Add), rhs = Counter(4)
-- expression 5 operands: lhs = Expression(11, Add), rhs = Expression(12, Add)
+- expression 4 operands: lhs = Expression(9, Add), rhs = Counter(4)
+- expression 5 operands: lhs = Expression(10, Add), rhs = Expression(11, Add)
 - expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub)
 - expression 7 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 8 operands: lhs = Expression(9, Sub), rhs = Zero
-- expression 9 operands: lhs = Expression(10, Add), rhs = Counter(4)
-- expression 10 operands: lhs = Expression(11, Add), rhs = Expression(12, Add)
-- expression 11 operands: lhs = Counter(1), rhs = Expression(0, Sub)
-- expression 12 operands: lhs = Counter(2), rhs = Counter(3)
-- expression 13 operands: lhs = Counter(2), rhs = Zero
+- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(4)
+- expression 9 operands: lhs = Expression(10, Add), rhs = Expression(11, Add)
+- expression 10 operands: lhs = Counter(1), rhs = Expression(0, Sub)
+- expression 11 operands: lhs = Counter(2), rhs = Counter(3)
 Number of file 0 mappings: 10
 - Code(Counter(0)) at (prev + 3, 1) to (start + 7, 15)
 - Code(Counter(1)) at (prev + 7, 16) to (start + 2, 6)
 - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7)
     = (c0 - c1)
-- Code(Expression(10, Add)) at (prev + 5, 9) to (start + 0, 13)
+- Code(Expression(9, Add)) at (prev + 5, 9) to (start + 0, 13)
     = ((c1 + (c0 - c1)) + (c2 + c3))
-- Code(Expression(9, Sub)) at (prev + 5, 13) to (start + 0, 22)
+- Code(Expression(8, Sub)) at (prev + 5, 13) to (start + 0, 22)
     = (((c1 + (c0 - c1)) + (c2 + c3)) - c4)
 - Code(Counter(2)) at (prev + 2, 13) to (start + 0, 14)
-- Code(Expression(8, Add)) at (prev + 2, 17) to (start + 2, 18)
-    = ((((c1 + (c0 - c1)) + (c2 + c3)) - c4) + Zero)
-- Code(Expression(13, Add)) at (prev + 4, 13) to (start + 7, 14)
-    = (c2 + Zero)
+- Code(Expression(8, Sub)) at (prev + 2, 17) to (start + 2, 18)
+    = (((c1 + (c0 - c1)) + (c2 + c3)) - c4)
+- Code(Counter(2)) at (prev + 4, 13) to (start + 7, 14)
 - Code(Counter(3)) at (prev + 10, 13) to (start + 0, 15)
 - Code(Counter(4)) at (prev + 3, 1) to (start + 0, 2)
 
diff --git a/tests/coverage-map/status-quo/test_harness.cov-map b/tests/coverage-map/status-quo/test_harness.cov-map
index b0e955dd142..6940d2e2824 100644
--- a/tests/coverage-map/status-quo/test_harness.cov-map
+++ b/tests/coverage-map/status-quo/test_harness.cov-map
@@ -15,10 +15,10 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 9, 1) to (start + 0, 8)
 
 Function name: test_harness::unused (unused)
-Raw bytes (9): 0x[01, 01, 00, 01, 01, 07, 01, 00, 0f]
+Raw bytes (9): 0x[01, 01, 00, 01, 00, 07, 01, 00, 0f]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 1
-- Code(Counter(0)) at (prev + 7, 1) to (start + 0, 15)
+- Code(Zero) at (prev + 7, 1) to (start + 0, 15)
 
diff --git a/tests/coverage-map/status-quo/try_error_result.cov-map b/tests/coverage-map/status-quo/try_error_result.cov-map
index b52e78d1195..8367103a21a 100644
--- a/tests/coverage-map/status-quo/try_error_result.cov-map
+++ b/tests/coverage-map/status-quo/try_error_result.cov-map
@@ -91,136 +91,130 @@ Number of file 0 mappings: 11
     = ((c4 + (c5 + c6)) + c3)
 
 Function name: try_error_result::test2
-Raw bytes (373): 0x[01, 01, 41, 01, 07, 05, 09, 03, 0d, 41, 11, 52, 15, 41, 11, 4a, 1d, 4e, 19, 52, 15, 41, 11, 4e, 00, 52, 15, 41, 11, 4e, 19, 52, 15, 41, 11, 46, 00, 4a, 1d, 4e, 19, 52, 15, 41, 11, 6a, 25, 49, 21, 49, 21, 66, 00, 6a, 25, 49, 21, 9a, 01, 2d, 9e, 01, 29, a2, 01, 41, 03, 0d, a2, 01, 41, 03, 0d, 9e, 01, 29, a2, 01, 41, 03, 0d, 96, 01, 00, 9a, 01, 2d, 9e, 01, 29, a2, 01, 41, 03, 0d, ba, 01, 35, 45, 31, 45, 31, b6, 01, 00, ba, 01, 35, 45, 31, d2, 01, 3d, 4d, 39, 4d, 39, ce, 01, 00, d2, 01, 3d, 4d, 39, db, 01, 0d, 11, df, 01, e3, 01, f3, 01, 15, e7, 01, eb, 01, ef, 01, 19, 1d, 21, 25, f7, 01, fb, 01, 29, 2d, ff, 01, 83, 02, 31, 35, 39, 3d, 28, 01, 3c, 01, 03, 17, 03, 08, 09, 00, 0e, a2, 01, 02, 09, 04, 1a, 41, 06, 0d, 00, 2f, 11, 00, 2f, 00, 30, 52, 00, 31, 03, 35, 15, 04, 11, 00, 12, 4e, 02, 11, 04, 12, 46, 05, 11, 00, 14, 2b, 00, 17, 00, 41, 19, 00, 41, 00, 42, 4a, 00, 43, 00, 5f, 1d, 00, 5f, 00, 60, 43, 01, 0d, 00, 20, 66, 01, 11, 00, 14, 49, 00, 17, 00, 41, 21, 00, 41, 00, 42, 6a, 00, 43, 00, 60, 25, 00, 60, 00, 61, 63, 01, 0d, 00, 20, 96, 01, 04, 11, 00, 14, 9e, 01, 00, 17, 00, 42, 29, 00, 42, 00, 43, 9a, 01, 00, 44, 00, 61, 2d, 00, 61, 00, 62, 93, 01, 01, 0d, 00, 20, b6, 01, 01, 11, 00, 14, 45, 00, 17, 01, 36, 31, 01, 36, 00, 37, ba, 01, 01, 12, 00, 2f, 35, 00, 2f, 00, 30, b3, 01, 01, 0d, 00, 20, ce, 01, 01, 11, 00, 14, 4d, 00, 17, 01, 36, 39, 02, 11, 00, 12, d2, 01, 01, 12, 00, 2f, 3d, 01, 11, 00, 12, cb, 01, 02, 0d, 00, 20, 0d, 03, 05, 00, 0b, d7, 01, 01, 01, 00, 02]
+Raw bytes (358): 0x[01, 01, 3b, 01, 07, 05, 09, 03, 0d, 41, 11, 4a, 15, 41, 11, 42, 1d, 46, 19, 4a, 15, 41, 11, 4a, 15, 41, 11, 46, 19, 4a, 15, 41, 11, 42, 1d, 46, 19, 4a, 15, 41, 11, 5e, 25, 49, 21, 49, 21, 5e, 25, 49, 21, 8a, 01, 2d, 8e, 01, 29, 92, 01, 41, 03, 0d, 92, 01, 41, 03, 0d, 8e, 01, 29, 92, 01, 41, 03, 0d, 8a, 01, 2d, 8e, 01, 29, 92, 01, 41, 03, 0d, a6, 01, 35, 45, 31, 45, 31, a6, 01, 35, 45, 31, ba, 01, 3d, 4d, 39, 4d, 39, ba, 01, 3d, 4d, 39, c3, 01, 0d, 11, c7, 01, cb, 01, db, 01, 15, cf, 01, d3, 01, d7, 01, 19, 1d, 21, 25, df, 01, e3, 01, 29, 2d, e7, 01, eb, 01, 31, 35, 39, 3d, 28, 01, 3c, 01, 03, 17, 03, 08, 09, 00, 0e, 92, 01, 02, 09, 04, 1a, 41, 06, 0d, 00, 2f, 11, 00, 2f, 00, 30, 4a, 00, 31, 03, 35, 15, 04, 11, 00, 12, 46, 02, 11, 04, 12, 3e, 05, 11, 00, 14, 46, 00, 17, 00, 41, 19, 00, 41, 00, 42, 42, 00, 43, 00, 5f, 1d, 00, 5f, 00, 60, 3e, 01, 0d, 00, 20, 5a, 01, 11, 00, 14, 49, 00, 17, 00, 41, 21, 00, 41, 00, 42, 5e, 00, 43, 00, 60, 25, 00, 60, 00, 61, 5a, 01, 0d, 00, 20, 86, 01, 04, 11, 00, 14, 8e, 01, 00, 17, 00, 42, 29, 00, 42, 00, 43, 8a, 01, 00, 44, 00, 61, 2d, 00, 61, 00, 62, 86, 01, 01, 0d, 00, 20, a2, 01, 01, 11, 00, 14, 45, 00, 17, 01, 36, 31, 01, 36, 00, 37, a6, 01, 01, 12, 00, 2f, 35, 00, 2f, 00, 30, a2, 01, 01, 0d, 00, 20, b6, 01, 01, 11, 00, 14, 4d, 00, 17, 01, 36, 39, 02, 11, 00, 12, ba, 01, 01, 12, 00, 2f, 3d, 01, 11, 00, 12, b6, 01, 02, 0d, 00, 20, 0d, 03, 05, 00, 0b, bf, 01, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 65
+Number of expressions: 59
 - expression 0 operands: lhs = Counter(0), rhs = Expression(1, Add)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
 - expression 3 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 4 operands: lhs = Expression(20, Sub), rhs = Counter(5)
+- expression 4 operands: lhs = Expression(18, Sub), rhs = Counter(5)
 - expression 5 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 6 operands: lhs = Expression(18, Sub), rhs = Counter(7)
-- expression 7 operands: lhs = Expression(19, Sub), rhs = Counter(6)
-- expression 8 operands: lhs = Expression(20, Sub), rhs = Counter(5)
+- expression 6 operands: lhs = Expression(16, Sub), rhs = Counter(7)
+- expression 7 operands: lhs = Expression(17, Sub), rhs = Counter(6)
+- expression 8 operands: lhs = Expression(18, Sub), rhs = Counter(5)
 - expression 9 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 10 operands: lhs = Expression(19, Sub), rhs = Zero
-- expression 11 operands: lhs = Expression(20, Sub), rhs = Counter(5)
-- expression 12 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 13 operands: lhs = Expression(19, Sub), rhs = Counter(6)
-- expression 14 operands: lhs = Expression(20, Sub), rhs = Counter(5)
-- expression 15 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 16 operands: lhs = Expression(17, Sub), rhs = Zero
-- expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(7)
-- expression 18 operands: lhs = Expression(19, Sub), rhs = Counter(6)
-- expression 19 operands: lhs = Expression(20, Sub), rhs = Counter(5)
-- expression 20 operands: lhs = Counter(16), rhs = Counter(4)
-- expression 21 operands: lhs = Expression(26, Sub), rhs = Counter(9)
-- expression 22 operands: lhs = Counter(18), rhs = Counter(8)
+- expression 10 operands: lhs = Expression(18, Sub), rhs = Counter(5)
+- expression 11 operands: lhs = Counter(16), rhs = Counter(4)
+- expression 12 operands: lhs = Expression(17, Sub), rhs = Counter(6)
+- expression 13 operands: lhs = Expression(18, Sub), rhs = Counter(5)
+- expression 14 operands: lhs = Counter(16), rhs = Counter(4)
+- expression 15 operands: lhs = Expression(16, Sub), rhs = Counter(7)
+- expression 16 operands: lhs = Expression(17, Sub), rhs = Counter(6)
+- expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(5)
+- expression 18 operands: lhs = Counter(16), rhs = Counter(4)
+- expression 19 operands: lhs = Expression(23, Sub), rhs = Counter(9)
+- expression 20 operands: lhs = Counter(18), rhs = Counter(8)
+- expression 21 operands: lhs = Counter(18), rhs = Counter(8)
+- expression 22 operands: lhs = Expression(23, Sub), rhs = Counter(9)
 - expression 23 operands: lhs = Counter(18), rhs = Counter(8)
-- expression 24 operands: lhs = Expression(25, Sub), rhs = Zero
-- expression 25 operands: lhs = Expression(26, Sub), rhs = Counter(9)
-- expression 26 operands: lhs = Counter(18), rhs = Counter(8)
-- expression 27 operands: lhs = Expression(38, Sub), rhs = Counter(11)
-- expression 28 operands: lhs = Expression(39, Sub), rhs = Counter(10)
-- expression 29 operands: lhs = Expression(40, Sub), rhs = Counter(16)
-- expression 30 operands: lhs = Expression(0, Add), rhs = Counter(3)
-- expression 31 operands: lhs = Expression(40, Sub), rhs = Counter(16)
+- expression 24 operands: lhs = Expression(34, Sub), rhs = Counter(11)
+- expression 25 operands: lhs = Expression(35, Sub), rhs = Counter(10)
+- expression 26 operands: lhs = Expression(36, Sub), rhs = Counter(16)
+- expression 27 operands: lhs = Expression(0, Add), rhs = Counter(3)
+- expression 28 operands: lhs = Expression(36, Sub), rhs = Counter(16)
+- expression 29 operands: lhs = Expression(0, Add), rhs = Counter(3)
+- expression 30 operands: lhs = Expression(35, Sub), rhs = Counter(10)
+- expression 31 operands: lhs = Expression(36, Sub), rhs = Counter(16)
 - expression 32 operands: lhs = Expression(0, Add), rhs = Counter(3)
-- expression 33 operands: lhs = Expression(39, Sub), rhs = Counter(10)
-- expression 34 operands: lhs = Expression(40, Sub), rhs = Counter(16)
-- expression 35 operands: lhs = Expression(0, Add), rhs = Counter(3)
-- expression 36 operands: lhs = Expression(37, Sub), rhs = Zero
-- expression 37 operands: lhs = Expression(38, Sub), rhs = Counter(11)
-- expression 38 operands: lhs = Expression(39, Sub), rhs = Counter(10)
-- expression 39 operands: lhs = Expression(40, Sub), rhs = Counter(16)
-- expression 40 operands: lhs = Expression(0, Add), rhs = Counter(3)
-- expression 41 operands: lhs = Expression(46, Sub), rhs = Counter(13)
-- expression 42 operands: lhs = Counter(17), rhs = Counter(12)
-- expression 43 operands: lhs = Counter(17), rhs = Counter(12)
-- expression 44 operands: lhs = Expression(45, Sub), rhs = Zero
-- expression 45 operands: lhs = Expression(46, Sub), rhs = Counter(13)
-- expression 46 operands: lhs = Counter(17), rhs = Counter(12)
-- expression 47 operands: lhs = Expression(52, Sub), rhs = Counter(15)
-- expression 48 operands: lhs = Counter(19), rhs = Counter(14)
-- expression 49 operands: lhs = Counter(19), rhs = Counter(14)
-- expression 50 operands: lhs = Expression(51, Sub), rhs = Zero
-- expression 51 operands: lhs = Expression(52, Sub), rhs = Counter(15)
-- expression 52 operands: lhs = Counter(19), rhs = Counter(14)
-- expression 53 operands: lhs = Expression(54, Add), rhs = Counter(3)
-- expression 54 operands: lhs = Counter(4), rhs = Expression(55, Add)
-- expression 55 operands: lhs = Expression(56, Add), rhs = Expression(60, Add)
-- expression 56 operands: lhs = Counter(5), rhs = Expression(57, Add)
-- expression 57 operands: lhs = Expression(58, Add), rhs = Expression(59, Add)
-- expression 58 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 59 operands: lhs = Counter(8), rhs = Counter(9)
-- expression 60 operands: lhs = Expression(61, Add), rhs = Expression(62, Add)
-- expression 61 operands: lhs = Counter(10), rhs = Counter(11)
-- expression 62 operands: lhs = Expression(63, Add), rhs = Expression(64, Add)
-- expression 63 operands: lhs = Counter(12), rhs = Counter(13)
-- expression 64 operands: lhs = Counter(14), rhs = Counter(15)
+- expression 33 operands: lhs = Expression(34, Sub), rhs = Counter(11)
+- expression 34 operands: lhs = Expression(35, Sub), rhs = Counter(10)
+- expression 35 operands: lhs = Expression(36, Sub), rhs = Counter(16)
+- expression 36 operands: lhs = Expression(0, Add), rhs = Counter(3)
+- expression 37 operands: lhs = Expression(41, Sub), rhs = Counter(13)
+- expression 38 operands: lhs = Counter(17), rhs = Counter(12)
+- expression 39 operands: lhs = Counter(17), rhs = Counter(12)
+- expression 40 operands: lhs = Expression(41, Sub), rhs = Counter(13)
+- expression 41 operands: lhs = Counter(17), rhs = Counter(12)
+- expression 42 operands: lhs = Expression(46, Sub), rhs = Counter(15)
+- expression 43 operands: lhs = Counter(19), rhs = Counter(14)
+- expression 44 operands: lhs = Counter(19), rhs = Counter(14)
+- expression 45 operands: lhs = Expression(46, Sub), rhs = Counter(15)
+- expression 46 operands: lhs = Counter(19), rhs = Counter(14)
+- expression 47 operands: lhs = Expression(48, Add), rhs = Counter(3)
+- expression 48 operands: lhs = Counter(4), rhs = Expression(49, Add)
+- expression 49 operands: lhs = Expression(50, Add), rhs = Expression(54, Add)
+- expression 50 operands: lhs = Counter(5), rhs = Expression(51, Add)
+- expression 51 operands: lhs = Expression(52, Add), rhs = Expression(53, Add)
+- expression 52 operands: lhs = Counter(6), rhs = Counter(7)
+- expression 53 operands: lhs = Counter(8), rhs = Counter(9)
+- expression 54 operands: lhs = Expression(55, Add), rhs = Expression(56, Add)
+- expression 55 operands: lhs = Counter(10), rhs = Counter(11)
+- expression 56 operands: lhs = Expression(57, Add), rhs = Expression(58, Add)
+- expression 57 operands: lhs = Counter(12), rhs = Counter(13)
+- expression 58 operands: lhs = Counter(14), rhs = Counter(15)
 Number of file 0 mappings: 40
 - Code(Counter(0)) at (prev + 60, 1) to (start + 3, 23)
 - Code(Expression(0, Add)) at (prev + 8, 9) to (start + 0, 14)
     = (c0 + (c1 + c2))
-- Code(Expression(40, Sub)) at (prev + 2, 9) to (start + 4, 26)
+- Code(Expression(36, Sub)) at (prev + 2, 9) to (start + 4, 26)
     = ((c0 + (c1 + c2)) - c3)
 - Code(Counter(16)) at (prev + 6, 13) to (start + 0, 47)
 - Code(Counter(4)) at (prev + 0, 47) to (start + 0, 48)
-- Code(Expression(20, Sub)) at (prev + 0, 49) to (start + 3, 53)
+- Code(Expression(18, Sub)) at (prev + 0, 49) to (start + 3, 53)
     = (c16 - c4)
 - Code(Counter(5)) at (prev + 4, 17) to (start + 0, 18)
-- Code(Expression(19, Sub)) at (prev + 2, 17) to (start + 4, 18)
+- Code(Expression(17, Sub)) at (prev + 2, 17) to (start + 4, 18)
     = ((c16 - c4) - c5)
-- Code(Expression(17, Sub)) at (prev + 5, 17) to (start + 0, 20)
+- Code(Expression(15, Sub)) at (prev + 5, 17) to (start + 0, 20)
     = ((((c16 - c4) - c5) - c6) - c7)
-- Code(Expression(10, Add)) at (prev + 0, 23) to (start + 0, 65)
-    = (((c16 - c4) - c5) + Zero)
+- Code(Expression(17, Sub)) at (prev + 0, 23) to (start + 0, 65)
+    = ((c16 - c4) - c5)
 - Code(Counter(6)) at (prev + 0, 65) to (start + 0, 66)
-- Code(Expression(18, Sub)) at (prev + 0, 67) to (start + 0, 95)
+- Code(Expression(16, Sub)) at (prev + 0, 67) to (start + 0, 95)
     = (((c16 - c4) - c5) - c6)
 - Code(Counter(7)) at (prev + 0, 95) to (start + 0, 96)
-- Code(Expression(16, Add)) at (prev + 1, 13) to (start + 0, 32)
-    = (((((c16 - c4) - c5) - c6) - c7) + Zero)
-- Code(Expression(25, Sub)) at (prev + 1, 17) to (start + 0, 20)
+- Code(Expression(15, Sub)) at (prev + 1, 13) to (start + 0, 32)
+    = ((((c16 - c4) - c5) - c6) - c7)
+- Code(Expression(22, Sub)) at (prev + 1, 17) to (start + 0, 20)
     = ((c18 - c8) - c9)
 - Code(Counter(18)) at (prev + 0, 23) to (start + 0, 65)
 - Code(Counter(8)) at (prev + 0, 65) to (start + 0, 66)
-- Code(Expression(26, Sub)) at (prev + 0, 67) to (start + 0, 96)
+- Code(Expression(23, Sub)) at (prev + 0, 67) to (start + 0, 96)
     = (c18 - c8)
 - Code(Counter(9)) at (prev + 0, 96) to (start + 0, 97)
-- Code(Expression(24, Add)) at (prev + 1, 13) to (start + 0, 32)
-    = (((c18 - c8) - c9) + Zero)
-- Code(Expression(37, Sub)) at (prev + 4, 17) to (start + 0, 20)
+- Code(Expression(22, Sub)) at (prev + 1, 13) to (start + 0, 32)
+    = ((c18 - c8) - c9)
+- Code(Expression(33, Sub)) at (prev + 4, 17) to (start + 0, 20)
     = (((((c0 + (c1 + c2)) - c3) - c16) - c10) - c11)
-- Code(Expression(39, Sub)) at (prev + 0, 23) to (start + 0, 66)
+- Code(Expression(35, Sub)) at (prev + 0, 23) to (start + 0, 66)
     = (((c0 + (c1 + c2)) - c3) - c16)
 - Code(Counter(10)) at (prev + 0, 66) to (start + 0, 67)
-- Code(Expression(38, Sub)) at (prev + 0, 68) to (start + 0, 97)
+- Code(Expression(34, Sub)) at (prev + 0, 68) to (start + 0, 97)
     = ((((c0 + (c1 + c2)) - c3) - c16) - c10)
 - Code(Counter(11)) at (prev + 0, 97) to (start + 0, 98)
-- Code(Expression(36, Add)) at (prev + 1, 13) to (start + 0, 32)
-    = ((((((c0 + (c1 + c2)) - c3) - c16) - c10) - c11) + Zero)
-- Code(Expression(45, Sub)) at (prev + 1, 17) to (start + 0, 20)
+- Code(Expression(33, Sub)) at (prev + 1, 13) to (start + 0, 32)
+    = (((((c0 + (c1 + c2)) - c3) - c16) - c10) - c11)
+- Code(Expression(40, Sub)) at (prev + 1, 17) to (start + 0, 20)
     = ((c17 - c12) - c13)
 - Code(Counter(17)) at (prev + 0, 23) to (start + 1, 54)
 - Code(Counter(12)) at (prev + 1, 54) to (start + 0, 55)
-- Code(Expression(46, Sub)) at (prev + 1, 18) to (start + 0, 47)
+- Code(Expression(41, Sub)) at (prev + 1, 18) to (start + 0, 47)
     = (c17 - c12)
 - Code(Counter(13)) at (prev + 0, 47) to (start + 0, 48)
-- Code(Expression(44, Add)) at (prev + 1, 13) to (start + 0, 32)
-    = (((c17 - c12) - c13) + Zero)
-- Code(Expression(51, Sub)) at (prev + 1, 17) to (start + 0, 20)
+- Code(Expression(40, Sub)) at (prev + 1, 13) to (start + 0, 32)
+    = ((c17 - c12) - c13)
+- Code(Expression(45, Sub)) at (prev + 1, 17) to (start + 0, 20)
     = ((c19 - c14) - c15)
 - Code(Counter(19)) at (prev + 0, 23) to (start + 1, 54)
 - Code(Counter(14)) at (prev + 2, 17) to (start + 0, 18)
-- Code(Expression(52, Sub)) at (prev + 1, 18) to (start + 0, 47)
+- Code(Expression(46, Sub)) at (prev + 1, 18) to (start + 0, 47)
     = (c19 - c14)
 - Code(Counter(15)) at (prev + 1, 17) to (start + 0, 18)
-- Code(Expression(50, Add)) at (prev + 2, 13) to (start + 0, 32)
-    = (((c19 - c14) - c15) + Zero)
+- Code(Expression(45, Sub)) at (prev + 2, 13) to (start + 0, 32)
+    = ((c19 - c14) - c15)
 - Code(Counter(3)) at (prev + 3, 5) to (start + 0, 11)
-- Code(Expression(53, Add)) at (prev + 1, 1) to (start + 0, 2)
+- Code(Expression(47, Add)) at (prev + 1, 1) to (start + 0, 2)
     = ((c4 + ((c5 + ((c6 + c7) + (c8 + c9))) + ((c10 + c11) + ((c12 + c13) + (c14 + c15))))) + c3)
 
diff --git a/tests/coverage-map/status-quo/unused.cov-map b/tests/coverage-map/status-quo/unused.cov-map
index c8b8f195fbd..9383d1e90ac 100644
--- a/tests/coverage-map/status-quo/unused.cov-map
+++ b/tests/coverage-map/status-quo/unused.cov-map
@@ -47,45 +47,45 @@ Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 37, 1) to (start + 4, 2)
 
 Function name: unused::unused_func (unused)
-Raw bytes (24): 0x[01, 01, 00, 04, 01, 13, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
+Raw bytes (24): 0x[01, 01, 00, 04, 00, 13, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 19, 1) to (start + 1, 14)
+- Code(Zero) at (prev + 19, 1) to (start + 1, 14)
 - Code(Zero) at (prev + 1, 15) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Zero) at (prev + 1, 1) to (start + 0, 2)
 
 Function name: unused::unused_func2 (unused)
-Raw bytes (24): 0x[01, 01, 00, 04, 01, 19, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
+Raw bytes (24): 0x[01, 01, 00, 04, 00, 19, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 25, 1) to (start + 1, 14)
+- Code(Zero) at (prev + 25, 1) to (start + 1, 14)
 - Code(Zero) at (prev + 1, 15) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Zero) at (prev + 1, 1) to (start + 0, 2)
 
 Function name: unused::unused_func3 (unused)
-Raw bytes (24): 0x[01, 01, 00, 04, 01, 1f, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
+Raw bytes (24): 0x[01, 01, 00, 04, 00, 1f, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 4
-- Code(Counter(0)) at (prev + 31, 1) to (start + 1, 14)
+- Code(Zero) at (prev + 31, 1) to (start + 1, 14)
 - Code(Zero) at (prev + 1, 15) to (start + 2, 6)
 - Code(Zero) at (prev + 2, 6) to (start + 0, 7)
 - Code(Zero) at (prev + 1, 1) to (start + 0, 2)
 
 Function name: unused::unused_template_func::<_> (unused)
-Raw bytes (34): 0x[01, 01, 00, 06, 01, 0b, 01, 01, 12, 00, 02, 0b, 00, 11, 00, 01, 09, 00, 0f, 00, 00, 13, 00, 19, 00, 01, 09, 00, 0f, 00, 02, 01, 00, 02]
+Raw bytes (34): 0x[01, 01, 00, 06, 00, 0b, 01, 01, 12, 00, 02, 0b, 00, 11, 00, 01, 09, 00, 0f, 00, 00, 13, 00, 19, 00, 01, 09, 00, 0f, 00, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
 Number of expressions: 0
 Number of file 0 mappings: 6
-- Code(Counter(0)) at (prev + 11, 1) to (start + 1, 18)
+- Code(Zero) at (prev + 11, 1) to (start + 1, 18)
 - Code(Zero) at (prev + 2, 11) to (start + 0, 17)
 - Code(Zero) at (prev + 1, 9) to (start + 0, 15)
 - Code(Zero) at (prev + 0, 19) to (start + 0, 25)
diff --git a/tests/coverage-map/status-quo/yield.cov-map b/tests/coverage-map/status-quo/yield.cov-map
index 16caa2db343..c9c9709fa4f 100644
--- a/tests/coverage-map/status-quo/yield.cov-map
+++ b/tests/coverage-map/status-quo/yield.cov-map
@@ -1,54 +1,44 @@
 Function name: yield::main
-Raw bytes (118): 0x[01, 01, 11, 01, 00, 05, 09, 0d, 00, 0d, 11, 32, 15, 0d, 11, 11, 15, 2e, 00, 32, 15, 0d, 11, 2e, 00, 32, 15, 0d, 11, 19, 1d, 21, 00, 25, 29, 2d, 00, 10, 01, 07, 01, 01, 16, 03, 06, 0b, 00, 2e, 0d, 01, 27, 00, 29, 07, 01, 0e, 00, 34, 0b, 02, 0b, 00, 2e, 32, 01, 22, 00, 27, 2e, 00, 2c, 00, 2e, 1b, 01, 0e, 00, 34, 1f, 03, 09, 00, 16, 2b, 07, 0b, 00, 2e, 21, 01, 27, 00, 29, 37, 01, 0e, 00, 34, 3b, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 3f, 01, 0e, 00, 34, 43, 02, 01, 00, 02]
+Raw bytes (106): 0x[01, 01, 0b, 05, 09, 0d, 11, 22, 15, 0d, 11, 11, 15, 22, 15, 0d, 11, 22, 15, 0d, 11, 19, 1d, 25, 29, 10, 01, 07, 01, 01, 16, 01, 06, 0b, 00, 2e, 0d, 01, 27, 00, 29, 03, 01, 0e, 00, 34, 0d, 02, 0b, 00, 2e, 22, 01, 22, 00, 27, 1e, 00, 2c, 00, 2e, 13, 01, 0e, 00, 34, 1e, 03, 09, 00, 16, 1e, 07, 0b, 00, 2e, 21, 01, 27, 00, 29, 27, 01, 0e, 00, 34, 21, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 2b, 01, 0e, 00, 34, 2d, 02, 01, 00, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 17
-- expression 0 operands: lhs = Counter(0), rhs = Zero
-- expression 1 operands: lhs = Counter(1), rhs = Counter(2)
-- expression 2 operands: lhs = Counter(3), rhs = Zero
+Number of expressions: 11
+- expression 0 operands: lhs = Counter(1), rhs = Counter(2)
+- expression 1 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 2 operands: lhs = Expression(8, Sub), rhs = Counter(5)
 - expression 3 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 4 operands: lhs = Expression(12, Sub), rhs = Counter(5)
-- expression 5 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 6 operands: lhs = Counter(4), rhs = Counter(5)
-- expression 7 operands: lhs = Expression(11, Sub), rhs = Zero
-- expression 8 operands: lhs = Expression(12, Sub), rhs = Counter(5)
-- expression 9 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 10 operands: lhs = Expression(11, Sub), rhs = Zero
-- expression 11 operands: lhs = Expression(12, Sub), rhs = Counter(5)
-- expression 12 operands: lhs = Counter(3), rhs = Counter(4)
-- expression 13 operands: lhs = Counter(6), rhs = Counter(7)
-- expression 14 operands: lhs = Counter(8), rhs = Zero
-- expression 15 operands: lhs = Counter(9), rhs = Counter(10)
-- expression 16 operands: lhs = Counter(11), rhs = Zero
+- expression 4 operands: lhs = Counter(4), rhs = Counter(5)
+- expression 5 operands: lhs = Expression(8, Sub), rhs = Counter(5)
+- expression 6 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(5)
+- expression 8 operands: lhs = Counter(3), rhs = Counter(4)
+- expression 9 operands: lhs = Counter(6), rhs = Counter(7)
+- expression 10 operands: lhs = Counter(9), rhs = Counter(10)
 Number of file 0 mappings: 16
 - Code(Counter(0)) at (prev + 7, 1) to (start + 1, 22)
-- Code(Expression(0, Add)) at (prev + 6, 11) to (start + 0, 46)
-    = (c0 + Zero)
+- Code(Counter(0)) at (prev + 6, 11) to (start + 0, 46)
 - Code(Counter(3)) at (prev + 1, 39) to (start + 0, 41)
-- Code(Expression(1, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c1 + c2)
-- Code(Expression(2, Add)) at (prev + 2, 11) to (start + 0, 46)
-    = (c3 + Zero)
-- Code(Expression(12, Sub)) at (prev + 1, 34) to (start + 0, 39)
+- Code(Counter(3)) at (prev + 2, 11) to (start + 0, 46)
+- Code(Expression(8, Sub)) at (prev + 1, 34) to (start + 0, 39)
     = (c3 - c4)
-- Code(Expression(11, Sub)) at (prev + 0, 44) to (start + 0, 46)
+- Code(Expression(7, Sub)) at (prev + 0, 44) to (start + 0, 46)
     = ((c3 - c4) - c5)
-- Code(Expression(6, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(4, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c4 + c5)
-- Code(Expression(7, Add)) at (prev + 3, 9) to (start + 0, 22)
-    = (((c3 - c4) - c5) + Zero)
-- Code(Expression(10, Add)) at (prev + 7, 11) to (start + 0, 46)
-    = (((c3 - c4) - c5) + Zero)
+- Code(Expression(7, Sub)) at (prev + 3, 9) to (start + 0, 22)
+    = ((c3 - c4) - c5)
+- Code(Expression(7, Sub)) at (prev + 7, 11) to (start + 0, 46)
+    = ((c3 - c4) - c5)
 - Code(Counter(8)) at (prev + 1, 39) to (start + 0, 41)
-- Code(Expression(13, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(9, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c6 + c7)
-- Code(Expression(14, Add)) at (prev + 2, 11) to (start + 0, 46)
-    = (c8 + Zero)
+- Code(Counter(8)) at (prev + 2, 11) to (start + 0, 46)
 - Code(Counter(11)) at (prev + 1, 39) to (start + 0, 41)
-- Code(Expression(15, Add)) at (prev + 1, 14) to (start + 0, 52)
+- Code(Expression(10, Add)) at (prev + 1, 14) to (start + 0, 52)
     = (c9 + c10)
-- Code(Expression(16, Add)) at (prev + 2, 1) to (start + 0, 2)
-    = (c11 + Zero)
+- Code(Counter(11)) at (prev + 2, 1) to (start + 0, 2)
 
 Function name: yield::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 1c, 01, 10, 05, 02, 10, 01, 06]
diff --git a/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff
index 6779003b693..4a816e024c5 100644
--- a/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff
+++ b/tests/mir-opt/inline/inline_generator.main.Inline.panic-abort.diff
@@ -7,11 +7,12 @@
       let mut _2: std::pin::Pin<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>;
       let mut _3: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
       let mut _4: {generator@$DIR/inline_generator.rs:16:5: 16:8};
-+     let mut _5: bool;
++     let mut _6: bool;
       scope 1 {
           debug _r => _1;
       }
 +     scope 2 (inlined g) {
++         let mut _5: {generator@$DIR/inline_generator.rs:16:5: 16:8};
 +     }
 +     scope 3 (inlined Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>::new) {
 +         debug pointer => _3;
@@ -22,10 +23,10 @@
 +         }
 +     }
 +     scope 6 (inlined g::{closure#0}) {
-+         debug a => _5;
-+         let mut _6: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
-+         let mut _7: u32;
-+         let mut _8: i32;
++         debug a => _6;
++         let mut _7: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
++         let mut _8: u32;
++         let mut _9: i32;
 +     }
   
       bb0: {
@@ -34,21 +35,24 @@
           StorageLive(_3);
           StorageLive(_4);
 -         _4 = g() -> [return: bb1, unwind unreachable];
-+         _4 = {generator@$DIR/inline_generator.rs:16:5: 16:8 (#0)};
++         StorageLive(_5);
++         _5 = {generator@$DIR/inline_generator.rs:16:5: 16:8 (#0)};
++         _4 = move (_5 as subtype {generator@$DIR/inline_generator.rs:16:5: 16:8});
++         StorageDead(_5);
 +         _3 = &mut _4;
 +         _2 = Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}> { pointer: move _3 };
 +         StorageDead(_3);
-+         StorageLive(_5);
-+         _5 = const false;
-+         _6 = (_2.0: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8});
-+         _7 = discriminant((*_6));
-+         switchInt(move _7) -> [0: bb3, 1: bb7, 3: bb8, otherwise: bb9];
++         StorageLive(_6);
++         _6 = const false;
++         _7 = (_2.0: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8});
++         _8 = discriminant((*_7));
++         switchInt(move _8) -> [0: bb3, 1: bb7, 3: bb8, otherwise: bb9];
       }
   
       bb1: {
 -         _3 = &mut _4;
 -         _2 = Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>::new(move _3) -> [return: bb2, unwind unreachable];
-+         StorageDead(_5);
++         StorageDead(_6);
 +         StorageDead(_2);
 +         drop(_4) -> [return: bb2, unwind unreachable];
       }
@@ -65,8 +69,8 @@
       bb3: {
 -         StorageDead(_2);
 -         drop(_4) -> [return: bb4, unwind unreachable];
-+         StorageLive(_8);
-+         switchInt(_5) -> [0: bb4, otherwise: bb5];
++         StorageLive(_9);
++         switchInt(_6) -> [0: bb4, otherwise: bb5];
       }
   
       bb4: {
@@ -74,18 +78,18 @@
 -         _0 = const ();
 -         StorageDead(_1);
 -         return;
-+         _8 = const 13_i32;
++         _9 = const 13_i32;
 +         goto -> bb6;
 +     }
 + 
 +     bb5: {
-+         _8 = const 7_i32;
++         _9 = const 7_i32;
 +         goto -> bb6;
 +     }
 + 
 +     bb6: {
-+         _1 = GeneratorState::<i32, bool>::Yielded(move _8);
-+         discriminant((*_6)) = 3;
++         _1 = GeneratorState::<i32, bool>::Yielded(move _9);
++         discriminant((*_7)) = 3;
 +         goto -> bb1;
 +     }
 + 
@@ -94,10 +98,10 @@
 +     }
 + 
 +     bb8: {
-+         StorageLive(_8);
-+         StorageDead(_8);
-+         _1 = GeneratorState::<i32, bool>::Complete(_5);
-+         discriminant((*_6)) = 1;
++         StorageLive(_9);
++         StorageDead(_9);
++         _1 = GeneratorState::<i32, bool>::Complete(_6);
++         discriminant((*_7)) = 1;
 +         goto -> bb1;
 +     }
 + 
diff --git a/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff b/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff
index 31744be99ec..2b910cd6543 100644
--- a/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff
+++ b/tests/mir-opt/inline/inline_generator.main.Inline.panic-unwind.diff
@@ -7,11 +7,12 @@
       let mut _2: std::pin::Pin<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>;
       let mut _3: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
       let mut _4: {generator@$DIR/inline_generator.rs:16:5: 16:8};
-+     let mut _5: bool;
++     let mut _6: bool;
       scope 1 {
           debug _r => _1;
       }
 +     scope 2 (inlined g) {
++         let mut _5: {generator@$DIR/inline_generator.rs:16:5: 16:8};
 +     }
 +     scope 3 (inlined Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>::new) {
 +         debug pointer => _3;
@@ -22,10 +23,10 @@
 +         }
 +     }
 +     scope 6 (inlined g::{closure#0}) {
-+         debug a => _5;
-+         let mut _6: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
-+         let mut _7: u32;
-+         let mut _8: i32;
++         debug a => _6;
++         let mut _7: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8};
++         let mut _8: u32;
++         let mut _9: i32;
 +     }
   
       bb0: {
@@ -37,7 +38,10 @@
 -     }
 - 
 -     bb1: {
-+         _4 = {generator@$DIR/inline_generator.rs:16:5: 16:8 (#0)};
++         StorageLive(_5);
++         _5 = {generator@$DIR/inline_generator.rs:16:5: 16:8 (#0)};
++         _4 = move (_5 as subtype {generator@$DIR/inline_generator.rs:16:5: 16:8});
++         StorageDead(_5);
           _3 = &mut _4;
 -         _2 = Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}>::new(move _3) -> [return: bb2, unwind: bb5];
 -     }
@@ -46,16 +50,16 @@
 +         _2 = Pin::<&mut {generator@$DIR/inline_generator.rs:16:5: 16:8}> { pointer: move _3 };
           StorageDead(_3);
 -         _1 = <{generator@$DIR/inline_generator.rs:16:5: 16:8} as Generator<bool>>::resume(move _2, const false) -> [return: bb3, unwind: bb5];
-+         StorageLive(_5);
-+         _5 = const false;
-+         _6 = (_2.0: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8});
-+         _7 = discriminant((*_6));
-+         switchInt(move _7) -> [0: bb5, 1: bb9, 3: bb10, otherwise: bb11];
++         StorageLive(_6);
++         _6 = const false;
++         _7 = (_2.0: &mut {generator@$DIR/inline_generator.rs:16:5: 16:8});
++         _8 = discriminant((*_7));
++         switchInt(move _8) -> [0: bb5, 1: bb9, 3: bb10, otherwise: bb11];
       }
   
 -     bb3: {
 +     bb1: {
-+         StorageDead(_5);
++         StorageDead(_6);
           StorageDead(_2);
 -         drop(_4) -> [return: bb4, unwind: bb6];
 +         drop(_4) -> [return: bb2, unwind: bb4];
@@ -81,23 +85,23 @@
 +     }
 + 
 +     bb5: {
-+         StorageLive(_8);
-+         switchInt(_5) -> [0: bb6, otherwise: bb7];
++         StorageLive(_9);
++         switchInt(_6) -> [0: bb6, otherwise: bb7];
 +     }
 + 
 +     bb6: {
-+         _8 = const 13_i32;
++         _9 = const 13_i32;
 +         goto -> bb8;
 +     }
 + 
 +     bb7: {
-+         _8 = const 7_i32;
++         _9 = const 7_i32;
 +         goto -> bb8;
 +     }
 + 
 +     bb8: {
-+         _1 = GeneratorState::<i32, bool>::Yielded(move _8);
-+         discriminant((*_6)) = 3;
++         _1 = GeneratorState::<i32, bool>::Yielded(move _9);
++         discriminant((*_7)) = 3;
 +         goto -> bb1;
 +     }
 + 
@@ -106,10 +110,10 @@
 +     }
 + 
 +     bb10: {
-+         StorageLive(_8);
-+         StorageDead(_8);
-+         _1 = GeneratorState::<i32, bool>::Complete(_5);
-+         discriminant((*_6)) = 1;
++         StorageLive(_9);
++         StorageDead(_9);
++         _1 = GeneratorState::<i32, bool>::Complete(_6);
++         discriminant((*_7)) = 1;
 +         goto -> bb1;
 +     }
 + 
diff --git a/tests/mir-opt/instrument_coverage.bar.InstrumentCoverage.diff b/tests/mir-opt/instrument_coverage.bar.InstrumentCoverage.diff
index afcfde09c02..28a7ffda371 100644
--- a/tests/mir-opt/instrument_coverage.bar.InstrumentCoverage.diff
+++ b/tests/mir-opt/instrument_coverage.bar.InstrumentCoverage.diff
@@ -5,7 +5,7 @@
       let mut _0: bool;
   
       bb0: {
-+         Coverage::Counter(0) for /the/src/instrument_coverage.rs:20:1 - 22:2;
++         Coverage::Counter(0) for [/the/src/instrument_coverage.rs:20:1 - 22:2];
           _0 = const true;
           return;
       }
diff --git a/tests/mir-opt/instrument_coverage.main.InstrumentCoverage.diff b/tests/mir-opt/instrument_coverage.main.InstrumentCoverage.diff
index e17c6ddc56e..9a8caa26307 100644
--- a/tests/mir-opt/instrument_coverage.main.InstrumentCoverage.diff
+++ b/tests/mir-opt/instrument_coverage.main.InstrumentCoverage.diff
@@ -8,12 +8,12 @@
       let mut _3: !;
   
       bb0: {
-+         Coverage::Counter(0) for /the/src/instrument_coverage.rs:11:1 - 11:11;
++         Coverage::Counter(0) for [/the/src/instrument_coverage.rs:11:1 - 11:11];
           goto -> bb1;
       }
   
       bb1: {
-+         Coverage::Expression(0) = Counter(0) + Counter(1) for /the/src/instrument_coverage.rs:12:5 - 13:17;
++         Coverage::Expression(0) = Counter(0) + Counter(1) for [/the/src/instrument_coverage.rs:12:5 - 13:17];
           falseUnwind -> [real: bb2, unwind: bb6];
       }
   
@@ -27,15 +27,14 @@
       }
   
       bb4: {
-+         Coverage::Expression(2) = Expression(1) + Zero for /the/src/instrument_coverage.rs:17:1 - 17:2;
-+         Coverage::Expression(1) = Expression(0) - Counter(1) for /the/src/instrument_coverage.rs:14:13 - 14:18;
++         Coverage::Expression(1) = Expression(0) - Counter(1) for [/the/src/instrument_coverage.rs:14:13 - 14:18, /the/src/instrument_coverage.rs:17:1 - 17:2];
           _0 = const ();
           StorageDead(_2);
           return;
       }
   
       bb5: {
-+         Coverage::Counter(1) for /the/src/instrument_coverage.rs:15:10 - 15:11;
++         Coverage::Counter(1) for [/the/src/instrument_coverage.rs:15:10 - 15:11];
           _1 = const ();
           StorageDead(_2);
           goto -> bb1;
diff --git a/tests/rustdoc/inline_cross/auxiliary/fn-type.rs b/tests/rustdoc/inline_cross/auxiliary/fn-type.rs
new file mode 100644
index 00000000000..dacda516bb8
--- /dev/null
+++ b/tests/rustdoc/inline_cross/auxiliary/fn-type.rs
@@ -0,0 +1 @@
+pub type F = for<'z, 'a, '_unused> fn(&'z for<'b> fn(&'b str), &'a ()) -> &'a ();
diff --git a/tests/rustdoc/inline_cross/auxiliary/impl_trait_aux.rs b/tests/rustdoc/inline_cross/auxiliary/impl_trait_aux.rs
index 42cfc3dc319..fa61312ebc8 100644
--- a/tests/rustdoc/inline_cross/auxiliary/impl_trait_aux.rs
+++ b/tests/rustdoc/inline_cross/auxiliary/impl_trait_aux.rs
@@ -15,7 +15,7 @@ pub fn func4<T: Iterator<Item = impl Clone>>(_x: T) {}
 
 pub fn func5(
     _f: impl for<'any> Fn(&'any str, &'any str) -> bool + for<'r> Other<T<'r> = ()>,
-    _a: impl for<'alpha, 'beta> Auxiliary<'alpha, Item<'beta> = fn(&'beta ())>,
+    _a: impl for<'beta, 'alpha, '_gamma> Auxiliary<'alpha, Item<'beta> = fn(&'beta ())>,
 ) {}
 
 pub trait Other {
diff --git a/tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs b/tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs
new file mode 100644
index 00000000000..9170be16892
--- /dev/null
+++ b/tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs
@@ -0,0 +1,10 @@
+#![feature(non_lifetime_binders)]
+
+pub trait Trait<T> {}
+
+pub fn f(_: impl for<T> Trait<T>) {}
+
+pub fn g<T>(_: T)
+where
+    T: for<U> Trait<U>,
+{}
diff --git a/tests/rustdoc/inline_cross/fn-type.rs b/tests/rustdoc/inline_cross/fn-type.rs
new file mode 100644
index 00000000000..e65790d3b05
--- /dev/null
+++ b/tests/rustdoc/inline_cross/fn-type.rs
@@ -0,0 +1,12 @@
+// Make sure that we print the higher-ranked parameters of cross-crate function pointer types.
+// They should be rendered exactly as the user wrote it, i.e., in source order and with unused
+// parameters present, not stripped.
+
+// aux-crate:fn_type=fn-type.rs
+// edition: 2021
+#![crate_name = "user"]
+
+// @has user/type.F.html
+// @has - '//*[@class="rust item-decl"]//code' \
+//     "for<'z, 'a, '_unused> fn(_: &'z for<'b> fn(_: &'b str), _: &'a ()) -> &'a ();"
+pub use fn_type::F;
diff --git a/tests/rustdoc/inline_cross/impl_trait.rs b/tests/rustdoc/inline_cross/impl_trait.rs
index 5c802c51486..9b22026e490 100644
--- a/tests/rustdoc/inline_cross/impl_trait.rs
+++ b/tests/rustdoc/inline_cross/impl_trait.rs
@@ -29,7 +29,7 @@ pub use impl_trait_aux::func4;
 // @has impl_trait/fn.func5.html
 // @has - '//pre[@class="rust item-decl"]' "func5("
 // @has - '//pre[@class="rust item-decl"]' "_f: impl for<'any> Fn(&'any str, &'any str) -> bool + for<'r> Other<T<'r> = ()>,"
-// @has - '//pre[@class="rust item-decl"]' "_a: impl for<'alpha, 'beta> Auxiliary<'alpha, Item<'beta> = fn(_: &'beta ())>"
+// @has - '//pre[@class="rust item-decl"]' "_a: impl for<'beta, 'alpha, '_gamma> Auxiliary<'alpha, Item<'beta> = fn(_: &'beta ())>"
 // @!has - '//pre[@class="rust item-decl"]' 'where'
 pub use impl_trait_aux::func5;
 
diff --git a/tests/rustdoc/inline_cross/non_lifetime_binders.rs b/tests/rustdoc/inline_cross/non_lifetime_binders.rs
new file mode 100644
index 00000000000..9d3085c3ef2
--- /dev/null
+++ b/tests/rustdoc/inline_cross/non_lifetime_binders.rs
@@ -0,0 +1,13 @@
+// aux-crate:non_lifetime_binders=non_lifetime_binders.rs
+// edition: 2021
+#![crate_name = "user"]
+
+// @has user/fn.f.html
+// @has - '//pre[@class="rust item-decl"]' "f(_: impl for<T> Trait<T>)"
+pub use non_lifetime_binders::f;
+
+// @has user/fn.g.html
+// @has - '//pre[@class="rust item-decl"]' "g<T>(_: T)\
+// where \
+//     T: for<U> Trait<U>"
+pub use non_lifetime_binders::g;
diff --git a/tests/ui/async-await/issue-108572.fixed b/tests/ui/async-await/issue-108572.fixed
new file mode 100644
index 00000000000..8f0133d97b5
--- /dev/null
+++ b/tests/ui/async-await/issue-108572.fixed
@@ -0,0 +1,16 @@
+// edition: 2021
+// run-rustfix
+#![allow(unused_must_use, dead_code)]
+
+use std::future::Future;
+fn foo() -> impl Future<Output=()> {
+    async { }
+}
+
+fn bar(cx: &mut std::task::Context<'_>) {
+    let fut = foo();
+    let mut pinned = std::pin::pin!(fut);
+    pinned.as_mut().poll(cx);
+    //~^ ERROR no method named `poll` found for opaque type `impl Future<Output = ()>` in the current scope [E0599]
+}
+fn main() {}
diff --git a/tests/ui/async-await/issue-108572.rs b/tests/ui/async-await/issue-108572.rs
index efcb8b8ebab..3596580763c 100644
--- a/tests/ui/async-await/issue-108572.rs
+++ b/tests/ui/async-await/issue-108572.rs
@@ -1,12 +1,15 @@
 // edition: 2021
+// run-rustfix
+#![allow(unused_must_use, dead_code)]
 
 use std::future::Future;
 fn foo() -> impl Future<Output=()> {
     async { }
 }
 
-fn main() {
+fn bar(cx: &mut std::task::Context<'_>) {
     let fut = foo();
-    fut.poll();
+    fut.poll(cx);
     //~^ ERROR no method named `poll` found for opaque type `impl Future<Output = ()>` in the current scope [E0599]
 }
+fn main() {}
diff --git a/tests/ui/async-await/issue-108572.stderr b/tests/ui/async-await/issue-108572.stderr
index 0dbcf4d660a..588669092b0 100644
--- a/tests/ui/async-await/issue-108572.stderr
+++ b/tests/ui/async-await/issue-108572.stderr
@@ -1,11 +1,16 @@
 error[E0599]: no method named `poll` found for opaque type `impl Future<Output = ()>` in the current scope
-  --> $DIR/issue-108572.rs:10:9
+  --> $DIR/issue-108572.rs:12:9
    |
-LL |     fut.poll();
+LL |     fut.poll(cx);
    |         ^^^^ method not found in `impl Future<Output = ()>`
    |
    = help: method `poll` found on `Pin<&mut impl Future<Output = ()>>`, see documentation for `std::pin::Pin`
    = help: self type must be pinned to call `Future::poll`, see https://rust-lang.github.io/async-book/04_pinning/01_chapter.html#pinning-in-practice
+help: consider pinning the expression
+   |
+LL ~     let mut pinned = std::pin::pin!(fut);
+LL ~     pinned.as_mut().poll(cx);
+   |
 
 error: aborting due to previous error
 
diff --git a/tests/ui/async-await/pin-needed-to-poll.stderr b/tests/ui/async-await/pin-needed-to-poll.stderr
index b1f4a73aafe..964709daeda 100644
--- a/tests/ui/async-await/pin-needed-to-poll.stderr
+++ b/tests/ui/async-await/pin-needed-to-poll.stderr
@@ -6,14 +6,12 @@ LL | struct Sleep;
 ...
 LL |         self.sleep.poll(cx)
    |                    ^^^^ method not found in `Sleep`
-  --> $SRC_DIR/core/src/future/future.rs:LL:COL
    |
-   = note: the method is available for `Pin<&mut Sleep>` here
+help: consider pinning the expression
    |
-help: consider wrapping the receiver expression with the appropriate type
+LL ~         let mut pinned = std::pin::pin!(self.sleep);
+LL ~         pinned.as_mut().poll(cx)
    |
-LL |         Pin::new(&mut self.sleep).poll(cx)
-   |         +++++++++++++           +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/auto-traits/pre-cfg.rs b/tests/ui/auto-traits/pre-cfg.rs
new file mode 100644
index 00000000000..e6e840dcbab
--- /dev/null
+++ b/tests/ui/auto-traits/pre-cfg.rs
@@ -0,0 +1,8 @@
+// check-pass
+
+#[cfg(FALSE)]
+auto trait Foo {}
+//~^ WARN `auto` traits are unstable
+//~| WARN unstable syntax can change at any point in the future, causing a hard error!
+
+fn main() {}
diff --git a/tests/ui/auto-traits/pre-cfg.stderr b/tests/ui/auto-traits/pre-cfg.stderr
new file mode 100644
index 00000000000..6efa05b4326
--- /dev/null
+++ b/tests/ui/auto-traits/pre-cfg.stderr
@@ -0,0 +1,13 @@
+warning: `auto` traits are unstable
+  --> $DIR/pre-cfg.rs:4:1
+   |
+LL | auto trait Foo {}
+   | ^^^^
+   |
+   = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
+   = help: add `#![feature(auto_traits)]` to the crate attributes to enable
+   = warning: unstable syntax can change at any point in the future, causing a hard error!
+   = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/const-generics/occurs-check/unused-substs-1.stderr b/tests/ui/const-generics/occurs-check/unused-substs-1.stderr
index 51ef354e3ed..61d055e8084 100644
--- a/tests/ui/const-generics/occurs-check/unused-substs-1.stderr
+++ b/tests/ui/const-generics/occurs-check/unused-substs-1.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `A<_>: Bar<_>` is not satisfied
 LL |     let _ = A;
    |             ^ the trait `Bar<_>` is not implemented for `A<_>`
    |
-   = help: the trait `Bar<N>` is implemented for `A<7>`
+   = help: the trait `Bar<_>` is implemented for `A<7>`
 note: required by a bound in `A`
   --> $DIR/unused-substs-1.rs:9:11
    |
diff --git a/tests/ui/generic-const-items/unsatisfied-bounds.stderr b/tests/ui/generic-const-items/unsatisfied-bounds.stderr
index 2cee53431a4..14894cef770 100644
--- a/tests/ui/generic-const-items/unsatisfied-bounds.stderr
+++ b/tests/ui/generic-const-items/unsatisfied-bounds.stderr
@@ -17,6 +17,7 @@ LL |     let () = K::<()>;
    |                  ^^ the trait `From<()>` is not implemented for `Infallible`
    |
    = help: the trait `From<!>` is implemented for `Infallible`
+   = help: for that trait implementation, expected `!`, found `()`
 note: required by a bound in `K`
   --> $DIR/unsatisfied-bounds.rs:12:17
    |
@@ -48,6 +49,7 @@ LL |     let _ = <() as Trait<&'static str>>::B::<()>;
    |                                              ^^ the trait `From<()>` is not implemented for `Infallible`
    |
    = help: the trait `From<!>` is implemented for `Infallible`
+   = help: for that trait implementation, expected `!`, found `()`
 note: required by a bound in `Trait::B`
   --> $DIR/unsatisfied-bounds.rs:21:21
    |
diff --git a/tests/ui/impl-trait/issues/issue-62742.stderr b/tests/ui/impl-trait/issues/issue-62742.stderr
index d872291c870..8d969e8e0f3 100644
--- a/tests/ui/impl-trait/issues/issue-62742.stderr
+++ b/tests/ui/impl-trait/issues/issue-62742.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `RawImpl<_>: Raw<_>` is not satisfied
 LL |     WrongImpl::foo(0i32);
    |     ^^^^^^^^^ the trait `Raw<_>` is not implemented for `RawImpl<_>`
    |
-   = help: the trait `Raw<[T]>` is implemented for `RawImpl<T>`
+   = help: the trait `Raw<[_]>` is implemented for `RawImpl<_>`
 note: required by a bound in `SafeImpl`
   --> $DIR/issue-62742.rs:26:35
    |
@@ -42,7 +42,8 @@ error[E0277]: the trait bound `RawImpl<()>: Raw<()>` is not satisfied
 LL |     WrongImpl::<()>::foo(0i32);
    |     ^^^^^^^^^^^^^^^ the trait `Raw<()>` is not implemented for `RawImpl<()>`
    |
-   = help: the trait `Raw<[T]>` is implemented for `RawImpl<T>`
+   = help: the trait `Raw<[()]>` is implemented for `RawImpl<()>`
+   = help: for that trait implementation, expected `[()]`, found `()`
 note: required by a bound in `SafeImpl`
   --> $DIR/issue-62742.rs:26:35
    |
diff --git a/tests/ui/indexing/index-help.stderr b/tests/ui/indexing/index-help.stderr
index e020d029875..2cb212a0139 100644
--- a/tests/ui/indexing/index-help.stderr
+++ b/tests/ui/indexing/index-help.stderr
@@ -5,7 +5,8 @@ LL |     x[0i32];
    |       ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[{integer}]>` is not implemented for `i32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[{integer}]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i32`
    = note: required for `Vec<{integer}>` to implement `Index<i32>`
 
 error: aborting due to previous error
diff --git a/tests/ui/indexing/indexing-requires-a-uint.stderr b/tests/ui/indexing/indexing-requires-a-uint.stderr
index 7a741cfc7de..6ea6bb600e9 100644
--- a/tests/ui/indexing/indexing-requires-a-uint.stderr
+++ b/tests/ui/indexing/indexing-requires-a-uint.stderr
@@ -5,7 +5,8 @@ LL |     [0][0u8];
    |         ^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[{integer}]>` is not implemented for `u8`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[{integer}]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `u8`
    = note: required for `[{integer}]` to implement `Index<u8>`
 
 error[E0308]: mismatched types
diff --git a/tests/ui/integral-indexing.stderr b/tests/ui/integral-indexing.stderr
index bbbb2a86a22..97e658617cf 100644
--- a/tests/ui/integral-indexing.stderr
+++ b/tests/ui/integral-indexing.stderr
@@ -5,7 +5,8 @@ LL |     v[3u8];
    |       ^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[isize]>` is not implemented for `u8`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[isize]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `u8`
    = note: required for `Vec<isize>` to implement `Index<u8>`
 
 error[E0277]: the type `[isize]` cannot be indexed by `i8`
@@ -15,7 +16,8 @@ LL |     v[3i8];
    |       ^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[isize]>` is not implemented for `i8`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[isize]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i8`
    = note: required for `Vec<isize>` to implement `Index<i8>`
 
 error[E0277]: the type `[isize]` cannot be indexed by `u32`
@@ -25,7 +27,8 @@ LL |     v[3u32];
    |       ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[isize]>` is not implemented for `u32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[isize]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `u32`
    = note: required for `Vec<isize>` to implement `Index<u32>`
 
 error[E0277]: the type `[isize]` cannot be indexed by `i32`
@@ -35,7 +38,8 @@ LL |     v[3i32];
    |       ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[isize]>` is not implemented for `i32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[isize]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i32`
    = note: required for `Vec<isize>` to implement `Index<i32>`
 
 error[E0277]: the type `[u8]` cannot be indexed by `u8`
@@ -45,7 +49,8 @@ LL |     s.as_bytes()[3u8];
    |                  ^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[u8]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `u8`
    = note: required for `[u8]` to implement `Index<u8>`
 
 error[E0277]: the type `[u8]` cannot be indexed by `i8`
@@ -55,7 +60,8 @@ LL |     s.as_bytes()[3i8];
    |                  ^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[u8]>` is not implemented for `i8`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[u8]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i8`
    = note: required for `[u8]` to implement `Index<i8>`
 
 error[E0277]: the type `[u8]` cannot be indexed by `u32`
@@ -65,7 +71,8 @@ LL |     s.as_bytes()[3u32];
    |                  ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[u8]>` is not implemented for `u32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[u8]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `u32`
    = note: required for `[u8]` to implement `Index<u32>`
 
 error[E0277]: the type `[u8]` cannot be indexed by `i32`
@@ -75,7 +82,8 @@ LL |     s.as_bytes()[3i32];
    |                  ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[u8]>` is not implemented for `i32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[u8]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i32`
    = note: required for `[u8]` to implement `Index<i32>`
 
 error: aborting due to 8 previous errors
diff --git a/tests/ui/issues/issue-34334.stderr b/tests/ui/issues/issue-34334.stderr
index 9d2c315e4db..753942dd1d1 100644
--- a/tests/ui/issues/issue-34334.stderr
+++ b/tests/ui/issues/issue-34334.stderr
@@ -19,7 +19,8 @@ LL |     let sr2: Vec<(u32, _, _)> = sr.iter().map(|(faction, th_sender, th_rece
    |                                                                                       ^^^^^^^ value of type `Vec<(u32, _, _)>` cannot be built from `std::iter::Iterator<Item=()>`
    |
    = help: the trait `FromIterator<()>` is not implemented for `Vec<(u32, _, _)>`
-   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
+   = help: the trait `FromIterator<(u32, _, _)>` is implemented for `Vec<(u32, _, _)>`
+   = help: for that trait implementation, expected `(u32, _, _)`, found `()`
 note: the method call chain might not have had the expected associated types
   --> $DIR/issue-34334.rs:5:43
    |
diff --git a/tests/ui/issues/issue-45801.stderr b/tests/ui/issues/issue-45801.stderr
index 8967f49df02..e651e2a68d1 100644
--- a/tests/ui/issues/issue-45801.stderr
+++ b/tests/ui/issues/issue-45801.stderr
@@ -5,6 +5,7 @@ LL |     req.get_ref::<Params>();
    |         ^^^^^^^ the trait `Plugin<i32>` is not implemented for `Params`
    |
    = help: the trait `Plugin<Foo>` is implemented for `Params`
+   = help: for that trait implementation, expected `Foo`, found `i32`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/issues/issue-66923-show-error-for-correct-call.stderr b/tests/ui/issues/issue-66923-show-error-for-correct-call.stderr
index 22b1da64cb3..128288e28f5 100644
--- a/tests/ui/issues/issue-66923-show-error-for-correct-call.stderr
+++ b/tests/ui/issues/issue-66923-show-error-for-correct-call.stderr
@@ -5,7 +5,8 @@ LL |     let x2: Vec<f64> = x1.into_iter().collect();
    |                                       ^^^^^^^ value of type `Vec<f64>` cannot be built from `std::iter::Iterator<Item=&f64>`
    |
    = help: the trait `FromIterator<&f64>` is not implemented for `Vec<f64>`
-   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
+   = help: the trait `FromIterator<f64>` is implemented for `Vec<f64>`
+   = help: for that trait implementation, expected `f64`, found `&f64`
 note: the method call chain might not have had the expected associated types
   --> $DIR/issue-66923-show-error-for-correct-call.rs:8:27
    |
@@ -25,7 +26,8 @@ LL |     let x3 = x1.into_iter().collect::<Vec<f64>>();
    |                             required by a bound introduced by this call
    |
    = help: the trait `FromIterator<&f64>` is not implemented for `Vec<f64>`
-   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
+   = help: the trait `FromIterator<f64>` is implemented for `Vec<f64>`
+   = help: for that trait implementation, expected `f64`, found `&f64`
 note: the method call chain might not have had the expected associated types
   --> $DIR/issue-66923-show-error-for-correct-call.rs:12:17
    |
diff --git a/tests/ui/iterators/invalid-iterator-chain.stderr b/tests/ui/iterators/invalid-iterator-chain.stderr
index b355da5cb76..2601c9c0d69 100644
--- a/tests/ui/iterators/invalid-iterator-chain.stderr
+++ b/tests/ui/iterators/invalid-iterator-chain.stderr
@@ -5,7 +5,8 @@ LL |     i.collect()
    |       ^^^^^^^ value of type `Vec<X>` cannot be built from `std::iter::Iterator<Item=&X>`
    |
    = help: the trait `FromIterator<&X>` is not implemented for `Vec<X>`
-   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
+   = help: the trait `FromIterator<X>` is implemented for `Vec<X>`
+   = help: for that trait implementation, expected `X`, found `&X`
 note: the method call chain might not have had the expected associated types
   --> $DIR/invalid-iterator-chain.rs:4:26
    |
@@ -159,7 +160,8 @@ LL |     let g: Vec<i32> = f.collect();
    |                         ^^^^^^^ value of type `Vec<i32>` cannot be built from `std::iter::Iterator<Item=()>`
    |
    = help: the trait `FromIterator<()>` is not implemented for `Vec<i32>`
-   = help: the trait `FromIterator<T>` is implemented for `Vec<T>`
+   = help: the trait `FromIterator<i32>` is implemented for `Vec<i32>`
+   = help: for that trait implementation, expected `i32`, found `()`
 note: the method call chain might not have had the expected associated types
   --> $DIR/invalid-iterator-chain.rs:44:15
    |
diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs
index 816f99baa84..8b4e6250a30 100644
--- a/tests/ui/macros/stringify.rs
+++ b/tests/ui/macros/stringify.rs
@@ -3,6 +3,7 @@
 // compile-flags: --test
 
 #![feature(async_closure)]
+#![feature(auto_traits)]
 #![feature(box_patterns)]
 #![feature(const_trait_impl)]
 #![feature(decl_macro)]
diff --git a/tests/ui/never_type/never-value-fallback-issue-66757.nofallback.stderr b/tests/ui/never_type/never-value-fallback-issue-66757.nofallback.stderr
index 54c16230fe6..cb378630589 100644
--- a/tests/ui/never_type/never-value-fallback-issue-66757.nofallback.stderr
+++ b/tests/ui/never_type/never-value-fallback-issue-66757.nofallback.stderr
@@ -5,6 +5,7 @@ LL |     <E as From<_>>::from(never);
    |      ^ the trait `From<()>` is not implemented for `E`
    |
    = help: the trait `From<!>` is implemented for `E`
+   = help: for that trait implementation, expected `!`, found `()`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/on-unimplemented/impl-substs.stderr b/tests/ui/on-unimplemented/impl-substs.stderr
index a0fad0acd0b..36d80f3e681 100644
--- a/tests/ui/on-unimplemented/impl-substs.stderr
+++ b/tests/ui/on-unimplemented/impl-substs.stderr
@@ -7,7 +7,8 @@ LL |     Foo::<usize>::foo((1i32, 1i32, 1i32));
    |     required by a bound introduced by this call
    |
    = help: the trait `Foo<usize>` is not implemented for `(i32, i32, i32)`
-   = help: the trait `Foo<A>` is implemented for `(A, B, C)`
+   = help: the trait `Foo<i32>` is implemented for `(i32, i32, i32)`
+   = help: for that trait implementation, expected `i32`, found `usize`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/on-unimplemented/on-impl.stderr b/tests/ui/on-unimplemented/on-impl.stderr
index 2253c5992a6..3a0b8353fa5 100644
--- a/tests/ui/on-unimplemented/on-impl.stderr
+++ b/tests/ui/on-unimplemented/on-impl.stderr
@@ -8,6 +8,7 @@ LL |     Index::<u32>::index(&[1, 2, 3] as &[i32], 2u32);
    |
    = help: the trait `Index<u32>` is not implemented for `[i32]`
    = help: the trait `Index<usize>` is implemented for `[i32]`
+   = help: for that trait implementation, expected `usize`, found `u32`
 
 error[E0277]: the trait bound `[i32]: Index<u32>` is not satisfied
   --> $DIR/on-impl.rs:22:5
@@ -17,6 +18,7 @@ LL |     Index::<u32>::index(&[1, 2, 3] as &[i32], 2u32);
    |
    = help: the trait `Index<u32>` is not implemented for `[i32]`
    = help: the trait `Index<usize>` is implemented for `[i32]`
+   = help: for that trait implementation, expected `usize`, found `u32`
 
 error[E0277]: the trait bound `[i32]: Index<u32>` is not satisfied
   --> $DIR/on-impl.rs:22:5
@@ -26,6 +28,7 @@ LL |     Index::<u32>::index(&[1, 2, 3] as &[i32], 2u32);
    |
    = help: the trait `Index<u32>` is not implemented for `[i32]`
    = help: the trait `Index<usize>` is implemented for `[i32]`
+   = help: for that trait implementation, expected `usize`, found `u32`
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/on-unimplemented/slice-index.stderr b/tests/ui/on-unimplemented/slice-index.stderr
index b9bca211f43..5e0117be529 100644
--- a/tests/ui/on-unimplemented/slice-index.stderr
+++ b/tests/ui/on-unimplemented/slice-index.stderr
@@ -5,7 +5,8 @@ LL |     x[1i32];
    |       ^^^^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[i32]>` is not implemented for `i32`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[i32]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `i32`
    = note: required for `[i32]` to implement `Index<i32>`
 
 error[E0277]: the type `[i32]` cannot be indexed by `RangeTo<i32>`
diff --git a/tests/ui/or-patterns/missing-bindings.stderr b/tests/ui/or-patterns/missing-bindings.stderr
index 4457b7893d5..7f182a85787 100644
--- a/tests/ui/or-patterns/missing-bindings.stderr
+++ b/tests/ui/or-patterns/missing-bindings.stderr
@@ -103,22 +103,6 @@ LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
    |                 |
    |                 variable not in all patterns
 
-error[E0408]: variable `c` is not bound in all patterns
-  --> $DIR/missing-bindings.rs:45:33
-   |
-LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
-   |                        -        ^^^^ pattern doesn't bind `c`
-   |                        |
-   |                        variable not in all patterns
-
-error[E0408]: variable `d` is not bound in all patterns
-  --> $DIR/missing-bindings.rs:45:33
-   |
-LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
-   |                            -    ^^^^ pattern doesn't bind `d`
-   |                            |
-   |                            variable not in all patterns
-
 error[E0408]: variable `e` is not bound in all patterns
   --> $DIR/missing-bindings.rs:45:10
    |
@@ -143,6 +127,22 @@ LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
    |                 |
    |                 variable not in all patterns
 
+error[E0408]: variable `c` is not bound in all patterns
+  --> $DIR/missing-bindings.rs:45:33
+   |
+LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
+   |                        -        ^^^^ pattern doesn't bind `c`
+   |                        |
+   |                        variable not in all patterns
+
+error[E0408]: variable `d` is not bound in all patterns
+  --> $DIR/missing-bindings.rs:45:33
+   |
+LL |     let (A(A(a, b) | B(c), d) | B(e)) = Y;
+   |                            -    ^^^^ pattern doesn't bind `d`
+   |                            |
+   |                            variable not in all patterns
+
 error[E0408]: variable `a` is not bound in all patterns
   --> $DIR/missing-bindings.rs:61:29
    |
@@ -151,14 +151,6 @@ LL |                     Ok(a) | Err(_),
    |                        |
    |                        variable not in all patterns
 
-error[E0408]: variable `a` is not bound in all patterns
-  --> $DIR/missing-bindings.rs:69:21
-   |
-LL |                     A(_, a) |
-   |                          - variable not in all patterns
-LL |                     B(b),
-   |                     ^^^^ pattern doesn't bind `a`
-
 error[E0408]: variable `b` is not bound in all patterns
   --> $DIR/missing-bindings.rs:68:21
    |
@@ -168,6 +160,14 @@ LL |                     B(b),
    |                       - variable not in all patterns
 
 error[E0408]: variable `a` is not bound in all patterns
+  --> $DIR/missing-bindings.rs:69:21
+   |
+LL |                     A(_, a) |
+   |                          - variable not in all patterns
+LL |                     B(b),
+   |                     ^^^^ pattern doesn't bind `a`
+
+error[E0408]: variable `a` is not bound in all patterns
   --> $DIR/missing-bindings.rs:72:17
    |
 LL |                     A(_, a) |
@@ -185,6 +185,24 @@ LL |                     B(b),
 LL |                 B(_)
    |                 ^^^^ pattern doesn't bind `b`
 
+error[E0408]: variable `b` is not bound in all patterns
+  --> $DIR/missing-bindings.rs:57:13
+   |
+LL | /             V1(
+LL | |
+LL | |
+LL | |                 A(
+...  |
+LL | |                 B(Ok(a) | Err(a))
+LL | |             ) |
+   | |_____________^ pattern doesn't bind `b`
+...
+LL |                       B(b),
+   |                         - variable not in all patterns
+...
+LL |               V3(c),
+   |               ^^^^^ pattern doesn't bind `b`
+
 error[E0408]: variable `c` is not bound in all patterns
   --> $DIR/missing-bindings.rs:57:13
    |
@@ -219,24 +237,6 @@ LL |                     A(_, a) |
 LL |             V3(c),
    |             ^^^^^ pattern doesn't bind `a`
 
-error[E0408]: variable `b` is not bound in all patterns
-  --> $DIR/missing-bindings.rs:57:13
-   |
-LL | /             V1(
-LL | |
-LL | |
-LL | |                 A(
-...  |
-LL | |                 B(Ok(a) | Err(a))
-LL | |             ) |
-   | |_____________^ pattern doesn't bind `b`
-...
-LL |                       B(b),
-   |                         - variable not in all patterns
-...
-LL |               V3(c),
-   |               ^^^^^ pattern doesn't bind `b`
-
 error: aborting due to 26 previous errors
 
 For more information about this error, try `rustc --explain E0408`.
diff --git a/tests/ui/resolve/resolve-inconsistent-names.stderr b/tests/ui/resolve/resolve-inconsistent-names.stderr
index 42b7281d7b0..d6240fb8f87 100644
--- a/tests/ui/resolve/resolve-inconsistent-names.stderr
+++ b/tests/ui/resolve/resolve-inconsistent-names.stderr
@@ -1,11 +1,3 @@
-error[E0408]: variable `a` is not bound in all patterns
-  --> $DIR/resolve-inconsistent-names.rs:13:12
-   |
-LL |        a | b => {}
-   |        -   ^ pattern doesn't bind `a`
-   |        |
-   |        variable not in all patterns
-
 error[E0408]: variable `b` is not bound in all patterns
   --> $DIR/resolve-inconsistent-names.rs:13:8
    |
@@ -14,6 +6,14 @@ LL |        a | b => {}
    |        |
    |        pattern doesn't bind `b`
 
+error[E0408]: variable `a` is not bound in all patterns
+  --> $DIR/resolve-inconsistent-names.rs:13:12
+   |
+LL |        a | b => {}
+   |        -   ^ pattern doesn't bind `a`
+   |        |
+   |        variable not in all patterns
+
 error[E0408]: variable `c` is not bound in all patterns
   --> $DIR/resolve-inconsistent-names.rs:19:9
    |
@@ -54,6 +54,19 @@ LL |         (A, B) | (ref B, c) | (c, A) => ()
    |             |
    |             first binding
 
+error[E0408]: variable `Const2` is not bound in all patterns
+  --> $DIR/resolve-inconsistent-names.rs:31:9
+   |
+LL |         (CONST1, _) | (_, Const2) => ()
+   |         ^^^^^^^^^^^       ------ variable not in all patterns
+   |         |
+   |         pattern doesn't bind `Const2`
+   |
+help: if you meant to match on constant `m::Const2`, use the full path in the pattern
+   |
+LL |         (CONST1, _) | (_, m::Const2) => ()
+   |                           ~~~~~~~~~
+
 error[E0408]: variable `CONST1` is not bound in all patterns
   --> $DIR/resolve-inconsistent-names.rs:31:23
    |
@@ -68,19 +81,6 @@ note: you might have meant to match on constant `m::CONST1`, which exists but is
 LL |     const CONST1: usize = 10;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ not accessible
 
-error[E0408]: variable `Const2` is not bound in all patterns
-  --> $DIR/resolve-inconsistent-names.rs:31:9
-   |
-LL |         (CONST1, _) | (_, Const2) => ()
-   |         ^^^^^^^^^^^       ------ variable not in all patterns
-   |         |
-   |         pattern doesn't bind `Const2`
-   |
-help: if you meant to match on constant `m::Const2`, use the full path in the pattern
-   |
-LL |         (CONST1, _) | (_, m::Const2) => ()
-   |                           ~~~~~~~~~
-
 error[E0308]: mismatched types
   --> $DIR/resolve-inconsistent-names.rs:19:19
    |
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs
new file mode 100644
index 00000000000..1e22ddcea8d
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs
@@ -0,0 +1,28 @@
+#![feature(const_trait_impl, effects)]
+
+#[const_trait]
+trait MyTrait {
+    fn do_something(&self);
+}
+
+trait OtherTrait {
+    fn do_something_else() where Self: ~const MyTrait;
+    //~^ ERROR `~const` is not allowed here
+}
+
+struct MyStruct<T>(T);
+
+impl const MyTrait for u32 {
+    fn do_something(&self) {}
+}
+
+impl<T> MyStruct<T> {
+    pub fn foo(&self) where T: ~const MyTrait {
+        //~^ ERROR `~const` is not allowed here
+        self.0.do_something();
+    }
+}
+
+fn main() {
+    MyStruct(0u32).foo();
+}
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr
new file mode 100644
index 00000000000..9210f642706
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr
@@ -0,0 +1,26 @@
+error: `~const` is not allowed here
+  --> $DIR/const-bound-on-not-const-associated-fn.rs:9:40
+   |
+LL |     fn do_something_else() where Self: ~const MyTrait;
+   |                                        ^^^^^^^^^^^^^^
+   |
+note: this function is not `const`, so it cannot have `~const` trait bounds
+  --> $DIR/const-bound-on-not-const-associated-fn.rs:9:8
+   |
+LL |     fn do_something_else() where Self: ~const MyTrait;
+   |        ^^^^^^^^^^^^^^^^^
+
+error: `~const` is not allowed here
+  --> $DIR/const-bound-on-not-const-associated-fn.rs:20:32
+   |
+LL |     pub fn foo(&self) where T: ~const MyTrait {
+   |                                ^^^^^^^^^^^^^^
+   |
+note: this function is not `const`, so it cannot have `~const` trait bounds
+  --> $DIR/const-bound-on-not-const-associated-fn.rs:20:12
+   |
+LL |     pub fn foo(&self) where T: ~const MyTrait {
+   |            ^^^
+
+error: aborting due to 2 previous errors
+
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs
index 89d74cecfdb..4b720b534a4 100644
--- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs
@@ -7,7 +7,8 @@ struct Foo<const N: usize>;
 
 impl<const N: usize> Foo<N> {
     fn add<A: ~const Add42>(self) -> Foo<{ A::add(N) }> {
-        //~^ ERROR mismatched types
+        //~^ ERROR `~const` is not allowed here
+        //~| ERROR mismatched types
         Foo
     }
 }
@@ -30,7 +31,7 @@ fn bar<A: ~const Add42, const N: usize>(_: Foo<N>) -> Foo<{ A::add(N) }> {
 }
 
 fn main() {
-   let foo = Foo::<0>;
-   let foo = bar::<(), _>(foo);
-   let _foo = bar::<(), _>(foo);
+    let foo = Foo::<0>;
+    let foo = bar::<(), _>(foo);
+    let _foo = bar::<(), _>(foo);
 }
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.stderr
index ec5d21d33c6..be7a83dc184 100644
--- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.stderr
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-and-const-params.stderr
@@ -1,17 +1,29 @@
 error: `~const` is not allowed here
-  --> $DIR/tilde-const-and-const-params.rs:26:11
+  --> $DIR/tilde-const-and-const-params.rs:9:15
+   |
+LL |     fn add<A: ~const Add42>(self) -> Foo<{ A::add(N) }> {
+   |               ^^^^^^^^^^^^
+   |
+note: this function is not `const`, so it cannot have `~const` trait bounds
+  --> $DIR/tilde-const-and-const-params.rs:9:8
+   |
+LL |     fn add<A: ~const Add42>(self) -> Foo<{ A::add(N) }> {
+   |        ^^^
+
+error: `~const` is not allowed here
+  --> $DIR/tilde-const-and-const-params.rs:27:11
    |
 LL | fn bar<A: ~const Add42, const N: usize>(_: Foo<N>) -> Foo<{ A::add(N) }> {
    |           ^^^^^^^^^^^^
    |
 note: this function is not `const`, so it cannot have `~const` trait bounds
-  --> $DIR/tilde-const-and-const-params.rs:26:4
+  --> $DIR/tilde-const-and-const-params.rs:27:4
    |
 LL | fn bar<A: ~const Add42, const N: usize>(_: Foo<N>) -> Foo<{ A::add(N) }> {
    |    ^^^
 
 error[E0308]: mismatched types
-  --> $DIR/tilde-const-and-const-params.rs:26:61
+  --> $DIR/tilde-const-and-const-params.rs:27:61
    |
 LL | fn bar<A: ~const Add42, const N: usize>(_: Foo<N>) -> Foo<{ A::add(N) }> {
    |                                                             ^^^^^^^^^ expected `false`, found `true`
@@ -28,6 +40,6 @@ LL |     fn add<A: ~const Add42>(self) -> Foo<{ A::add(N) }> {
    = note: expected constant `false`
               found constant `true`
 
-error: aborting due to 3 previous errors
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.rs
index 85ca5fc9048..11f353f3f8a 100644
--- a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.rs
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.rs
@@ -6,7 +6,9 @@ trait Bar {}
 trait Foo {
     fn a();
     fn b() where Self: ~const Bar;
+    //~^ ERROR `~const` is not allowed here
     fn c<T: ~const Bar>();
+    //~^ ERROR `~const` is not allowed here
 }
 
 fn test1<T: Foo>() {
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.stderr
index 255878e1775..3d6fedbabbf 100644
--- a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.stderr
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause.stderr
@@ -1,5 +1,29 @@
+error: `~const` is not allowed here
+  --> $DIR/trait-where-clause.rs:8:24
+   |
+LL |     fn b() where Self: ~const Bar;
+   |                        ^^^^^^^^^^
+   |
+note: this function is not `const`, so it cannot have `~const` trait bounds
+  --> $DIR/trait-where-clause.rs:8:8
+   |
+LL |     fn b() where Self: ~const Bar;
+   |        ^
+
+error: `~const` is not allowed here
+  --> $DIR/trait-where-clause.rs:10:13
+   |
+LL |     fn c<T: ~const Bar>();
+   |             ^^^^^^^^^^
+   |
+note: this function is not `const`, so it cannot have `~const` trait bounds
+  --> $DIR/trait-where-clause.rs:10:8
+   |
+LL |     fn c<T: ~const Bar>();
+   |        ^
+
 error[E0277]: the trait bound `T: Bar` is not satisfied
-  --> $DIR/trait-where-clause.rs:14:5
+  --> $DIR/trait-where-clause.rs:16:5
    |
 LL |     T::b();
    |     ^ the trait `Bar` is not implemented for `T`
@@ -15,13 +39,13 @@ LL | fn test1<T: Foo + Bar>() {
    |                 +++++
 
 error[E0277]: the trait bound `T: Bar` is not satisfied
-  --> $DIR/trait-where-clause.rs:16:12
+  --> $DIR/trait-where-clause.rs:18:12
    |
 LL |     T::c::<T>();
    |            ^ the trait `Bar` is not implemented for `T`
    |
 note: required by a bound in `Foo::c`
-  --> $DIR/trait-where-clause.rs:9:13
+  --> $DIR/trait-where-clause.rs:10:13
    |
 LL |     fn c<T: ~const Bar>();
    |             ^^^^^^^^^^ required by this bound in `Foo::c`
@@ -30,6 +54,6 @@ help: consider further restricting this bound
 LL | fn test1<T: Foo + Bar>() {
    |                 +++++
 
-error: aborting due to 2 previous errors
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/self/arbitrary_self_types_needing_mut_pin.fixed b/tests/ui/self/arbitrary_self_types_needing_mut_pin.fixed
index ccd65ff4091..a400a1672a4 100644
--- a/tests/ui/self/arbitrary_self_types_needing_mut_pin.fixed
+++ b/tests/ui/self/arbitrary_self_types_needing_mut_pin.fixed
@@ -8,5 +8,6 @@ impl S {
 }
 
 fn main() {
-    Pin::new(&mut S).x(); //~ ERROR no method named `x` found
+    let mut pinned = std::pin::pin!(S);
+    pinned.as_mut().x(); //~ ERROR no method named `x` found
 }
diff --git a/tests/ui/self/arbitrary_self_types_needing_mut_pin.stderr b/tests/ui/self/arbitrary_self_types_needing_mut_pin.stderr
index f34ce4dce49..5dcb5861120 100644
--- a/tests/ui/self/arbitrary_self_types_needing_mut_pin.stderr
+++ b/tests/ui/self/arbitrary_self_types_needing_mut_pin.stderr
@@ -4,16 +4,14 @@ error[E0599]: no method named `x` found for struct `S` in the current scope
 LL | struct S;
    | -------- method `x` not found for this struct
 ...
-LL |     fn x(self: Pin<&mut Self>) {
-   |        - the method is available for `Pin<&mut S>` here
-...
 LL |     S.x();
    |       ^ method not found in `S`
    |
-help: consider wrapping the receiver expression with the appropriate type
+help: consider pinning the expression
+   |
+LL ~     let mut pinned = std::pin::pin!(S);
+LL ~     pinned.as_mut().x();
    |
-LL |     Pin::new(&mut S).x();
-   |     +++++++++++++  +
 
 error: aborting due to previous error
 
diff --git a/tests/ui/span/issue-39698.stderr b/tests/ui/span/issue-39698.stderr
index 81211b20a01..50008083211 100644
--- a/tests/ui/span/issue-39698.stderr
+++ b/tests/ui/span/issue-39698.stderr
@@ -1,3 +1,13 @@
+error[E0408]: variable `b` is not bound in all patterns
+  --> $DIR/issue-39698.rs:10:9
+   |
+LL |         T::T1(a, d) | T::T2(d, b) | T::T3(c) | T::T4(a) => { println!("{:?}", a); }
+   |         ^^^^^^^^^^^            -    ^^^^^^^^   ^^^^^^^^ pattern doesn't bind `b`
+   |         |                      |    |
+   |         |                      |    pattern doesn't bind `b`
+   |         |                      variable not in all patterns
+   |         pattern doesn't bind `b`
+
 error[E0408]: variable `c` is not bound in all patterns
   --> $DIR/issue-39698.rs:10:9
    |
@@ -8,16 +18,6 @@ LL |         T::T1(a, d) | T::T2(d, b) | T::T3(c) | T::T4(a) => { println!("{:?}
    |         |             pattern doesn't bind `c`
    |         pattern doesn't bind `c`
 
-error[E0408]: variable `d` is not bound in all patterns
-  --> $DIR/issue-39698.rs:10:37
-   |
-LL |         T::T1(a, d) | T::T2(d, b) | T::T3(c) | T::T4(a) => { println!("{:?}", a); }
-   |                  -          -       ^^^^^^^^   ^^^^^^^^ pattern doesn't bind `d`
-   |                  |          |       |
-   |                  |          |       pattern doesn't bind `d`
-   |                  |          variable not in all patterns
-   |                  variable not in all patterns
-
 error[E0408]: variable `a` is not bound in all patterns
   --> $DIR/issue-39698.rs:10:23
    |
@@ -28,15 +28,15 @@ LL |         T::T1(a, d) | T::T2(d, b) | T::T3(c) | T::T4(a) => { println!("{:?}
    |               |       pattern doesn't bind `a`
    |               variable not in all patterns
 
-error[E0408]: variable `b` is not bound in all patterns
-  --> $DIR/issue-39698.rs:10:9
+error[E0408]: variable `d` is not bound in all patterns
+  --> $DIR/issue-39698.rs:10:37
    |
 LL |         T::T1(a, d) | T::T2(d, b) | T::T3(c) | T::T4(a) => { println!("{:?}", a); }
-   |         ^^^^^^^^^^^            -    ^^^^^^^^   ^^^^^^^^ pattern doesn't bind `b`
-   |         |                      |    |
-   |         |                      |    pattern doesn't bind `b`
-   |         |                      variable not in all patterns
-   |         pattern doesn't bind `b`
+   |                  -          -       ^^^^^^^^   ^^^^^^^^ pattern doesn't bind `d`
+   |                  |          |       |
+   |                  |          |       pattern doesn't bind `d`
+   |                  |          variable not in all patterns
+   |                  variable not in all patterns
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/str/str-idx.stderr b/tests/ui/str/str-idx.stderr
index cb1a6fcacfc..e8bbb8058fa 100644
--- a/tests/ui/str/str-idx.stderr
+++ b/tests/ui/str/str-idx.stderr
@@ -7,7 +7,8 @@ LL |     let _: u8 = s[4];
    = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
    = note: you can use `.chars().nth()` or `.bytes().nth()`
            for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
    = note: required for `str` to implement `Index<{integer}>`
 
 error[E0277]: the type `str` cannot be indexed by `{integer}`
@@ -21,7 +22,8 @@ LL |     let _ = s.get(4);
    = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
    = note: you can use `.chars().nth()` or `.bytes().nth()`
            for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
 note: required by a bound in `core::str::<impl str>::get`
   --> $SRC_DIR/core/src/str/mod.rs:LL:COL
 
@@ -36,7 +38,8 @@ LL |     let _ = s.get_unchecked(4);
    = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
    = note: you can use `.chars().nth()` or `.bytes().nth()`
            for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
 note: required by a bound in `core::str::<impl str>::get_unchecked`
   --> $SRC_DIR/core/src/str/mod.rs:LL:COL
 
diff --git a/tests/ui/str/str-mut-idx.stderr b/tests/ui/str/str-mut-idx.stderr
index ca4b86ba306..e6835bb54fb 100644
--- a/tests/ui/str/str-mut-idx.stderr
+++ b/tests/ui/str/str-mut-idx.stderr
@@ -31,7 +31,8 @@ LL |     s[1usize] = bot();
    |       ^^^^^^ string indices are ranges of `usize`
    |
    = help: the trait `SliceIndex<str>` is not implemented for `usize`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
    = note: required for `str` to implement `Index<usize>`
 
 error[E0277]: the type `str` cannot be indexed by `{integer}`
@@ -45,7 +46,8 @@ LL |     s.get_mut(1);
    = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
    = note: you can use `.chars().nth()` or `.bytes().nth()`
            for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
 note: required by a bound in `core::str::<impl str>::get_mut`
   --> $SRC_DIR/core/src/str/mod.rs:LL:COL
 
@@ -60,7 +62,8 @@ LL |     s.get_unchecked_mut(1);
    = help: the trait `SliceIndex<str>` is not implemented for `{integer}`
    = note: you can use `.chars().nth()` or `.bytes().nth()`
            for more information, see chapter 8 in The Book: <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[_]>` is implemented for `usize`
+   = help: for that trait implementation, expected `[_]`, found `str`
 note: required by a bound in `core::str::<impl str>::get_unchecked_mut`
   --> $SRC_DIR/core/src/str/mod.rs:LL:COL
 
diff --git a/tests/ui/suggestions/issue-101623.stderr b/tests/ui/suggestions/issue-101623.stderr
index 361483cc08d..9f00de17484 100644
--- a/tests/ui/suggestions/issue-101623.stderr
+++ b/tests/ui/suggestions/issue-101623.stderr
@@ -7,7 +7,8 @@ LL |     Trait::do_stuff({ fun(&mut *inner) });
    |     |               the trait `Trait<'_>` is not implemented for `*mut ()`
    |     required by a bound introduced by this call
    |
-   = help: the trait `Trait<'a>` is implemented for `()`
+   = help: the trait `Trait<'_>` is implemented for `()`
+   = help: for that trait implementation, expected `()`, found `*mut ()`
 
 error: aborting due to previous error
 
diff --git a/tests/ui/suggestions/suggest-dereferencing-index.stderr b/tests/ui/suggestions/suggest-dereferencing-index.stderr
index 147dc9234c5..adf01339972 100644
--- a/tests/ui/suggestions/suggest-dereferencing-index.stderr
+++ b/tests/ui/suggestions/suggest-dereferencing-index.stderr
@@ -5,7 +5,8 @@ LL |     let one_item_please: i32 = [1, 2, 3][i];
    |                                          ^ slice indices are of type `usize` or ranges of `usize`
    |
    = help: the trait `SliceIndex<[{integer}]>` is not implemented for `&usize`
-   = help: the trait `SliceIndex<[T]>` is implemented for `usize`
+   = help: the trait `SliceIndex<[{integer}]>` is implemented for `usize`
+   = help: for that trait implementation, expected `usize`, found `&usize`
    = note: required for `[{integer}]` to implement `Index<&usize>`
 help: dereference this index
    |
diff --git a/tests/ui/traits/coercion-generic-bad.stderr b/tests/ui/traits/coercion-generic-bad.stderr
index e7e8a796796..30a3c40db95 100644
--- a/tests/ui/traits/coercion-generic-bad.stderr
+++ b/tests/ui/traits/coercion-generic-bad.stderr
@@ -5,6 +5,7 @@ LL |     let s: Box<dyn Trait<isize>> = Box::new(Struct { person: "Fred" });
    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait<isize>` is not implemented for `Struct`
    |
    = help: the trait `Trait<&'static str>` is implemented for `Struct`
+   = help: for that trait implementation, expected `&'static str`, found `isize`
    = note: required for the cast from `Box<Struct>` to `Box<dyn Trait<isize>>`
 
 error: aborting due to previous error
diff --git a/tests/ui/traits/non_lifetime_binders/on-rpit.rs b/tests/ui/traits/non_lifetime_binders/on-rpit.rs
new file mode 100644
index 00000000000..c501e057e28
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/on-rpit.rs
@@ -0,0 +1,16 @@
+// check-pass
+
+#![feature(non_lifetime_binders)]
+//~^ WARN the feature `non_lifetime_binders` is incomplete
+
+trait Trait<T: ?Sized> {}
+
+impl<T: ?Sized> Trait<T> for i32 {}
+
+fn produce() -> impl for<T> Trait<T> {
+    16
+}
+
+fn main() {
+    let _ = produce();
+}
diff --git a/tests/ui/traits/non_lifetime_binders/on-rpit.stderr b/tests/ui/traits/non_lifetime_binders/on-rpit.stderr
new file mode 100644
index 00000000000..34c56068c5c
--- /dev/null
+++ b/tests/ui/traits/non_lifetime_binders/on-rpit.stderr
@@ -0,0 +1,11 @@
+warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/on-rpit.rs:3:12
+   |
+LL | #![feature(non_lifetime_binders)]
+   |            ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/try-block/try-block-bad-type.stderr b/tests/ui/try-block/try-block-bad-type.stderr
index e11c3f81003..b41bf86d3d9 100644
--- a/tests/ui/try-block/try-block-bad-type.stderr
+++ b/tests/ui/try-block/try-block-bad-type.stderr
@@ -6,6 +6,7 @@ LL |         Err("")?;
    |
    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
    = help: the trait `From<Infallible>` is implemented for `TryFromSliceError`
+   = help: for that trait implementation, expected `Infallible`, found `&str`
    = note: required for `Result<u32, TryFromSliceError>` to implement `FromResidual<Result<Infallible, &str>>`
 
 error[E0271]: type mismatch resolving `<Result<i32, i32> as Try>::Output == &str`
diff --git a/tests/ui/try-trait/bad-interconversion.stderr b/tests/ui/try-trait/bad-interconversion.stderr
index 7eb392faa66..d8b9431becc 100644
--- a/tests/ui/try-trait/bad-interconversion.stderr
+++ b/tests/ui/try-trait/bad-interconversion.stderr
@@ -73,7 +73,8 @@ LL |     ControlFlow::Continue(Err("hello")?)
    |                                       ^ this `?` produces `Result<Infallible, &str>`, which is incompatible with `ControlFlow<String>`
    |
    = help: the trait `FromResidual<Result<Infallible, &str>>` is not implemented for `ControlFlow<String>`
-   = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
+   = help: the trait `FromResidual<ControlFlow<String, Infallible>>` is implemented for `ControlFlow<String>`
+   = help: for that trait implementation, expected `ControlFlow<String, Infallible>`, found `Result<Infallible, &str>`
 
 error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow`
   --> $DIR/bad-interconversion.rs:37:12
@@ -84,7 +85,8 @@ LL |     Some(3)?;
    |            ^ this `?` produces `Option<Infallible>`, which is incompatible with `ControlFlow<u64>`
    |
    = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `ControlFlow<u64>`
-   = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
+   = help: the trait `FromResidual<ControlFlow<u64, Infallible>>` is implemented for `ControlFlow<u64>`
+   = help: for that trait implementation, expected `ControlFlow<u64, Infallible>`, found `Option<Infallible>`
 
 error[E0277]: the `?` operator in a function that returns `ControlFlow<B, _>` can only be used on other `ControlFlow<B, _>`s (with the same Break type)
   --> $DIR/bad-interconversion.rs:43:29
@@ -96,7 +98,8 @@ LL |     ControlFlow::Break(4_u8)?;
    |
    = help: the trait `FromResidual<ControlFlow<u8, Infallible>>` is not implemented for `ControlFlow<i64>`
    = note: unlike `Result`, there's no `From`-conversion performed for `ControlFlow`
-   = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
+   = help: the trait `FromResidual<ControlFlow<i64, Infallible>>` is implemented for `ControlFlow<i64>`
+   = help: for that trait implementation, expected `i64`, found `u8`
 
 error: aborting due to 8 previous errors
 
diff --git a/tests/ui/type/type-check/point-at-inference-issue-116155.rs b/tests/ui/type/type-check/point-at-inference-issue-116155.rs
new file mode 100644
index 00000000000..1e9942d42e8
--- /dev/null
+++ b/tests/ui/type/type-check/point-at-inference-issue-116155.rs
@@ -0,0 +1,17 @@
+struct S<T>(T);
+
+impl<T> S<T> {
+    fn new() -> Self {
+        loop {}
+    }
+
+    fn constrain<F: Fn() -> T>(&self, _f: F) {}
+}
+
+fn main() {
+    let s = S::new();
+    let c = || true;
+    s.constrain(c);
+    let _: S<usize> = s;
+    //~^ ERROR mismatched types
+}
diff --git a/tests/ui/type/type-check/point-at-inference-issue-116155.stderr b/tests/ui/type/type-check/point-at-inference-issue-116155.stderr
new file mode 100644
index 00000000000..c8c01603cb8
--- /dev/null
+++ b/tests/ui/type/type-check/point-at-inference-issue-116155.stderr
@@ -0,0 +1,18 @@
+error[E0308]: mismatched types
+  --> $DIR/point-at-inference-issue-116155.rs:15:23
+   |
+LL |     s.constrain(c);
+   |     -           - this argument has type `{closure@$DIR/point-at-inference-issue-116155.rs:13:13: 13:15}`...
+   |     |
+   |     ... which causes `s` to have type `S<bool>`
+LL |     let _: S<usize> = s;
+   |            --------   ^ expected `S<usize>`, found `S<bool>`
+   |            |
+   |            expected due to this
+   |
+   = note: expected struct `S<usize>`
+              found struct `S<bool>`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.