about summary refs log tree commit diff
path: root/tests/coverage
diff options
context:
space:
mode:
authorZalathar <Zalathar@users.noreply.github.com>2025-04-24 17:36:50 +1000
committerZalathar <Zalathar@users.noreply.github.com>2025-05-06 11:58:58 +1000
commitc53a76743c01afa356ae5301bc1b35044354da7a (patch)
treead9e622679342488e355f3fbd98793cf917b14a9 /tests/coverage
parent041b2b2c982edb6e36a7d80081d040dbaf388a2b (diff)
downloadrust-c53a76743c01afa356ae5301bc1b35044354da7a.tar.gz
rust-c53a76743c01afa356ae5301bc1b35044354da7a.zip
coverage-dump: Dump filenames instead of global file IDs (and bless)
Diffstat (limited to 'tests/coverage')
-rw-r--r--tests/coverage/abort.cov-map4
-rw-r--r--tests/coverage/assert-ne.cov-map2
-rw-r--r--tests/coverage/assert.cov-map4
-rw-r--r--tests/coverage/assert_not.cov-map2
-rw-r--r--tests/coverage/async.cov-map50
-rw-r--r--tests/coverage/async2.cov-map12
-rw-r--r--tests/coverage/async_block.cov-map4
-rw-r--r--tests/coverage/async_closure.cov-map12
-rw-r--r--tests/coverage/attr/impl.cov-map6
-rw-r--r--tests/coverage/attr/module.cov-map6
-rw-r--r--tests/coverage/attr/nested.cov-map4
-rw-r--r--tests/coverage/attr/off-on-sandwich.cov-map6
-rw-r--r--tests/coverage/attr/trait-impl-inherit.cov-map2
-rw-r--r--tests/coverage/await_ready.cov-map4
-rw-r--r--tests/coverage/bad_counter_ids.cov-map16
-rw-r--r--tests/coverage/bench.cov-map2
-rw-r--r--tests/coverage/branch/generics.cov-map6
-rw-r--r--tests/coverage/branch/guard.cov-map2
-rw-r--r--tests/coverage/branch/if-let.cov-map4
-rw-r--r--tests/coverage/branch/if.cov-map8
-rw-r--r--tests/coverage/branch/lazy-boolean.cov-map8
-rw-r--r--tests/coverage/branch/let-else.cov-map2
-rw-r--r--tests/coverage/branch/match-arms.cov-map6
-rw-r--r--tests/coverage/branch/match-trivial.cov-map4
-rw-r--r--tests/coverage/branch/no-mir-spans.cov-map8
-rw-r--r--tests/coverage/branch/while.cov-map8
-rw-r--r--tests/coverage/closure.cov-map42
-rw-r--r--tests/coverage/closure_bug.cov-map10
-rw-r--r--tests/coverage/closure_macro.cov-map6
-rw-r--r--tests/coverage/closure_macro_async.cov-map8
-rw-r--r--tests/coverage/closure_unit_return.cov-map8
-rw-r--r--tests/coverage/condition/conditions.cov-map14
-rw-r--r--tests/coverage/conditions.cov-map2
-rw-r--r--tests/coverage/continue.cov-map2
-rw-r--r--tests/coverage/coroutine.cov-map6
-rw-r--r--tests/coverage/coverage_attr_closure.cov-map8
-rw-r--r--tests/coverage/dead_code.cov-map6
-rw-r--r--tests/coverage/drop_trait.cov-map4
-rw-r--r--tests/coverage/fn_sig_into_try.cov-map8
-rw-r--r--tests/coverage/generic-unused-impl.cov-map4
-rw-r--r--tests/coverage/generics.cov-map10
-rw-r--r--tests/coverage/holes.cov-map10
-rw-r--r--tests/coverage/if.cov-map2
-rw-r--r--tests/coverage/if_else.cov-map2
-rw-r--r--tests/coverage/if_not.cov-map2
-rw-r--r--tests/coverage/ignore_run.cov-map2
-rw-r--r--tests/coverage/inline-dead.cov-map8
-rw-r--r--tests/coverage/inline.cov-map14
-rw-r--r--tests/coverage/inner_items.cov-map8
-rw-r--r--tests/coverage/issue-83601.cov-map2
-rw-r--r--tests/coverage/issue-84561.cov-map12
-rw-r--r--tests/coverage/issue-85461.cov-map2
-rw-r--r--tests/coverage/issue-93054.cov-map6
-rw-r--r--tests/coverage/lazy_boolean.cov-map2
-rw-r--r--tests/coverage/let_else_loop.cov-map6
-rw-r--r--tests/coverage/long_and_wide.cov-map8
-rw-r--r--tests/coverage/loop-break.cov-map2
-rw-r--r--tests/coverage/loop_break_value.cov-map2
-rw-r--r--tests/coverage/loops_branches.cov-map6
-rw-r--r--tests/coverage/macro_in_closure.cov-map4
-rw-r--r--tests/coverage/macro_name_span.cov-map4
-rw-r--r--tests/coverage/match_or_pattern.cov-map2
-rw-r--r--tests/coverage/mcdc/condition-limit.cov-map2
-rw-r--r--tests/coverage/mcdc/if.cov-map14
-rw-r--r--tests/coverage/mcdc/inlined_expressions.cov-map2
-rw-r--r--tests/coverage/mcdc/nested_if.cov-map8
-rw-r--r--tests/coverage/mcdc/non_control_flow.cov-map14
-rw-r--r--tests/coverage/nested_loops.cov-map2
-rw-r--r--tests/coverage/no-core.cov-map2
-rw-r--r--tests/coverage/no_cov_crate.cov-map14
-rw-r--r--tests/coverage/no_spans.cov-map4
-rw-r--r--tests/coverage/no_spans_if_not.cov-map4
-rw-r--r--tests/coverage/overflow.cov-map4
-rw-r--r--tests/coverage/panic_unwind.cov-map4
-rw-r--r--tests/coverage/partial_eq.cov-map4
-rw-r--r--tests/coverage/simple_loop.cov-map2
-rw-r--r--tests/coverage/simple_match.cov-map2
-rw-r--r--tests/coverage/sort_groups.cov-map12
-rw-r--r--tests/coverage/test_harness.cov-map4
-rw-r--r--tests/coverage/tight_inf_loop.cov-map2
-rw-r--r--tests/coverage/trivial.cov-map2
-rw-r--r--tests/coverage/try_error_result.cov-map12
-rw-r--r--tests/coverage/unicode.cov-map6
-rw-r--r--tests/coverage/unreachable.cov-map6
-rw-r--r--tests/coverage/unused.cov-map14
-rw-r--r--tests/coverage/unused_mod.cov-map4
-rw-r--r--tests/coverage/uses_crate.cov-map10
-rw-r--r--tests/coverage/uses_inline_crate.cov-map12
-rw-r--r--tests/coverage/while.cov-map2
-rw-r--r--tests/coverage/while_early_ret.cov-map2
-rw-r--r--tests/coverage/yield.cov-map6
91 files changed, 306 insertions, 306 deletions
diff --git a/tests/coverage/abort.cov-map b/tests/coverage/abort.cov-map
index 26536caeba5..4021537392b 100644
--- a/tests/coverage/abort.cov-map
+++ b/tests/coverage/abort.cov-map
@@ -1,7 +1,7 @@
 Function name: abort::main
 Raw bytes (83): 0x[01, 01, 07, 05, 01, 05, 0b, 01, 09, 05, 13, 01, 0d, 05, 1b, 01, 11, 0d, 01, 0d, 01, 01, 1b, 05, 02, 0b, 00, 18, 02, 01, 0c, 00, 19, 09, 00, 1a, 02, 0a, 06, 02, 09, 00, 0a, 02, 02, 0c, 00, 19, 0d, 00, 1a, 00, 31, 0e, 00, 30, 00, 31, 02, 04, 0c, 00, 19, 11, 00, 1a, 00, 31, 16, 00, 30, 00, 31, 02, 01, 09, 00, 17, 01, 02, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/abort.rs
 Number of expressions: 7
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
@@ -36,7 +36,7 @@ Highest counter ID seen: c4
 Function name: abort::might_abort
 Raw bytes (21): 0x[01, 01, 01, 01, 05, 03, 01, 03, 01, 01, 14, 05, 02, 09, 01, 0f, 02, 02, 0c, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/abort.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
diff --git a/tests/coverage/assert-ne.cov-map b/tests/coverage/assert-ne.cov-map
index 27d4b0382de..4bee7d7b97c 100644
--- a/tests/coverage/assert-ne.cov-map
+++ b/tests/coverage/assert-ne.cov-map
@@ -1,7 +1,7 @@
 Function name: assert_ne::main
 Raw bytes (28): 0x[01, 01, 02, 01, 05, 01, 09, 04, 01, 08, 01, 03, 15, 05, 04, 0d, 00, 13, 02, 02, 0d, 00, 13, 06, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/assert-ne.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
diff --git a/tests/coverage/assert.cov-map b/tests/coverage/assert.cov-map
index 903cccfe9cb..e7ee9197971 100644
--- a/tests/coverage/assert.cov-map
+++ b/tests/coverage/assert.cov-map
@@ -1,7 +1,7 @@
 Function name: assert::main
 Raw bytes (61): 0x[01, 01, 06, 05, 01, 05, 17, 01, 09, 05, 13, 17, 0d, 01, 09, 09, 01, 09, 01, 01, 1b, 05, 02, 0b, 00, 18, 02, 01, 0c, 00, 1a, 09, 00, 1b, 02, 0a, 06, 02, 13, 00, 20, 0d, 00, 21, 02, 0a, 0e, 02, 09, 00, 0a, 02, 01, 09, 00, 17, 01, 02, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/assert.rs
 Number of expressions: 6
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(5, Add)
@@ -28,7 +28,7 @@ Highest counter ID seen: c3
 Function name: assert::might_fail_assert
 Raw bytes (21): 0x[01, 01, 01, 01, 05, 03, 01, 04, 01, 02, 0f, 02, 02, 25, 00, 3d, 05, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/assert.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
diff --git a/tests/coverage/assert_not.cov-map b/tests/coverage/assert_not.cov-map
index 3aef4274edc..d3ef867a8a8 100644
--- a/tests/coverage/assert_not.cov-map
+++ b/tests/coverage/assert_not.cov-map
@@ -1,7 +1,7 @@
 Function name: assert_not::main
 Raw bytes (29): 0x[01, 01, 00, 05, 01, 06, 01, 01, 11, 01, 02, 05, 00, 13, 01, 01, 05, 00, 13, 01, 01, 05, 00, 15, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/assert_not.rs
 Number of expressions: 0
 Number of file 0 mappings: 5
 - Code(Counter(0)) at (prev + 6, 1) to (start + 1, 17)
diff --git a/tests/coverage/async.cov-map b/tests/coverage/async.cov-map
index 521562f6b91..8d8dd243057 100644
--- a/tests/coverage/async.cov-map
+++ b/tests/coverage/async.cov-map
@@ -1,7 +1,7 @@
 Function name: async::c
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 01, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 11, 1) to (start + 0, 25)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: async::c::{closure#0}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0b, 19, 01, 0e, 05, 02, 09, 00, 0a, 02, 02, 09, 00, 0a, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -24,7 +24,7 @@ Highest counter ID seen: c1
 Function name: async::d
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 01, 00, 14]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 19, 1) to (start + 0, 20)
@@ -33,7 +33,7 @@ Highest counter ID seen: c0
 Function name: async::d::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 14, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 19, 20) to (start + 0, 25)
@@ -42,7 +42,7 @@ Highest counter ID seen: c0
 Function name: async::e (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 15, 01, 00, 14]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 21, 1) to (start + 0, 20)
@@ -51,7 +51,7 @@ Highest counter ID seen: (none)
 Function name: async::e::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 15, 14, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 21, 20) to (start + 0, 25)
@@ -60,7 +60,7 @@ Highest counter ID seen: (none)
 Function name: async::f
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 01, 00, 14]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 23, 1) to (start + 0, 20)
@@ -69,7 +69,7 @@ Highest counter ID seen: c0
 Function name: async::f::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 14, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 23, 20) to (start + 0, 25)
@@ -78,7 +78,7 @@ Highest counter ID seen: c0
 Function name: async::foo (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 19, 01, 00, 1e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 25, 1) to (start + 0, 30)
@@ -87,7 +87,7 @@ Highest counter ID seen: (none)
 Function name: async::foo::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 19, 1e, 00, 2d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 25, 30) to (start + 0, 45)
@@ -96,7 +96,7 @@ Highest counter ID seen: (none)
 Function name: async::g
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1b, 01, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 27, 1) to (start + 0, 23)
@@ -105,7 +105,7 @@ Highest counter ID seen: c0
 Function name: async::g::{closure#0} (unused)
 Raw bytes (59): 0x[01, 01, 00, 0b, 00, 1b, 17, 01, 0c, 00, 02, 09, 00, 0a, 00, 00, 0e, 00, 17, 00, 00, 1b, 00, 1c, 00, 00, 20, 00, 22, 00, 01, 09, 00, 0a, 00, 00, 0e, 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
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 11
 - Code(Zero) at (prev + 27, 23) to (start + 1, 12)
@@ -124,7 +124,7 @@ Highest counter ID seen: (none)
 Function name: async::h
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 23, 01, 00, 16]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 35, 1) to (start + 0, 22)
@@ -133,7 +133,7 @@ Highest counter ID seen: c0
 Function name: async::h::{closure#0} (unused)
 Raw bytes (39): 0x[01, 01, 00, 07, 00, 23, 16, 03, 0c, 00, 04, 09, 00, 0a, 00, 00, 0e, 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
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 7
 - Code(Zero) at (prev + 35, 22) to (start + 3, 12)
@@ -148,7 +148,7 @@ Highest counter ID seen: (none)
 Function name: async::i
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 2c, 01, 00, 13]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 44, 1) to (start + 0, 19)
@@ -157,7 +157,7 @@ Highest counter ID seen: c0
 Function name: async::i::{closure#0}
 Raw bytes (65): 0x[01, 01, 03, 05, 09, 11, 15, 0d, 11, 0b, 01, 2c, 13, 04, 0c, 09, 05, 09, 00, 0a, 01, 00, 0e, 00, 18, 05, 00, 1c, 00, 21, 09, 00, 27, 00, 30, 15, 01, 09, 00, 0a, 02, 00, 0e, 00, 17, 11, 00, 1b, 00, 20, 15, 00, 24, 00, 26, 06, 01, 0e, 00, 10, 0b, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(4), rhs = Counter(5)
@@ -182,7 +182,7 @@ Highest counter ID seen: c5
 Function name: async::j
 Raw bytes (60): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 0a, 01, 37, 01, 00, 0d, 01, 0b, 0b, 00, 0c, 05, 01, 09, 00, 0a, 01, 00, 0e, 00, 1b, 05, 00, 1f, 00, 27, 09, 01, 09, 00, 0a, 02, 00, 0e, 00, 1a, 09, 00, 1e, 00, 20, 06, 01, 0e, 00, 10, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
@@ -205,7 +205,7 @@ Highest counter ID seen: c2
 Function name: async::j::c
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 39, 05, 01, 12, 05, 02, 0d, 00, 0e, 02, 02, 0d, 00, 0e, 01, 02, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -219,7 +219,7 @@ Highest counter ID seen: c1
 Function name: async::j::d
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 40, 05, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 64, 5) to (start + 0, 23)
@@ -228,7 +228,7 @@ Highest counter ID seen: c0
 Function name: async::j::f
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 41, 05, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 65, 5) to (start + 0, 23)
@@ -237,7 +237,7 @@ Highest counter ID seen: c0
 Function name: async::k (unused)
 Raw bytes (29): 0x[01, 01, 00, 05, 00, 49, 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
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 5
 - Code(Zero) at (prev + 73, 1) to (start + 1, 12)
@@ -250,7 +250,7 @@ Highest counter ID seen: (none)
 Function name: async::l
 Raw bytes (33): 0x[01, 01, 02, 01, 07, 05, 09, 05, 01, 51, 01, 01, 0c, 02, 02, 0e, 00, 10, 09, 01, 0e, 00, 10, 05, 01, 0e, 00, 10, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Expression(1, Add)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -266,7 +266,7 @@ Highest counter ID seen: c2
 Function name: async::m
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 59, 01, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 89, 1) to (start + 0, 25)
@@ -275,7 +275,7 @@ Highest counter ID seen: c0
 Function name: async::m::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 59, 19, 00, 22]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 89, 25) to (start + 0, 34)
@@ -284,7 +284,7 @@ Highest counter ID seen: (none)
 Function name: async::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 5b, 01, 08, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 91, 1) to (start + 8, 2)
diff --git a/tests/coverage/async2.cov-map b/tests/coverage/async2.cov-map
index c2a0645ee9a..43ec9f397bd 100644
--- a/tests/coverage/async2.cov-map
+++ b/tests/coverage/async2.cov-map
@@ -1,7 +1,7 @@
 Function name: async2::async_func
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0f, 01, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 15, 1) to (start + 0, 23)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: async2::async_func::{closure#0}
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 0f, 17, 03, 09, 01, 03, 0a, 02, 06, 00, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 15, 23) to (start + 3, 9)
@@ -22,7 +22,7 @@ Highest counter ID seen: c0
 Function name: async2::async_func_just_println
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 01, 00, 24]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 23, 1) to (start + 0, 36)
@@ -31,7 +31,7 @@ Highest counter ID seen: c0
 Function name: async2::async_func_just_println::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 24, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 23, 36) to (start + 2, 2)
@@ -40,7 +40,7 @@ Highest counter ID seen: c0
 Function name: async2::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1b, 01, 07, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 27, 1) to (start + 7, 2)
@@ -49,7 +49,7 @@ Highest counter ID seen: c0
 Function name: async2::non_async_func
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 07, 01, 03, 09, 01, 03, 0a, 02, 06, 00, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async2.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 7, 1) to (start + 3, 9)
diff --git a/tests/coverage/async_block.cov-map b/tests/coverage/async_block.cov-map
index d9196f446f1..9e76bb981ff 100644
--- a/tests/coverage/async_block.cov-map
+++ b/tests/coverage/async_block.cov-map
@@ -1,7 +1,7 @@
 Function name: async_block::main
 Raw bytes (36): 0x[01, 01, 01, 05, 01, 06, 01, 07, 01, 00, 0b, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 13, 02, 01, 0d, 00, 13, 02, 07, 09, 00, 22, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_block.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 6
@@ -19,7 +19,7 @@ Highest counter ID seen: c1
 Function name: async_block::main::{closure#0}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 09, 1c, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 01, 03, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_block.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
diff --git a/tests/coverage/async_closure.cov-map b/tests/coverage/async_closure.cov-map
index a4ef0ceeb6d..10b6db0fc71 100644
--- a/tests/coverage/async_closure.cov-map
+++ b/tests/coverage/async_closure.cov-map
@@ -1,7 +1,7 @@
 Function name: async_closure::call_once::<async_closure::main::{closure#0}>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 06, 01, 00, 2b]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 6, 1) to (start + 0, 43)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: async_closure::call_once::<async_closure::main::{closure#0}>::{closure#0}
 Raw bytes (16): 0x[01, 01, 01, 05, 09, 02, 01, 06, 2b, 01, 0e, 02, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 2
@@ -22,7 +22,7 @@ Highest counter ID seen: c0
 Function name: async_closure::main
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 0a, 01, 01, 16, 01, 02, 05, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 10, 1) to (start + 1, 22)
@@ -32,7 +32,7 @@ Highest counter ID seen: c0
 Function name: async_closure::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 0b, 22, 00, 23, 01, 00, 23, 00, 24]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 11, 34) to (start + 0, 35)
@@ -42,7 +42,7 @@ Highest counter ID seen: c0
 Function name: async_closure::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 0b, 22, 00, 23, 01, 00, 23, 00, 24]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 11, 34) to (start + 0, 35)
@@ -52,7 +52,7 @@ Highest counter ID seen: c0
 Function name: async_closure::main::{closure#0}::{closure#0}::<i16>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 22, 00, 24]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/async_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 11, 34) to (start + 0, 36)
diff --git a/tests/coverage/attr/impl.cov-map b/tests/coverage/attr/impl.cov-map
index 8a23c082082..ad24dfb6322 100644
--- a/tests/coverage/attr/impl.cov-map
+++ b/tests/coverage/attr/impl.cov-map
@@ -1,7 +1,7 @@
 Function name: <impl::MyStruct>::off_on (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 0f, 05, 00, 13]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/impl.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 15, 5) to (start + 0, 19)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: <impl::MyStruct>::on_inherit (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 17, 05, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/impl.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 23, 5) to (start + 0, 23)
@@ -19,7 +19,7 @@ Highest counter ID seen: (none)
 Function name: <impl::MyStruct>::on_on (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 1a, 05, 00, 12]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/impl.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 26, 5) to (start + 0, 18)
diff --git a/tests/coverage/attr/module.cov-map b/tests/coverage/attr/module.cov-map
index 81e20a2c264..eba24da0dd1 100644
--- a/tests/coverage/attr/module.cov-map
+++ b/tests/coverage/attr/module.cov-map
@@ -1,7 +1,7 @@
 Function name: module::off::on (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 0d, 05, 00, 0f]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/module.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 13, 5) to (start + 0, 15)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: module::on::inherit (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 15, 05, 00, 14]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/module.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 21, 5) to (start + 0, 20)
@@ -19,7 +19,7 @@ Highest counter ID seen: (none)
 Function name: module::on::on (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 18, 05, 00, 0f]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/module.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 24, 5) to (start + 0, 15)
diff --git a/tests/coverage/attr/nested.cov-map b/tests/coverage/attr/nested.cov-map
index 138b3159ea5..a831340bce5 100644
--- a/tests/coverage/attr/nested.cov-map
+++ b/tests/coverage/attr/nested.cov-map
@@ -1,7 +1,7 @@
 Function name: nested::closure_expr
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 40, 01, 01, 0f, 01, 0b, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 64, 1) to (start + 1, 15)
@@ -11,7 +11,7 @@ Highest counter ID seen: c0
 Function name: nested::closure_tail
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 4f, 01, 01, 0f, 01, 11, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 79, 1) to (start + 1, 15)
diff --git a/tests/coverage/attr/off-on-sandwich.cov-map b/tests/coverage/attr/off-on-sandwich.cov-map
index c55c5897d8b..d26f06bb81f 100644
--- a/tests/coverage/attr/off-on-sandwich.cov-map
+++ b/tests/coverage/attr/off-on-sandwich.cov-map
@@ -1,7 +1,7 @@
 Function name: off_on_sandwich::dense_a::dense_b
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 10, 05, 02, 10, 01, 07, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/off-on-sandwich.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 16, 5) to (start + 2, 16)
@@ -11,7 +11,7 @@ Highest counter ID seen: c0
 Function name: off_on_sandwich::sparse_a::sparse_b::sparse_c
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 22, 09, 02, 15, 01, 0b, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/off-on-sandwich.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 34, 9) to (start + 2, 21)
@@ -21,7 +21,7 @@ Highest counter ID seen: c0
 Function name: off_on_sandwich::sparse_a::sparse_b::sparse_c::sparse_d
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 25, 0d, 02, 19, 01, 07, 0d, 00, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/off-on-sandwich.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 37, 13) to (start + 2, 25)
diff --git a/tests/coverage/attr/trait-impl-inherit.cov-map b/tests/coverage/attr/trait-impl-inherit.cov-map
index eab9f926bb7..b3e87578592 100644
--- a/tests/coverage/attr/trait-impl-inherit.cov-map
+++ b/tests/coverage/attr/trait-impl-inherit.cov-map
@@ -1,7 +1,7 @@
 Function name: <trait_impl_inherit::S as trait_impl_inherit::T>::f
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/trait-impl-inherit.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 5) to (start + 2, 6)
diff --git a/tests/coverage/await_ready.cov-map b/tests/coverage/await_ready.cov-map
index 61fd4c7814d..7bff6a4a774 100644
--- a/tests/coverage/await_ready.cov-map
+++ b/tests/coverage/await_ready.cov-map
@@ -1,7 +1,7 @@
 Function name: await_ready::await_ready
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0e, 01, 00, 1e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/await_ready.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 14, 1) to (start + 0, 30)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: await_ready::await_ready::{closure#0}
 Raw bytes (16): 0x[01, 01, 01, 05, 09, 02, 01, 0e, 1e, 03, 0f, 02, 04, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/await_ready.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 2
diff --git a/tests/coverage/bad_counter_ids.cov-map b/tests/coverage/bad_counter_ids.cov-map
index f08a70a899d..2ef29930726 100644
--- a/tests/coverage/bad_counter_ids.cov-map
+++ b/tests/coverage/bad_counter_ids.cov-map
@@ -1,7 +1,7 @@
 Function name: bad_counter_ids::eq_bad
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 24, 01, 02, 0f, 00, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 36, 1) to (start + 2, 15)
@@ -11,7 +11,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::eq_bad_message
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 29, 01, 02, 0f, 01, 02, 20, 00, 2b, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 41, 1) to (start + 2, 15)
@@ -22,7 +22,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::eq_good
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 10, 01, 02, 0f, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 16, 1) to (start + 2, 15)
@@ -32,7 +32,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::eq_good_message
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 15, 01, 02, 0f, 00, 02, 20, 00, 2b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 21, 1) to (start + 2, 15)
@@ -43,7 +43,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::ne_bad
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 2e, 01, 02, 0f, 00, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 46, 1) to (start + 2, 15)
@@ -53,7 +53,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::ne_bad_message
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 33, 01, 02, 0f, 01, 02, 20, 00, 2b, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 51, 1) to (start + 2, 15)
@@ -64,7 +64,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::ne_good
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 1a, 01, 02, 0f, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 26, 1) to (start + 2, 15)
@@ -74,7 +74,7 @@ Highest counter ID seen: c0
 Function name: bad_counter_ids::ne_good_message
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 1f, 01, 02, 0f, 00, 02, 20, 00, 2b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bad_counter_ids.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 31, 1) to (start + 2, 15)
diff --git a/tests/coverage/bench.cov-map b/tests/coverage/bench.cov-map
index 9ee6510f690..1707957fddc 100644
--- a/tests/coverage/bench.cov-map
+++ b/tests/coverage/bench.cov-map
@@ -1,7 +1,7 @@
 Function name: bench::my_bench
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 00, 27]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/bench.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 8, 1) to (start + 0, 39)
diff --git a/tests/coverage/branch/generics.cov-map b/tests/coverage/branch/generics.cov-map
index 656890634ff..50e6eedb676 100644
--- a/tests/coverage/branch/generics.cov-map
+++ b/tests/coverage/branch/generics.cov-map
@@ -1,7 +1,7 @@
 Function name: generics::print_size::<()>
 Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 5
@@ -18,7 +18,7 @@ Highest counter ID seen: c1
 Function name: generics::print_size::<u32>
 Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 5
@@ -35,7 +35,7 @@ Highest counter ID seen: c1
 Function name: generics::print_size::<u64>
 Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 5
diff --git a/tests/coverage/branch/guard.cov-map b/tests/coverage/branch/guard.cov-map
index 46533df00f7..c1a275b34a3 100644
--- a/tests/coverage/branch/guard.cov-map
+++ b/tests/coverage/branch/guard.cov-map
@@ -1,7 +1,7 @@
 Function name: guard::branch_match_guard
 Raw bytes (89): 0x[01, 01, 08, 05, 0d, 09, 05, 05, 0f, 0d, 11, 17, 1b, 01, 05, 1f, 11, 09, 0d, 0d, 01, 0c, 01, 01, 0e, 02, 03, 0b, 00, 0c, 06, 01, 14, 02, 0a, 0d, 03, 0e, 00, 0f, 05, 00, 14, 00, 19, 20, 0d, 02, 00, 14, 00, 1e, 0d, 00, 1d, 02, 0a, 11, 03, 0e, 00, 0f, 02, 00, 14, 00, 19, 20, 11, 0a, 00, 14, 00, 1e, 11, 00, 1d, 02, 0a, 12, 03, 0e, 02, 0a, 01, 04, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/guard.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(1), rhs = Counter(3)
 - expression 1 operands: lhs = Counter(2), rhs = Counter(1)
diff --git a/tests/coverage/branch/if-let.cov-map b/tests/coverage/branch/if-let.cov-map
index 7f6b174615a..a7923223301 100644
--- a/tests/coverage/branch/if-let.cov-map
+++ b/tests/coverage/branch/if-let.cov-map
@@ -1,7 +1,7 @@
 Function name: if_let::if_let
 Raw bytes (43): 0x[01, 01, 01, 01, 05, 07, 01, 0c, 01, 01, 0e, 20, 02, 05, 03, 0c, 00, 13, 02, 00, 11, 00, 12, 01, 00, 16, 00, 1b, 02, 00, 1c, 02, 06, 05, 02, 0c, 02, 06, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if-let.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 7
@@ -21,7 +21,7 @@ Highest counter ID seen: c1
 Function name: if_let::if_let_chain
 Raw bytes (74): 0x[01, 01, 08, 01, 05, 01, 1f, 05, 09, 01, 1f, 05, 09, 01, 1f, 05, 09, 05, 09, 0a, 01, 17, 01, 00, 33, 20, 02, 05, 01, 0c, 00, 13, 02, 00, 11, 00, 12, 01, 00, 16, 00, 17, 20, 16, 09, 01, 10, 00, 17, 16, 00, 15, 00, 16, 02, 00, 1a, 00, 1b, 16, 01, 05, 03, 06, 1f, 03, 0c, 02, 06, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if-let.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(7, Add)
diff --git a/tests/coverage/branch/if.cov-map b/tests/coverage/branch/if.cov-map
index 1d40f032aa8..64b13fcfaa1 100644
--- a/tests/coverage/branch/if.cov-map
+++ b/tests/coverage/branch/if.cov-map
@@ -1,7 +1,7 @@
 Function name: if::branch_and
 Raw bytes (54): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 2b, 01, 01, 0e, 01, 03, 08, 00, 09, 20, 05, 02, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 20, 09, 06, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -25,7 +25,7 @@ Highest counter ID seen: c2
 Function name: if::branch_not
 Raw bytes (116): 0x[01, 01, 07, 01, 05, 01, 09, 01, 09, 01, 0d, 01, 0d, 01, 11, 01, 11, 12, 01, 0c, 01, 01, 0e, 01, 03, 08, 00, 09, 20, 05, 02, 00, 08, 00, 09, 05, 01, 09, 00, 10, 02, 01, 05, 00, 06, 01, 01, 08, 00, 0a, 20, 0a, 09, 00, 08, 00, 0a, 0a, 00, 0b, 02, 06, 09, 02, 05, 00, 06, 01, 01, 08, 00, 0b, 20, 0d, 12, 00, 08, 00, 0b, 0d, 00, 0c, 02, 06, 12, 02, 05, 00, 06, 01, 01, 08, 00, 0c, 20, 1a, 11, 00, 08, 00, 0c, 1a, 00, 0d, 02, 06, 11, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 7
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -70,7 +70,7 @@ Highest counter ID seen: c4
 Function name: if::branch_not_as
 Raw bytes (90): 0x[01, 01, 05, 01, 05, 01, 09, 01, 09, 01, 0d, 01, 0d, 0e, 01, 1d, 01, 01, 0e, 01, 03, 08, 00, 14, 20, 02, 05, 00, 08, 00, 14, 02, 00, 15, 02, 06, 05, 02, 05, 00, 06, 01, 01, 08, 00, 15, 20, 09, 0a, 00, 08, 00, 15, 09, 00, 16, 02, 06, 0a, 02, 05, 00, 06, 01, 01, 08, 00, 16, 20, 12, 0d, 00, 08, 00, 16, 12, 00, 17, 02, 06, 0d, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -106,7 +106,7 @@ Highest counter ID seen: c3
 Function name: if::branch_or
 Raw bytes (60): 0x[01, 01, 06, 01, 05, 01, 17, 05, 09, 05, 09, 01, 17, 05, 09, 08, 01, 35, 01, 01, 0e, 01, 03, 08, 00, 09, 20, 05, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 20, 09, 12, 00, 0d, 00, 0e, 17, 00, 0f, 02, 06, 12, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 6
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(5, Add)
diff --git a/tests/coverage/branch/lazy-boolean.cov-map b/tests/coverage/branch/lazy-boolean.cov-map
index 5d4fc57eb8f..b01ca5c94df 100644
--- a/tests/coverage/branch/lazy-boolean.cov-map
+++ b/tests/coverage/branch/lazy-boolean.cov-map
@@ -1,7 +1,7 @@
 Function name: lazy_boolean::branch_and
 Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 13, 01, 01, 0e, 01, 04, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/lazy-boolean.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -18,7 +18,7 @@ Highest counter ID seen: c1
 Function name: lazy_boolean::branch_or
 Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 1b, 01, 01, 0e, 01, 04, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/lazy-boolean.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -36,7 +36,7 @@ Highest counter ID seen: c1
 Function name: lazy_boolean::chain
 Raw bytes (141): 0x[01, 01, 0f, 01, 05, 05, 09, 09, 0d, 01, 11, 01, 11, 01, 3b, 11, 15, 01, 3b, 11, 15, 01, 37, 3b, 19, 11, 15, 01, 37, 3b, 19, 11, 15, 13, 01, 24, 01, 01, 0e, 01, 04, 09, 00, 0a, 01, 00, 0d, 00, 12, 20, 05, 02, 00, 0d, 00, 12, 05, 00, 16, 00, 1b, 20, 09, 06, 00, 16, 00, 1b, 09, 00, 1f, 00, 24, 20, 0d, 0a, 00, 1f, 00, 24, 0d, 00, 28, 00, 2d, 01, 01, 05, 00, 10, 01, 03, 09, 00, 0a, 01, 00, 0d, 00, 12, 20, 11, 12, 00, 0d, 00, 12, 12, 00, 16, 00, 1b, 20, 15, 1e, 00, 16, 00, 1b, 1e, 00, 1f, 00, 24, 20, 19, 32, 00, 1f, 00, 24, 32, 00, 28, 00, 2d, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/lazy-boolean.rs
 Number of expressions: 15
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -93,7 +93,7 @@ Highest counter ID seen: c6
 Function name: lazy_boolean::nested_mixed
 Raw bytes (137): 0x[01, 01, 0d, 01, 05, 01, 1f, 05, 09, 05, 09, 1f, 0d, 05, 09, 1f, 0d, 05, 09, 01, 11, 11, 15, 01, 15, 01, 33, 15, 19, 13, 01, 31, 01, 01, 0e, 01, 04, 09, 00, 0a, 01, 00, 0e, 00, 13, 20, 05, 02, 00, 0e, 00, 13, 02, 00, 17, 00, 1d, 20, 09, 06, 00, 17, 00, 1d, 1f, 00, 23, 00, 28, 20, 0d, 1a, 00, 23, 00, 28, 1a, 00, 2c, 00, 33, 01, 01, 05, 00, 10, 01, 03, 09, 00, 0a, 01, 00, 0e, 00, 13, 20, 11, 22, 00, 0e, 00, 13, 11, 00, 17, 00, 1c, 20, 15, 26, 00, 17, 00, 1c, 2a, 00, 22, 00, 28, 20, 19, 2e, 00, 22, 00, 28, 19, 00, 2c, 00, 33, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/lazy-boolean.rs
 Number of expressions: 13
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(7, Add)
diff --git a/tests/coverage/branch/let-else.cov-map b/tests/coverage/branch/let-else.cov-map
index 78507a32638..2af5e919f4c 100644
--- a/tests/coverage/branch/let-else.cov-map
+++ b/tests/coverage/branch/let-else.cov-map
@@ -1,7 +1,7 @@
 Function name: let_else::let_else
 Raw bytes (43): 0x[01, 01, 01, 01, 05, 07, 01, 0c, 01, 01, 0e, 20, 02, 05, 03, 09, 00, 10, 02, 00, 0e, 00, 0f, 01, 00, 13, 00, 18, 05, 01, 09, 01, 0f, 02, 04, 05, 00, 0a, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/let-else.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 7
diff --git a/tests/coverage/branch/match-arms.cov-map b/tests/coverage/branch/match-arms.cov-map
index ef71d12c8af..3f753f14eb5 100644
--- a/tests/coverage/branch/match-arms.cov-map
+++ b/tests/coverage/branch/match-arms.cov-map
@@ -1,7 +1,7 @@
 Function name: match_arms::guards
 Raw bytes (88): 0x[01, 01, 08, 15, 05, 19, 09, 1d, 0d, 21, 11, 01, 17, 1b, 11, 1f, 0d, 05, 09, 0c, 01, 30, 01, 01, 0e, 21, 03, 0b, 00, 10, 05, 01, 11, 00, 28, 20, 05, 02, 00, 17, 00, 1b, 09, 01, 11, 00, 28, 20, 09, 06, 00, 17, 00, 1b, 0d, 01, 11, 00, 28, 20, 0d, 0a, 00, 17, 00, 1b, 11, 01, 11, 00, 28, 20, 11, 0e, 00, 17, 00, 1b, 12, 01, 0e, 00, 15, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match-arms.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(5), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(6), rhs = Counter(2)
@@ -38,7 +38,7 @@ Highest counter ID seen: c8
 Function name: match_arms::match_arms
 Raw bytes (45): 0x[01, 01, 03, 01, 07, 0b, 0d, 05, 09, 07, 01, 18, 01, 01, 0e, 01, 03, 0b, 00, 10, 05, 01, 11, 00, 20, 09, 01, 11, 00, 20, 0d, 01, 11, 00, 20, 02, 01, 11, 00, 20, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match-arms.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Expression(1, Add)
 - expression 1 operands: lhs = Expression(2, Add), rhs = Counter(3)
@@ -57,7 +57,7 @@ Highest counter ID seen: c3
 Function name: match_arms::or_patterns
 Raw bytes (57): 0x[01, 01, 04, 05, 09, 01, 0b, 03, 0d, 01, 03, 09, 01, 25, 01, 01, 0e, 01, 03, 0b, 00, 10, 05, 01, 11, 00, 12, 09, 00, 1e, 00, 1f, 03, 00, 24, 00, 2d, 0d, 01, 11, 00, 12, 06, 00, 1e, 00, 1f, 0e, 00, 24, 00, 2d, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match-arms.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
diff --git a/tests/coverage/branch/match-trivial.cov-map b/tests/coverage/branch/match-trivial.cov-map
index 1b0c6d12e3d..dd05ae4e345 100644
--- a/tests/coverage/branch/match-trivial.cov-map
+++ b/tests/coverage/branch/match-trivial.cov-map
@@ -1,7 +1,7 @@
 Function name: match_trivial::_uninhabited (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 16, 01, 01, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match-trivial.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 22, 1) to (start + 1, 14)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: match_trivial::trivial
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 1e, 01, 01, 0e, 01, 03, 0b, 05, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match-trivial.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 30, 1) to (start + 1, 14)
diff --git a/tests/coverage/branch/no-mir-spans.cov-map b/tests/coverage/branch/no-mir-spans.cov-map
index 8fb44ef30fd..d28e6a58008 100644
--- a/tests/coverage/branch/no-mir-spans.cov-map
+++ b/tests/coverage/branch/no-mir-spans.cov-map
@@ -1,7 +1,7 @@
 Function name: no_mir_spans::while_cond
 Raw bytes (18): 0x[01, 01, 01, 05, 01, 02, 01, 10, 01, 00, 11, 20, 02, 01, 04, 0b, 00, 10]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no-mir-spans.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 2
@@ -14,7 +14,7 @@ Highest counter ID seen: c0
 Function name: no_mir_spans::while_cond_not
 Raw bytes (18): 0x[01, 01, 01, 05, 01, 02, 01, 19, 01, 00, 15, 20, 02, 01, 04, 0b, 00, 14]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no-mir-spans.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 2
@@ -27,7 +27,7 @@ Highest counter ID seen: c0
 Function name: no_mir_spans::while_op_and
 Raw bytes (31): 0x[01, 01, 04, 09, 05, 09, 01, 0f, 09, 01, 05, 03, 01, 22, 01, 00, 13, 20, 05, 02, 05, 0b, 00, 10, 20, 06, 0a, 00, 14, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no-mir-spans.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(2), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(2), rhs = Counter(0)
@@ -46,7 +46,7 @@ Highest counter ID seen: c1
 Function name: no_mir_spans::while_op_or
 Raw bytes (29): 0x[01, 01, 03, 09, 05, 09, 0b, 01, 05, 03, 01, 2d, 01, 00, 12, 20, 05, 02, 05, 0b, 00, 10, 20, 06, 01, 00, 14, 00, 19]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no-mir-spans.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(2), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(2), rhs = Expression(2, Add)
diff --git a/tests/coverage/branch/while.cov-map b/tests/coverage/branch/while.cov-map
index 67746af051b..e5fda26822e 100644
--- a/tests/coverage/branch/while.cov-map
+++ b/tests/coverage/branch/while.cov-map
@@ -1,7 +1,7 @@
 Function name: while::while_cond
 Raw bytes (38): 0x[01, 01, 01, 05, 01, 06, 01, 0c, 01, 01, 0e, 01, 03, 09, 00, 12, 05, 01, 0b, 00, 10, 20, 02, 01, 00, 0b, 00, 10, 02, 00, 11, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 6
@@ -19,7 +19,7 @@ Highest counter ID seen: c1
 Function name: while::while_cond_not
 Raw bytes (38): 0x[01, 01, 01, 05, 01, 06, 01, 15, 01, 01, 0e, 01, 03, 09, 00, 12, 05, 01, 0b, 00, 14, 20, 02, 01, 00, 0b, 00, 14, 02, 00, 15, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 6
@@ -37,7 +37,7 @@ Highest counter ID seen: c1
 Function name: while::while_op_and
 Raw bytes (58): 0x[01, 01, 05, 05, 09, 05, 01, 0f, 05, 01, 09, 05, 01, 08, 01, 1e, 01, 01, 0e, 01, 03, 09, 01, 12, 05, 02, 0b, 00, 10, 20, 09, 02, 00, 0b, 00, 10, 09, 00, 14, 00, 19, 20, 12, 0a, 00, 14, 00, 19, 12, 00, 1a, 03, 06, 01, 04, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(0)
@@ -63,7 +63,7 @@ Highest counter ID seen: c2
 Function name: while::while_op_or
 Raw bytes (56): 0x[01, 01, 04, 05, 09, 05, 0b, 01, 09, 05, 01, 08, 01, 29, 01, 01, 0e, 01, 03, 09, 01, 12, 05, 02, 0b, 00, 10, 20, 09, 02, 00, 0b, 00, 10, 02, 00, 14, 00, 19, 20, 06, 01, 00, 14, 00, 19, 0e, 00, 1a, 03, 06, 01, 04, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
diff --git a/tests/coverage/closure.cov-map b/tests/coverage/closure.cov-map
index 2d784ba09b6..096be9ea78a 100644
--- a/tests/coverage/closure.cov-map
+++ b/tests/coverage/closure.cov-map
@@ -1,7 +1,7 @@
 Function name: closure::main
 Raw bytes (126): 0x[01, 01, 01, 01, 05, 18, 01, 09, 01, 0d, 1b, 01, 1a, 05, 02, 0a, 01, 0c, 05, 11, 1b, 01, 1e, 05, 02, 0a, 01, 0c, 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, 05, 00, 06, 01, 01, 05, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 24
@@ -35,7 +35,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#0}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 28, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 09, 00, 0a, 01, 01, 09, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -49,7 +49,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#10} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 9b, 01, 07, 00, 21]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 155, 7) to (start + 0, 33)
@@ -58,7 +58,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#11} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 9f, 01, 07, 00, 21]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 159, 7) to (start + 0, 33)
@@ -67,7 +67,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#12} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, a7, 01, 01, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 167, 1) to (start + 0, 23)
@@ -76,7 +76,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#13} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, ac, 01, 0d, 02, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 172, 13) to (start + 2, 14)
@@ -85,7 +85,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#14}
 Raw bytes (22): 0x[01, 01, 01, 01, 05, 03, 01, b3, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
@@ -98,7 +98,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#15}
 Raw bytes (37): 0x[01, 01, 01, 01, 05, 06, 01, bb, 01, 09, 00, 0a, 01, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 02, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -114,7 +114,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#16}
 Raw bytes (22): 0x[01, 01, 01, 01, 05, 03, 01, c5, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
@@ -127,7 +127,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#17}
 Raw bytes (37): 0x[01, 01, 01, 01, 05, 06, 01, cd, 01, 09, 00, 0a, 01, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 02, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -143,7 +143,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#18}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 19, 0d, 02, 1c, 05, 02, 1d, 02, 12, 02, 02, 11, 00, 12, 01, 01, 11, 01, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -157,7 +157,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#19}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 43, 0d, 02, 1c, 05, 02, 1d, 02, 12, 02, 02, 11, 00, 12, 01, 01, 11, 01, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -171,7 +171,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#1}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 52, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 09, 00, 0a, 01, 01, 09, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -185,7 +185,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#2}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 68, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 09, 00, 0a, 01, 01, 09, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -199,7 +199,7 @@ Highest counter ID seen: c1
 Function name: closure::main::{closure#3} (unused)
 Raw bytes (25): 0x[01, 01, 00, 04, 00, 81, 01, 05, 01, 14, 00, 01, 15, 02, 0a, 00, 02, 09, 00, 0a, 00, 01, 09, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 129, 5) to (start + 1, 20)
@@ -211,7 +211,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#4} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 89, 01, 35, 00, 43]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 137, 53) to (start + 0, 67)
@@ -220,7 +220,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#5}
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 8c, 01, 3d, 00, 4f]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 140, 61) to (start + 0, 79)
@@ -229,7 +229,7 @@ Highest counter ID seen: c0
 Function name: closure::main::{closure#6}
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 8d, 01, 41, 00, 57]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 141, 65) to (start + 0, 87)
@@ -238,7 +238,7 @@ Highest counter ID seen: c0
 Function name: closure::main::{closure#7} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 8e, 01, 3b, 00, 51]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 142, 59) to (start + 0, 81)
@@ -247,7 +247,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#8} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 93, 01, 3b, 00, 55]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 147, 59) to (start + 0, 85)
@@ -256,7 +256,7 @@ Highest counter ID seen: (none)
 Function name: closure::main::{closure#9} (unused)
 Raw bytes (10): 0x[01, 01, 00, 01, 00, 95, 01, 38, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 149, 56) to (start + 2, 6)
diff --git a/tests/coverage/closure_bug.cov-map b/tests/coverage/closure_bug.cov-map
index 40a8bdf9c1d..8355cbf352b 100644
--- a/tests/coverage/closure_bug.cov-map
+++ b/tests/coverage/closure_bug.cov-map
@@ -1,7 +1,7 @@
 Function name: closure_bug::main
 Raw bytes (97): 0x[01, 01, 04, 01, 05, 01, 09, 01, 0d, 01, 11, 11, 01, 07, 01, 03, 0a, 01, 09, 05, 01, 0e, 05, 01, 0f, 00, 17, 02, 00, 16, 00, 17, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 09, 01, 0f, 00, 17, 06, 00, 16, 00, 17, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 0d, 01, 0f, 00, 17, 0a, 00, 16, 00, 17, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 11, 01, 0f, 00, 17, 0e, 00, 16, 00, 17, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_bug.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -34,7 +34,7 @@ Highest counter ID seen: c4
 Function name: closure_bug::main::{closure#0}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0e, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_bug.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -48,7 +48,7 @@ Highest counter ID seen: c1
 Function name: closure_bug::main::{closure#1}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 17, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_bug.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -62,7 +62,7 @@ Highest counter ID seen: c1
 Function name: closure_bug::main::{closure#2}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 20, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_bug.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -76,7 +76,7 @@ Highest counter ID seen: c1
 Function name: closure_bug::main::{closure#3}
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 29, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_bug.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
diff --git a/tests/coverage/closure_macro.cov-map b/tests/coverage/closure_macro.cov-map
index 9dd99c8fab3..c624896a720 100644
--- a/tests/coverage/closure_macro.cov-map
+++ b/tests/coverage/closure_macro.cov-map
@@ -1,7 +1,7 @@
 Function name: closure_macro::load_configuration_files
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1d, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 29, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: closure_macro::main
 Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 21, 01, 01, 20, 02, 02, 09, 00, 0f, 01, 00, 12, 00, 34, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -27,7 +27,7 @@ Highest counter ID seen: c1
 Function name: closure_macro::main::{closure#0}
 Raw bytes (35): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 05, 01, 10, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 06, 00, 17, 00, 1e, 01, 02, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
diff --git a/tests/coverage/closure_macro_async.cov-map b/tests/coverage/closure_macro_async.cov-map
index 2548754d754..77bf31de8bd 100644
--- a/tests/coverage/closure_macro_async.cov-map
+++ b/tests/coverage/closure_macro_async.cov-map
@@ -1,7 +1,7 @@
 Function name: closure_macro_async::load_configuration_files
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro_async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: closure_macro_async::test
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 00, 2b]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro_async.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 37, 1) to (start + 0, 43)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: closure_macro_async::test::{closure#0}
 Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 25, 2b, 01, 20, 02, 02, 09, 00, 0f, 01, 00, 12, 00, 34, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro_async.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 6
@@ -36,7 +36,7 @@ Highest counter ID seen: c1
 Function name: closure_macro_async::test::{closure#0}::{closure#0}
 Raw bytes (35): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 05, 01, 14, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 06, 00, 17, 00, 1e, 01, 02, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_macro_async.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
diff --git a/tests/coverage/closure_unit_return.cov-map b/tests/coverage/closure_unit_return.cov-map
index 9a66e0b0e77..c75119019fc 100644
--- a/tests/coverage/closure_unit_return.cov-map
+++ b/tests/coverage/closure_unit_return.cov-map
@@ -1,7 +1,7 @@
 Function name: closure_unit_return::explicit_unit
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 07, 01, 01, 10, 01, 05, 05, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_unit_return.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 7, 1) to (start + 1, 16)
@@ -11,7 +11,7 @@ Highest counter ID seen: c0
 Function name: closure_unit_return::explicit_unit::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 08, 16, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_unit_return.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 8, 22) to (start + 2, 6)
@@ -20,7 +20,7 @@ Highest counter ID seen: (none)
 Function name: closure_unit_return::implicit_unit
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 10, 01, 01, 10, 01, 05, 05, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_unit_return.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 16, 1) to (start + 1, 16)
@@ -30,7 +30,7 @@ Highest counter ID seen: c0
 Function name: closure_unit_return::implicit_unit::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 11, 16, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/closure_unit_return.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 17, 22) to (start + 2, 6)
diff --git a/tests/coverage/condition/conditions.cov-map b/tests/coverage/condition/conditions.cov-map
index c34075a0bcf..1bcf045b894 100644
--- a/tests/coverage/condition/conditions.cov-map
+++ b/tests/coverage/condition/conditions.cov-map
@@ -1,7 +1,7 @@
 Function name: conditions::assign_3_and_or
 Raw bytes (65): 0x[01, 01, 05, 01, 05, 05, 09, 01, 09, 01, 13, 09, 0d, 09, 01, 1c, 01, 00, 2f, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 0a, 00, 17, 00, 18, 20, 0d, 0e, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -30,7 +30,7 @@ Highest counter ID seen: c3
 Function name: conditions::assign_3_or_and
 Raw bytes (63): 0x[01, 01, 04, 01, 05, 01, 0b, 05, 09, 09, 0d, 09, 01, 17, 01, 00, 2f, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 09, 00, 17, 00, 18, 20, 0d, 0e, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
@@ -58,7 +58,7 @@ Highest counter ID seen: c3
 Function name: conditions::assign_and
 Raw bytes (47): 0x[01, 01, 02, 01, 05, 05, 09, 07, 01, 0d, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -79,7 +79,7 @@ Highest counter ID seen: c2
 Function name: conditions::assign_or
 Raw bytes (49): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 07, 01, 12, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 20, 09, 06, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
@@ -102,7 +102,7 @@ Highest counter ID seen: c2
 Function name: conditions::foo
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2)
@@ -111,7 +111,7 @@ Highest counter ID seen: c0
 Function name: conditions::func_call
 Raw bytes (47): 0x[01, 01, 02, 01, 05, 05, 09, 07, 01, 25, 01, 00, 20, 01, 01, 05, 00, 08, 01, 00, 09, 00, 0a, 20, 05, 02, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 06, 00, 0e, 00, 0f, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -132,7 +132,7 @@ Highest counter ID seen: c2
 Function name: conditions::simple_assign
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 8, 1) to (start + 3, 2)
diff --git a/tests/coverage/conditions.cov-map b/tests/coverage/conditions.cov-map
index 2d12f4bf774..86a31794813 100644
--- a/tests/coverage/conditions.cov-map
+++ b/tests/coverage/conditions.cov-map
@@ -1,7 +1,7 @@
 Function name: conditions::main
 Raw bytes (533): 0x[01, 01, 47, 05, 09, 01, 05, 09, 5d, 09, 27, 5d, 61, 27, 65, 5d, 61, 09, 23, 27, 65, 5d, 61, 01, 03, 03, 0d, 11, 51, 11, 4f, 51, 55, 4f, 59, 51, 55, 11, 4b, 4f, 59, 51, 55, 03, 97, 01, 0d, 11, 0d, 11, 0d, 11, 0d, 11, 0d, 11, 97, 01, 15, 0d, 11, 19, 45, 19, 8f, 01, 45, 49, 8f, 01, 4d, 45, 49, 19, 8b, 01, 8f, 01, 4d, 45, 49, 97, 01, db, 01, 0d, 11, 15, 19, 15, 19, 15, 19, 1d, 21, 15, 19, db, 01, 1d, 15, 19, 21, 39, 21, d3, 01, 39, 3d, d3, 01, 41, 39, 3d, 21, cf, 01, d3, 01, 41, 39, 3d, db, 01, 97, 02, 15, 19, 1d, 21, 25, 29, 1d, 21, 97, 02, 25, 1d, 21, 29, 2d, 29, 8f, 02, 2d, 31, 8f, 02, 35, 2d, 31, 29, 8b, 02, 8f, 02, 35, 2d, 31, 97, 02, 9b, 02, 1d, 21, 25, 29, 44, 01, 03, 01, 02, 0c, 01, 02, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 03, 09, 00, 0a, 01, 00, 10, 00, 1d, 05, 01, 09, 01, 0a, 06, 02, 0f, 00, 1c, 09, 01, 0c, 00, 19, 0a, 00, 1d, 00, 2a, 0e, 00, 2e, 00, 3c, 23, 00, 3d, 02, 0a, 1e, 02, 09, 00, 0a, 09, 01, 09, 01, 12, 2a, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 03, 01, 0d, 02, 06, 00, 02, 05, 00, 06, 03, 02, 08, 00, 15, 0d, 00, 16, 02, 06, 2e, 02, 0f, 00, 1c, 11, 01, 0c, 00, 19, 32, 00, 1d, 00, 2a, 36, 00, 2e, 00, 3c, 4b, 00, 3d, 02, 0a, 46, 02, 09, 00, 0a, 11, 01, 09, 00, 17, 52, 02, 09, 00, 0f, 97, 01, 03, 08, 00, 0c, 97, 01, 01, 0d, 01, 10, 97, 01, 01, 11, 02, 0a, 00, 02, 09, 00, 0a, 97, 01, 02, 0c, 00, 19, 15, 00, 1a, 02, 0a, 6a, 04, 11, 00, 1e, 19, 01, 10, 00, 1d, 72, 00, 21, 00, 2e, 76, 00, 32, 00, 40, 8b, 01, 00, 41, 02, 0e, 86, 01, 02, 0d, 00, 0e, 19, 01, 0d, 00, 1b, 92, 01, 02, 0d, 00, 13, 00, 02, 05, 00, 06, db, 01, 02, 09, 01, 0c, db, 01, 01, 0d, 02, 06, 00, 02, 05, 00, 06, 97, 02, 02, 09, 00, 0a, db, 01, 00, 10, 00, 1d, 1d, 00, 1e, 02, 06, ae, 01, 02, 0f, 00, 1c, 21, 01, 0c, 00, 19, b6, 01, 00, 1d, 00, 2a, ba, 01, 00, 2e, 00, 3c, cf, 01, 00, 3d, 02, 0a, ca, 01, 02, 09, 00, 0a, 21, 01, 09, 00, 17, d6, 01, 02, 0d, 02, 0f, 9b, 02, 05, 09, 00, 0a, 97, 02, 00, 10, 00, 1d, 25, 00, 1e, 02, 06, ea, 01, 02, 0f, 00, 1c, 29, 01, 0c, 00, 19, f2, 01, 00, 1d, 00, 2a, f6, 01, 00, 2e, 00, 3c, 8b, 02, 00, 3d, 02, 0a, 86, 02, 02, 09, 00, 0a, 29, 01, 09, 00, 17, 92, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/conditions.rs
 Number of expressions: 71
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(1)
diff --git a/tests/coverage/continue.cov-map b/tests/coverage/continue.cov-map
index d926741cbcb..a8077a32df7 100644
--- a/tests/coverage/continue.cov-map
+++ b/tests/coverage/continue.cov-map
@@ -1,7 +1,7 @@
 Function name: continue::main
 Raw bytes (198): 0x[01, 01, 16, 05, 01, 05, 0b, 01, 09, 0d, 01, 0d, 1f, 01, 11, 0d, 1f, 01, 11, 15, 01, 15, 2b, 01, 19, 1d, 01, 1d, 37, 01, 21, 25, 01, 25, 43, 01, 29, 25, 01, 2d, 01, 53, 2d, 01, 31, 2d, 01, 1e, 01, 03, 01, 03, 12, 05, 04, 0e, 00, 13, 02, 01, 0f, 00, 16, 09, 02, 11, 00, 19, 06, 02, 12, 04, 0e, 0d, 06, 0e, 00, 13, 0e, 01, 0f, 00, 16, 1a, 01, 16, 02, 0e, 11, 04, 11, 00, 19, 1a, 03, 09, 00, 0e, 15, 02, 0e, 00, 13, 22, 01, 0f, 00, 16, 19, 01, 15, 02, 0e, 26, 04, 11, 00, 19, 19, 03, 09, 00, 0e, 1d, 02, 0e, 00, 13, 2e, 01, 0c, 00, 13, 21, 01, 0d, 00, 15, 32, 01, 0a, 01, 0e, 25, 03, 0e, 00, 13, 46, 01, 0f, 00, 16, 3e, 01, 16, 02, 0e, 29, 03, 12, 02, 0e, 46, 04, 09, 00, 0e, 2d, 02, 0e, 00, 13, 31, 01, 0f, 00, 16, 56, 01, 16, 02, 0e, 4e, 04, 11, 00, 16, 56, 03, 09, 00, 0e, 01, 02, 0d, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/continue.rs
 Number of expressions: 22
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map
index fee32376d83..0ce91553863 100644
--- a/tests/coverage/coroutine.cov-map
+++ b/tests/coverage/coroutine.cov-map
@@ -1,7 +1,7 @@
 Function name: coroutine::get_u32
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0b, 01, 01, 0b, 05, 02, 09, 00, 0e, 02, 02, 09, 00, 28, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coroutine.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -15,7 +15,7 @@ Highest counter ID seen: c1
 Function name: coroutine::main
 Raw bytes (53): 0x[01, 01, 02, 01, 05, 05, 09, 09, 01, 13, 01, 02, 16, 01, 08, 0b, 00, 2d, 05, 01, 2b, 00, 2d, 02, 01, 0e, 00, 14, 05, 02, 0b, 00, 2e, 0d, 01, 22, 00, 27, 09, 00, 2c, 00, 2e, 06, 01, 0e, 00, 14, 09, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coroutine.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -36,7 +36,7 @@ Highest counter ID seen: c3
 Function name: coroutine::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 16, 08, 01, 1f, 05, 02, 10, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coroutine.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 22, 8) to (start + 1, 31)
diff --git a/tests/coverage/coverage_attr_closure.cov-map b/tests/coverage/coverage_attr_closure.cov-map
index fb861996a0d..e029a3b4643 100644
--- a/tests/coverage/coverage_attr_closure.cov-map
+++ b/tests/coverage/coverage_attr_closure.cov-map
@@ -1,7 +1,7 @@
 Function name: coverage_attr_closure::GLOBAL_CLOSURE_ON::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 06, 0f, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coverage_attr_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 6, 15) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: coverage_attr_closure::contains_closures_off::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 1d, 13, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coverage_attr_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 29, 19) to (start + 2, 6)
@@ -19,7 +19,7 @@ Highest counter ID seen: (none)
 Function name: coverage_attr_closure::contains_closures_on
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 0f, 01, 01, 1a, 01, 05, 09, 00, 1b, 01, 04, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coverage_attr_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 15, 1) to (start + 1, 26)
@@ -30,7 +30,7 @@ Highest counter ID seen: c0
 Function name: coverage_attr_closure::contains_closures_on::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 11, 13, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/coverage_attr_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 17, 19) to (start + 2, 6)
diff --git a/tests/coverage/dead_code.cov-map b/tests/coverage/dead_code.cov-map
index 897372fe0b5..4cb311428a1 100644
--- a/tests/coverage/dead_code.cov-map
+++ b/tests/coverage/dead_code.cov-map
@@ -1,7 +1,7 @@
 Function name: dead_code::main
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 1b, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/dead_code.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -15,7 +15,7 @@ Highest counter ID seen: c1
 Function name: dead_code::unused_fn (unused)
 Raw bytes (24): 0x[01, 01, 00, 04, 00, 0f, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 05, 00, 06, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/dead_code.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 15, 1) to (start + 7, 15)
@@ -27,7 +27,7 @@ Highest counter ID seen: (none)
 Function name: dead_code::unused_pub_fn_not_in_library (unused)
 Raw bytes (24): 0x[01, 01, 00, 04, 00, 03, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 05, 00, 06, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/dead_code.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 3, 1) to (start + 7, 15)
diff --git a/tests/coverage/drop_trait.cov-map b/tests/coverage/drop_trait.cov-map
index 16facf2eddf..a52ebd87aa8 100644
--- a/tests/coverage/drop_trait.cov-map
+++ b/tests/coverage/drop_trait.cov-map
@@ -1,7 +1,7 @@
 Function name: <drop_trait::Firework as core::ops::drop::Drop>::drop
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 09, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/drop_trait.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 9, 5) to (start + 2, 6)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: drop_trait::main
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 0e, 01, 05, 0c, 01, 06, 09, 01, 16, 00, 02, 06, 04, 0b, 01, 05, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/drop_trait.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 14, 1) to (start + 5, 12)
diff --git a/tests/coverage/fn_sig_into_try.cov-map b/tests/coverage/fn_sig_into_try.cov-map
index 6d6034928c9..465baa7f7f9 100644
--- a/tests/coverage/fn_sig_into_try.cov-map
+++ b/tests/coverage/fn_sig_into_try.cov-map
@@ -1,7 +1,7 @@
 Function name: fn_sig_into_try::a
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 01, 05, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/fn_sig_into_try.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 10, 1) to (start + 5, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: fn_sig_into_try::b
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 11, 01, 03, 0f, 00, 03, 0f, 00, 10, 01, 01, 05, 00, 0c, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/fn_sig_into_try.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 17, 1) to (start + 3, 15)
@@ -22,7 +22,7 @@ Highest counter ID seen: c0
 Function name: fn_sig_into_try::c
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 18, 01, 03, 17, 00, 03, 17, 00, 18, 01, 01, 05, 00, 0c, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/fn_sig_into_try.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 24, 1) to (start + 3, 23)
@@ -34,7 +34,7 @@ Highest counter ID seen: c0
 Function name: fn_sig_into_try::d
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 1f, 01, 04, 0f, 00, 04, 0f, 00, 10, 01, 01, 05, 00, 0c, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/fn_sig_into_try.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 31, 1) to (start + 4, 15)
diff --git a/tests/coverage/generic-unused-impl.cov-map b/tests/coverage/generic-unused-impl.cov-map
index 5878de231ba..119c426965d 100644
--- a/tests/coverage/generic-unused-impl.cov-map
+++ b/tests/coverage/generic-unused-impl.cov-map
@@ -1,7 +1,7 @@
 Function name: <generic_unused_impl::W<_> as core::convert::From<[<_ as generic_unused_impl::Foo>::Assoc; 1]>>::from (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 0b, 05, 03, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generic-unused-impl.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 11, 5) to (start + 3, 6)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: generic_unused_impl::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 01, 00, 0d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generic-unused-impl.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 1) to (start + 0, 13)
diff --git a/tests/coverage/generics.cov-map b/tests/coverage/generics.cov-map
index bc5661afdc1..92c6ad01e30 100644
--- a/tests/coverage/generics.cov-map
+++ b/tests/coverage/generics.cov-map
@@ -1,7 +1,7 @@
 Function name: <generics::Firework<f64> as core::ops::drop::Drop>::drop
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 5) to (start + 2, 6)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: <generics::Firework<f64>>::set_strength
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 10, 5) to (start + 2, 6)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: <generics::Firework<i32> as core::ops::drop::Drop>::drop
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 5) to (start + 2, 6)
@@ -28,7 +28,7 @@ Highest counter ID seen: c0
 Function name: <generics::Firework<i32>>::set_strength
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 10, 5) to (start + 2, 6)
@@ -37,7 +37,7 @@ Highest counter ID seen: c0
 Function name: generics::main
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 01, 08, 0c, 01, 09, 09, 01, 16, 00, 02, 06, 04, 0b, 01, 05, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/generics.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 22, 1) to (start + 8, 12)
diff --git a/tests/coverage/holes.cov-map b/tests/coverage/holes.cov-map
index 6e2d243e8dd..5298c2d92d5 100644
--- a/tests/coverage/holes.cov-map
+++ b/tests/coverage/holes.cov-map
@@ -1,7 +1,7 @@
 Function name: <holes::main::MyStruct>::_method (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 2b, 09, 00, 1d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/holes.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 43, 9) to (start + 0, 29)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: holes::main
 Raw bytes (69): 0x[01, 01, 00, 0d, 01, 08, 01, 01, 11, 01, 05, 05, 00, 11, 01, 07, 09, 00, 11, 01, 09, 05, 00, 11, 01, 04, 05, 00, 11, 01, 07, 05, 00, 11, 01, 06, 05, 00, 11, 01, 04, 05, 00, 11, 01, 04, 05, 00, 11, 01, 06, 05, 03, 0f, 01, 0a, 05, 03, 0f, 01, 0a, 05, 06, 27, 01, 13, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/holes.rs
 Number of expressions: 0
 Number of file 0 mappings: 13
 - Code(Counter(0)) at (prev + 8, 1) to (start + 1, 17)
@@ -31,7 +31,7 @@ Highest counter ID seen: c0
 Function name: holes::main::_unused_fn (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 1f, 05, 00, 17]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/holes.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 31, 5) to (start + 0, 23)
@@ -40,7 +40,7 @@ Highest counter ID seen: (none)
 Function name: holes::main::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 18, 09, 02, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/holes.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 24, 9) to (start + 2, 10)
@@ -49,7 +49,7 @@ Highest counter ID seen: (none)
 Function name: holes::main::{closure#1} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 4b, 09, 02, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/holes.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 75, 9) to (start + 2, 10)
diff --git a/tests/coverage/if.cov-map b/tests/coverage/if.cov-map
index a77ba8194a4..611dd2ef08d 100644
--- a/tests/coverage/if.cov-map
+++ b/tests/coverage/if.cov-map
@@ -1,7 +1,7 @@
 Function name: if::main
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 04, 01, 12, 10, 05, 13, 05, 05, 06, 02, 05, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
diff --git a/tests/coverage/if_else.cov-map b/tests/coverage/if_else.cov-map
index 194ad6ca71f..35096d85950 100644
--- a/tests/coverage/if_else.cov-map
+++ b/tests/coverage/if_else.cov-map
@@ -1,7 +1,7 @@
 Function name: if_else::main
 Raw bytes (43): 0x[01, 01, 02, 01, 05, 01, 09, 07, 01, 04, 01, 08, 10, 05, 09, 05, 05, 06, 02, 08, 09, 02, 10, 01, 06, 09, 00, 10, 09, 01, 05, 05, 06, 06, 07, 05, 05, 06, 01, 06, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if_else.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
diff --git a/tests/coverage/if_not.cov-map b/tests/coverage/if_not.cov-map
index f47139ce5a4..0fd35c55e3e 100644
--- a/tests/coverage/if_not.cov-map
+++ b/tests/coverage/if_not.cov-map
@@ -1,7 +1,7 @@
 Function name: if_not::if_not
 Raw bytes (60): 0x[01, 01, 03, 01, 05, 01, 09, 01, 0d, 0a, 01, 05, 01, 03, 0d, 02, 04, 05, 02, 06, 05, 02, 05, 00, 06, 01, 03, 09, 01, 0d, 06, 02, 05, 02, 06, 09, 02, 05, 00, 06, 01, 03, 09, 01, 0d, 0a, 02, 05, 02, 06, 0d, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if_not.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
diff --git a/tests/coverage/ignore_run.cov-map b/tests/coverage/ignore_run.cov-map
index c8ad3821e16..a93fff71530 100644
--- a/tests/coverage/ignore_run.cov-map
+++ b/tests/coverage/ignore_run.cov-map
@@ -1,7 +1,7 @@
 Function name: ignore_run::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 03, 01, 00, 0d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/ignore_run.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 3, 1) to (start + 0, 13)
diff --git a/tests/coverage/inline-dead.cov-map b/tests/coverage/inline-dead.cov-map
index 65cefe76c29..450fb75b7c8 100644
--- a/tests/coverage/inline-dead.cov-map
+++ b/tests/coverage/inline-dead.cov-map
@@ -1,7 +1,7 @@
 Function name: inline_dead::dead (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 17, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline-dead.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 23, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: inline_dead::live::<false>
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0e, 01, 01, 09, 05, 02, 09, 00, 0d, 02, 02, 09, 00, 0a, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline-dead.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -24,7 +24,7 @@ Highest counter ID seen: c1
 Function name: inline_dead::main
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 04, 01, 03, 0a, 01, 06, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline-dead.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 4, 1) to (start + 3, 10)
@@ -34,7 +34,7 @@ Highest counter ID seen: c0
 Function name: inline_dead::main::{closure#0}
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 07, 17, 01, 16, 00, 01, 17, 00, 18, 01, 01, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline-dead.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 7, 23) to (start + 1, 22)
diff --git a/tests/coverage/inline.cov-map b/tests/coverage/inline.cov-map
index 7264391baaf..5aa57e15bd5 100644
--- a/tests/coverage/inline.cov-map
+++ b/tests/coverage/inline.cov-map
@@ -1,7 +1,7 @@
 Function name: inline::display::<char>
 Raw bytes (31): 0x[01, 01, 01, 05, 01, 05, 01, 29, 01, 00, 22, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 10, 02, 00, 11, 02, 06, 01, 03, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 5
@@ -17,7 +17,7 @@ Highest counter ID seen: c1
 Function name: inline::error
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 31, 01, 01, 0b]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 49, 1) to (start + 1, 11)
@@ -26,7 +26,7 @@ Highest counter ID seen: c0
 Function name: inline::length::<char>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1e, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 30, 1) to (start + 2, 2)
@@ -35,7 +35,7 @@ Highest counter ID seen: c0
 Function name: inline::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 05, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 5, 1) to (start + 2, 2)
@@ -44,7 +44,7 @@ Highest counter ID seen: c0
 Function name: inline::permutate::<char>
 Raw bytes (54): 0x[01, 01, 05, 01, 05, 0d, 09, 0d, 09, 01, 13, 05, 09, 08, 01, 0f, 01, 02, 0e, 05, 02, 0f, 02, 06, 02, 02, 0f, 00, 14, 0a, 01, 0d, 00, 0e, 09, 00, 12, 00, 16, 0a, 00, 17, 04, 0a, 0e, 05, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(3), rhs = Counter(2)
@@ -69,7 +69,7 @@ Highest counter ID seen: c2
 Function name: inline::permutations::<char>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 01, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 10, 1) to (start + 3, 2)
@@ -78,7 +78,7 @@ Highest counter ID seen: c0
 Function name: inline::swap::<char>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 23, 01, 04, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inline.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 35, 1) to (start + 4, 2)
diff --git a/tests/coverage/inner_items.cov-map b/tests/coverage/inner_items.cov-map
index a12cce25b64..a9e19fe53a5 100644
--- a/tests/coverage/inner_items.cov-map
+++ b/tests/coverage/inner_items.cov-map
@@ -1,7 +1,7 @@
 Function name: <inner_items::main::InStruct as inner_items::main::InTrait>::default_trait_func
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 09, 03, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inner_items.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 9) to (start + 3, 10)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: <inner_items::main::InStruct as inner_items::main::InTrait>::trait_func
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 28, 09, 03, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inner_items.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 40, 9) to (start + 3, 10)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: inner_items::main
 Raw bytes (43): 0x[01, 01, 02, 01, 05, 01, 09, 07, 01, 03, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 05, 00, 06, 01, 24, 08, 00, 0f, 09, 00, 10, 02, 06, 06, 02, 05, 00, 06, 01, 02, 09, 05, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inner_items.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -38,7 +38,7 @@ Highest counter ID seen: c2
 Function name: inner_items::main::in_func
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 12, 05, 04, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inner_items.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 18, 5) to (start + 4, 6)
diff --git a/tests/coverage/issue-83601.cov-map b/tests/coverage/issue-83601.cov-map
index f1023109008..4e45db836d6 100644
--- a/tests/coverage/issue-83601.cov-map
+++ b/tests/coverage/issue-83601.cov-map
@@ -1,7 +1,7 @@
 Function name: issue_83601::main
 Raw bytes (21): 0x[01, 01, 01, 05, 09, 03, 01, 06, 01, 02, 0f, 05, 03, 09, 01, 0f, 02, 02, 05, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-83601.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(2)
 Number of file 0 mappings: 3
diff --git a/tests/coverage/issue-84561.cov-map b/tests/coverage/issue-84561.cov-map
index 47e2922a805..1ed5edbb819 100644
--- a/tests/coverage/issue-84561.cov-map
+++ b/tests/coverage/issue-84561.cov-map
@@ -1,7 +1,7 @@
 Function name: <issue_84561::Foo as core::fmt::Debug>::fmt
 Raw bytes (27): 0x[01, 01, 01, 01, 05, 04, 01, 8a, 01, 05, 01, 24, 05, 01, 25, 00, 26, 02, 01, 09, 00, 0f, 01, 01, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -15,7 +15,7 @@ Highest counter ID seen: c1
 Function name: issue_84561::main
 Raw bytes (10): 0x[01, 01, 00, 01, 01, b4, 01, 01, 04, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 180, 1) to (start + 4, 2)
@@ -24,7 +24,7 @@ Highest counter ID seen: c0
 Function name: issue_84561::test1
 Raw bytes (50): 0x[01, 01, 00, 09, 01, 9a, 01, 01, 01, 0b, 05, 01, 0c, 00, 1e, 01, 01, 05, 00, 0b, 09, 00, 0c, 00, 1e, 01, 01, 0d, 01, 0b, 0d, 01, 0c, 00, 1e, 01, 01, 05, 03, 0b, 11, 03, 0c, 00, 1e, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 0
 Number of file 0 mappings: 9
 - Code(Counter(0)) at (prev + 154, 1) to (start + 1, 11)
@@ -41,7 +41,7 @@ Highest counter ID seen: c4
 Function name: issue_84561::test2
 Raw bytes (20): 0x[01, 01, 00, 03, 01, b0, 01, 01, 01, 10, 05, 01, 11, 00, 23, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 176, 1) to (start + 1, 16)
@@ -52,7 +52,7 @@ Highest counter ID seen: c1
 Function name: issue_84561::test2::call_print
 Raw bytes (10): 0x[01, 01, 00, 01, 01, a7, 01, 09, 02, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 167, 9) to (start + 2, 10)
@@ -61,7 +61,7 @@ Highest counter ID seen: c0
 Function name: issue_84561::test3
 Raw bytes (279): 0x[01, 01, 0a, 0d, 11, 0d, 15, 0d, 19, 1d, 21, 29, 2d, 25, 29, 25, 29, 25, 29, 27, 31, 29, 2d, 33, 01, 08, 01, 03, 0f, 05, 04, 09, 01, 0f, 09, 02, 05, 04, 0f, 09, 05, 05, 00, 0f, 09, 01, 05, 00, 0f, 09, 01, 09, 01, 0f, 0d, 02, 05, 00, 0f, 0d, 01, 05, 00, 0f, 00, 00, 20, 00, 30, 0d, 01, 05, 03, 0f, 00, 03, 20, 00, 30, 00, 00, 33, 00, 41, 00, 00, 4b, 00, 5a, 0d, 01, 05, 00, 0f, 00, 05, 09, 03, 10, 00, 05, 0d, 00, 1b, 00, 02, 0d, 00, 1c, 0d, 04, 09, 02, 0f, 0d, 06, 05, 00, 0f, 0d, 04, 05, 00, 0f, 0d, 04, 09, 01, 0f, 0d, 05, 08, 00, 0f, 11, 01, 09, 00, 13, 02, 05, 09, 00, 13, 0d, 05, 08, 00, 0f, 15, 01, 09, 00, 13, 00, 03, 0d, 00, 1d, 06, 03, 09, 00, 13, 00, 03, 0d, 00, 1d, 0d, 03, 05, 00, 0f, 0d, 01, 0c, 00, 13, 19, 01, 0d, 00, 13, 0a, 02, 0d, 00, 13, 1d, 04, 05, 02, 13, 21, 03, 0d, 00, 13, 0e, 02, 0d, 00, 13, 27, 03, 05, 00, 0f, 25, 01, 0c, 00, 13, 29, 01, 0d, 00, 17, 29, 04, 0d, 00, 13, 1e, 02, 0d, 00, 17, 1e, 01, 14, 00, 1b, 00, 01, 15, 00, 1b, 1e, 02, 15, 00, 1b, 2d, 04, 0d, 00, 13, 22, 03, 09, 00, 19, 31, 02, 05, 00, 0f, 31, 03, 09, 00, 22, 00, 02, 05, 00, 0f, 00, 03, 09, 00, 2c, 00, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-84561.rs
 Number of expressions: 10
 - expression 0 operands: lhs = Counter(3), rhs = Counter(4)
 - expression 1 operands: lhs = Counter(3), rhs = Counter(5)
diff --git a/tests/coverage/issue-85461.cov-map b/tests/coverage/issue-85461.cov-map
index 349bc2cab80..566206a7539 100644
--- a/tests/coverage/issue-85461.cov-map
+++ b/tests/coverage/issue-85461.cov-map
@@ -1,7 +1,7 @@
 Function name: issue_85461::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-85461.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 8, 1) to (start + 3, 2)
diff --git a/tests/coverage/issue-93054.cov-map b/tests/coverage/issue-93054.cov-map
index 38cb70a3f97..3cb54d80e7f 100644
--- a/tests/coverage/issue-93054.cov-map
+++ b/tests/coverage/issue-93054.cov-map
@@ -1,7 +1,7 @@
 Function name: issue_93054::foo2 (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 15, 01, 00, 1d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-93054.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 21, 1) to (start + 0, 29)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: issue_93054::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1d, 01, 00, 0d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-93054.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 29, 1) to (start + 0, 13)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: issue_93054::make (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 19, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/issue-93054.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 25, 1) to (start + 2, 2)
diff --git a/tests/coverage/lazy_boolean.cov-map b/tests/coverage/lazy_boolean.cov-map
index 3f7788da1eb..9722b4c2a32 100644
--- a/tests/coverage/lazy_boolean.cov-map
+++ b/tests/coverage/lazy_boolean.cov-map
@@ -1,7 +1,7 @@
 Function name: lazy_boolean::main
 Raw bytes (158): 0x[01, 01, 07, 01, 05, 01, 25, 01, 21, 01, 11, 01, 15, 01, 19, 01, 1d, 1c, 01, 04, 01, 07, 0f, 05, 07, 10, 04, 06, 02, 04, 05, 00, 06, 01, 02, 09, 00, 11, 01, 02, 0d, 00, 12, 06, 02, 0d, 00, 12, 01, 03, 09, 00, 11, 01, 02, 0d, 00, 12, 0a, 02, 0d, 00, 12, 01, 02, 09, 00, 11, 01, 00, 14, 00, 19, 09, 00, 1d, 00, 22, 01, 01, 09, 00, 11, 01, 00, 14, 00, 19, 0d, 00, 1d, 00, 22, 01, 03, 09, 01, 10, 0e, 02, 05, 03, 06, 11, 03, 05, 00, 06, 01, 03, 09, 00, 10, 15, 01, 05, 03, 06, 12, 05, 05, 03, 06, 01, 05, 08, 00, 10, 16, 00, 11, 02, 06, 19, 02, 05, 00, 06, 01, 02, 08, 00, 0f, 1d, 00, 10, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/lazy_boolean.rs
 Number of expressions: 7
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(9)
diff --git a/tests/coverage/let_else_loop.cov-map b/tests/coverage/let_else_loop.cov-map
index 7789114c239..f55e5a930b4 100644
--- a/tests/coverage/let_else_loop.cov-map
+++ b/tests/coverage/let_else_loop.cov-map
@@ -1,7 +1,7 @@
 Function name: let_else_loop::_if (unused)
 Raw bytes (19): 0x[01, 01, 00, 03, 00, 16, 01, 01, 0c, 00, 01, 0f, 00, 16, 00, 00, 20, 00, 27]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/let_else_loop.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Zero) at (prev + 22, 1) to (start + 1, 12)
@@ -12,7 +12,7 @@ Highest counter ID seen: (none)
 Function name: let_else_loop::_loop_either_way (unused)
 Raw bytes (19): 0x[01, 01, 00, 03, 00, 0f, 01, 01, 14, 00, 01, 1c, 00, 23, 00, 01, 05, 00, 0c]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/let_else_loop.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Zero) at (prev + 15, 1) to (start + 1, 20)
@@ -23,7 +23,7 @@ Highest counter ID seen: (none)
 Function name: let_else_loop::loopy
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 09, 01, 01, 14, 09, 01, 1c, 00, 23, 05, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/let_else_loop.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 9, 1) to (start + 1, 20)
diff --git a/tests/coverage/long_and_wide.cov-map b/tests/coverage/long_and_wide.cov-map
index 032b7fe102e..c8194ccc79b 100644
--- a/tests/coverage/long_and_wide.cov-map
+++ b/tests/coverage/long_and_wide.cov-map
@@ -1,7 +1,7 @@
 Function name: long_and_wide::far_function
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 96, 01, 01, 00, 15]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/long_and_wide.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 150, 1) to (start + 0, 21)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: long_and_wide::long_function
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 10, 01, 84, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/long_and_wide.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 16, 1) to (start + 132, 2)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: long_and_wide::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 07, 01, 04, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/long_and_wide.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 7, 1) to (start + 4, 2)
@@ -28,7 +28,7 @@ Highest counter ID seen: c0
 Function name: long_and_wide::wide_function
 Raw bytes (10): 0x[01, 01, 00, 01, 01, 0e, 01, 00, 8b, 01]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/long_and_wide.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 14, 1) to (start + 0, 139)
diff --git a/tests/coverage/loop-break.cov-map b/tests/coverage/loop-break.cov-map
index fccc4d64395..8edb6d06dd6 100644
--- a/tests/coverage/loop-break.cov-map
+++ b/tests/coverage/loop-break.cov-map
@@ -1,7 +1,7 @@
 Function name: loop_break::main
 Raw bytes (31): 0x[01, 01, 01, 05, 01, 05, 01, 03, 01, 00, 0b, 05, 02, 0c, 00, 21, 01, 01, 0d, 00, 12, 02, 01, 09, 00, 0a, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/loop-break.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 Number of file 0 mappings: 5
diff --git a/tests/coverage/loop_break_value.cov-map b/tests/coverage/loop_break_value.cov-map
index e48d078f672..d16335a0a29 100644
--- a/tests/coverage/loop_break_value.cov-map
+++ b/tests/coverage/loop_break_value.cov-map
@@ -1,7 +1,7 @@
 Function name: loop_break_value::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 04, 01, 0a, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/loop_break_value.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 4, 1) to (start + 10, 2)
diff --git a/tests/coverage/loops_branches.cov-map b/tests/coverage/loops_branches.cov-map
index 2157cd6ee3f..d414710ee9d 100644
--- a/tests/coverage/loops_branches.cov-map
+++ b/tests/coverage/loops_branches.cov-map
@@ -1,7 +1,7 @@
 Function name: <loops_branches::DebugTest as core::fmt::Debug>::fmt
 Raw bytes (112): 0x[01, 01, 04, 07, 0b, 01, 0d, 05, 09, 09, 0d, 14, 01, 09, 05, 01, 10, 01, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 01, 01, 0d, 00, 0e, 01, 01, 0d, 00, 1d, 05, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, 0d, 03, 0d, 00, 0e, 09, 00, 12, 00, 17, 0d, 01, 10, 00, 14, 0d, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 0d, 01, 11, 00, 12, 0d, 01, 11, 00, 21, 02, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 0e, 03, 09, 00, 0f, 01, 01, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/loops_branches.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Expression(1, Add), rhs = Expression(2, Add)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(3)
@@ -35,7 +35,7 @@ Highest counter ID seen: c3
 Function name: <loops_branches::DisplayTest as core::fmt::Display>::fmt
 Raw bytes (112): 0x[01, 01, 04, 07, 0b, 01, 09, 05, 0d, 05, 09, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 01, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 01, 01, 0d, 00, 0e, 01, 01, 0d, 00, 1d, 0d, 00, 1e, 00, 1f, 09, 02, 0d, 00, 0e, 05, 00, 12, 00, 17, 09, 01, 10, 00, 15, 00, 00, 16, 01, 0e, 09, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 09, 01, 11, 00, 12, 09, 01, 11, 00, 21, 02, 00, 22, 00, 23, 0e, 03, 09, 00, 0f, 01, 01, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/loops_branches.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Expression(1, Add), rhs = Expression(2, Add)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -69,7 +69,7 @@ Highest counter ID seen: c3
 Function name: loops_branches::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 37, 01, 05, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/loops_branches.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 55, 1) to (start + 5, 2)
diff --git a/tests/coverage/macro_in_closure.cov-map b/tests/coverage/macro_in_closure.cov-map
index 9614154a366..3e71ed877bf 100644
--- a/tests/coverage/macro_in_closure.cov-map
+++ b/tests/coverage/macro_in_closure.cov-map
@@ -1,7 +1,7 @@
 Function name: macro_in_closure::NO_BLOCK::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 07, 1c, 00, 2d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/macro_in_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 7, 28) to (start + 0, 45)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: macro_in_closure::WITH_BLOCK::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 09, 1e, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/macro_in_closure.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 9, 30) to (start + 2, 2)
diff --git a/tests/coverage/macro_name_span.cov-map b/tests/coverage/macro_name_span.cov-map
index bd033faa551..18b4e28b7b4 100644
--- a/tests/coverage/macro_name_span.cov-map
+++ b/tests/coverage/macro_name_span.cov-map
@@ -1,7 +1,7 @@
 Function name: macro_name_span::affected_function
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 16, 1c, 01, 3e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/macro_name_span.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 22, 28) to (start + 1, 62)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: macro_name_span::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/macro_name_span.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 11, 1) to (start + 2, 2)
diff --git a/tests/coverage/match_or_pattern.cov-map b/tests/coverage/match_or_pattern.cov-map
index ae77eedfe72..a29c712998f 100644
--- a/tests/coverage/match_or_pattern.cov-map
+++ b/tests/coverage/match_or_pattern.cov-map
@@ -1,7 +1,7 @@
 Function name: match_or_pattern::main
 Raw bytes (145): 0x[01, 01, 08, 01, 05, 01, 09, 01, 0d, 01, 11, 01, 15, 01, 19, 01, 1d, 01, 21, 19, 01, 01, 01, 08, 0f, 05, 08, 10, 03, 06, 02, 03, 05, 00, 06, 01, 01, 0b, 00, 11, 06, 03, 1b, 00, 1d, 09, 01, 0e, 00, 10, 01, 02, 08, 00, 0f, 0d, 00, 10, 03, 06, 0a, 03, 05, 00, 06, 01, 01, 0b, 00, 11, 0e, 01, 1b, 00, 1d, 11, 01, 0e, 00, 10, 01, 02, 08, 00, 0f, 15, 00, 10, 03, 06, 12, 03, 05, 00, 06, 01, 01, 0b, 00, 11, 16, 01, 1b, 00, 1d, 19, 01, 0e, 00, 10, 01, 02, 08, 00, 0f, 1d, 00, 10, 03, 06, 1a, 03, 05, 00, 06, 01, 01, 0b, 00, 11, 1e, 01, 1b, 00, 1d, 21, 01, 0e, 00, 10, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/match_or_pattern.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
diff --git a/tests/coverage/mcdc/condition-limit.cov-map b/tests/coverage/mcdc/condition-limit.cov-map
index befe8866a59..f966d754f54 100644
--- a/tests/coverage/mcdc/condition-limit.cov-map
+++ b/tests/coverage/mcdc/condition-limit.cov-map
@@ -1,7 +1,7 @@
 Function name: condition_limit::accept_7_conditions
 Raw bytes (147): 0x[01, 01, 08, 01, 05, 05, 09, 09, 0d, 0d, 11, 11, 15, 15, 19, 19, 1d, 01, 1d, 12, 01, 06, 01, 02, 09, 28, 08, 07, 02, 08, 00, 27, 30, 05, 02, 01, 07, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 07, 06, 00, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 30, 0d, 0a, 06, 05, 00, 00, 12, 00, 13, 0d, 00, 17, 00, 18, 30, 11, 0e, 05, 04, 00, 00, 17, 00, 18, 11, 00, 1c, 00, 1d, 30, 15, 12, 04, 03, 00, 00, 1c, 00, 1d, 15, 00, 21, 00, 22, 30, 19, 16, 03, 02, 00, 00, 21, 00, 22, 19, 00, 26, 00, 27, 30, 1d, 1a, 02, 00, 00, 00, 26, 00, 27, 1d, 00, 28, 02, 06, 1e, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/condition-limit.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
diff --git a/tests/coverage/mcdc/if.cov-map b/tests/coverage/mcdc/if.cov-map
index 1b038f48429..de4ea7790f7 100644
--- a/tests/coverage/mcdc/if.cov-map
+++ b/tests/coverage/mcdc/if.cov-map
@@ -1,7 +1,7 @@
 Function name: if::mcdc_check_a
 Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 0e, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -25,7 +25,7 @@ Highest counter ID seen: c2
 Function name: if::mcdc_check_b
 Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 16, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -49,7 +49,7 @@ Highest counter ID seen: c2
 Function name: if::mcdc_check_both
 Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 1e, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -73,7 +73,7 @@ Highest counter ID seen: c2
 Function name: if::mcdc_check_neither
 Raw bytes (62): 0x[01, 01, 03, 01, 05, 05, 09, 01, 09, 08, 01, 06, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 09, 06, 02, 00, 00, 00, 0d, 00, 0e, 09, 00, 0f, 02, 06, 0a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -97,7 +97,7 @@ Highest counter ID seen: c2
 Function name: if::mcdc_check_not_tree_decision
 Raw bytes (85): 0x[01, 01, 07, 01, 05, 01, 17, 05, 09, 05, 09, 17, 0d, 05, 09, 01, 0d, 0a, 01, 30, 01, 03, 0a, 28, 05, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 03, 00, 09, 00, 0a, 02, 00, 0e, 00, 0f, 30, 09, 06, 03, 02, 00, 00, 0e, 00, 0f, 17, 00, 14, 00, 15, 30, 0d, 12, 02, 00, 00, 00, 14, 00, 15, 0d, 00, 16, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 7
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(5, Add)
@@ -131,7 +131,7 @@ Highest counter ID seen: c3
 Function name: if::mcdc_check_tree_decision
 Raw bytes (87): 0x[01, 01, 08, 01, 05, 05, 09, 05, 09, 05, 1f, 09, 0d, 09, 0d, 01, 1f, 09, 0d, 0a, 01, 26, 01, 03, 09, 28, 04, 03, 03, 08, 00, 15, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 05, 00, 0e, 00, 0f, 30, 09, 0a, 02, 00, 03, 00, 0e, 00, 0f, 0a, 00, 13, 00, 14, 30, 0d, 0e, 03, 00, 00, 00, 13, 00, 14, 1f, 00, 16, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 8
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -166,7 +166,7 @@ Highest counter ID seen: c3
 Function name: if::mcdc_nested_if
 Raw bytes (120): 0x[01, 01, 0b, 01, 05, 01, 2b, 05, 09, 05, 09, 2b, 0d, 05, 09, 0d, 11, 2b, 11, 05, 09, 01, 2b, 05, 09, 0e, 01, 3a, 01, 01, 09, 28, 03, 02, 01, 08, 00, 0e, 30, 05, 02, 01, 00, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 30, 09, 26, 02, 00, 00, 00, 0d, 00, 0e, 2b, 01, 09, 01, 0d, 28, 06, 02, 01, 0c, 00, 12, 30, 0d, 12, 01, 02, 00, 00, 0c, 00, 0d, 0d, 00, 11, 00, 12, 30, 11, 1a, 02, 00, 00, 00, 11, 00, 12, 11, 00, 13, 02, 0a, 1e, 02, 09, 00, 0a, 26, 01, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/if.rs
 Number of expressions: 11
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(10, Add)
diff --git a/tests/coverage/mcdc/inlined_expressions.cov-map b/tests/coverage/mcdc/inlined_expressions.cov-map
index 7d78e572a3b..714d168cf49 100644
--- a/tests/coverage/mcdc/inlined_expressions.cov-map
+++ b/tests/coverage/mcdc/inlined_expressions.cov-map
@@ -1,7 +1,7 @@
 Function name: inlined_expressions::inlined_instance
 Raw bytes (50): 0x[01, 01, 02, 01, 05, 05, 09, 06, 01, 07, 01, 01, 06, 28, 03, 02, 01, 05, 00, 0b, 30, 05, 02, 01, 02, 00, 00, 05, 00, 06, 05, 00, 0a, 00, 0b, 30, 09, 06, 02, 00, 00, 00, 0a, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/inlined_expressions.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
diff --git a/tests/coverage/mcdc/nested_if.cov-map b/tests/coverage/mcdc/nested_if.cov-map
index 83d0739aaf5..7232e4f89cd 100644
--- a/tests/coverage/mcdc/nested_if.cov-map
+++ b/tests/coverage/mcdc/nested_if.cov-map
@@ -1,7 +1,7 @@
 Function name: nested_if::doubly_nested_if_in_condition
 Raw bytes (170): 0x[01, 01, 0f, 01, 05, 05, 11, 05, 09, 05, 37, 09, 0d, 05, 09, 05, 1f, 09, 15, 15, 19, 05, 2b, 09, 19, 09, 0d, 05, 37, 09, 0d, 01, 11, 14, 01, 0e, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 11, 06, 02, 00, 00, 00, 0d, 00, 4e, 05, 00, 10, 00, 11, 28, 06, 02, 00, 10, 00, 36, 30, 09, 16, 01, 00, 02, 00, 10, 00, 11, 30, 0d, 32, 02, 00, 00, 00, 15, 00, 36, 16, 00, 18, 00, 19, 28, 03, 02, 00, 18, 00, 1e, 30, 15, 1a, 01, 02, 00, 00, 18, 00, 19, 15, 00, 1d, 00, 1e, 30, 19, 22, 02, 00, 00, 00, 1d, 00, 1e, 19, 00, 21, 00, 25, 26, 00, 2f, 00, 34, 37, 00, 39, 00, 3e, 32, 00, 48, 00, 4c, 11, 00, 4f, 02, 06, 3a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested_if.rs
 Number of expressions: 15
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(4)
@@ -61,7 +61,7 @@ Highest counter ID seen: c6
 Function name: nested_if::nested_if_in_condition
 Raw bytes (118): 0x[01, 01, 0a, 01, 05, 05, 11, 05, 09, 05, 09, 05, 23, 09, 0d, 09, 0d, 05, 23, 09, 0d, 01, 11, 0e, 01, 06, 01, 01, 09, 28, 06, 02, 01, 08, 00, 2e, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 11, 06, 02, 00, 00, 00, 0d, 00, 2e, 05, 00, 10, 00, 11, 28, 03, 02, 00, 10, 00, 16, 30, 09, 0e, 01, 00, 02, 00, 10, 00, 11, 0e, 00, 15, 00, 16, 30, 0d, 1e, 02, 00, 00, 00, 15, 00, 16, 23, 00, 19, 00, 1d, 1e, 00, 27, 00, 2c, 11, 00, 2f, 02, 06, 26, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested_if.rs
 Number of expressions: 10
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(4)
@@ -105,7 +105,7 @@ Highest counter ID seen: c4
 Function name: nested_if::nested_in_then_block_in_condition
 Raw bytes (170): 0x[01, 01, 0f, 01, 05, 05, 19, 05, 09, 05, 09, 05, 37, 09, 0d, 09, 0d, 37, 11, 09, 0d, 11, 15, 37, 15, 09, 0d, 05, 37, 09, 0d, 01, 19, 14, 01, 21, 01, 01, 09, 28, 09, 02, 01, 08, 00, 4b, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 19, 06, 02, 00, 00, 00, 0d, 00, 4b, 05, 00, 10, 00, 11, 28, 03, 02, 00, 10, 00, 16, 30, 09, 0e, 01, 00, 02, 00, 10, 00, 11, 0e, 00, 15, 00, 16, 30, 0d, 32, 02, 00, 00, 00, 15, 00, 16, 37, 00, 1c, 00, 1d, 28, 06, 02, 00, 1c, 00, 22, 30, 11, 1e, 01, 02, 00, 00, 1c, 00, 1d, 11, 00, 21, 00, 22, 30, 15, 26, 02, 00, 00, 00, 21, 00, 22, 15, 00, 25, 00, 29, 2a, 00, 33, 00, 38, 32, 00, 44, 00, 49, 19, 00, 4c, 02, 06, 3a, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested_if.rs
 Number of expressions: 15
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(6)
@@ -165,7 +165,7 @@ Highest counter ID seen: c6
 Function name: nested_if::nested_single_condition_decision
 Raw bytes (83): 0x[01, 01, 05, 01, 05, 05, 0d, 05, 09, 05, 09, 01, 0d, 0b, 01, 16, 01, 04, 09, 28, 03, 02, 04, 08, 00, 29, 30, 05, 02, 01, 02, 00, 00, 08, 00, 09, 30, 0d, 06, 02, 00, 00, 00, 0d, 00, 29, 05, 00, 10, 00, 11, 20, 09, 0e, 00, 10, 00, 11, 09, 00, 14, 00, 19, 0e, 00, 23, 00, 27, 0d, 00, 2a, 02, 06, 12, 02, 0c, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested_if.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(3)
diff --git a/tests/coverage/mcdc/non_control_flow.cov-map b/tests/coverage/mcdc/non_control_flow.cov-map
index 48a103b2c7d..02251e69152 100644
--- a/tests/coverage/mcdc/non_control_flow.cov-map
+++ b/tests/coverage/mcdc/non_control_flow.cov-map
@@ -1,7 +1,7 @@
 Function name: non_control_flow::assign_3
 Raw bytes (79): 0x[01, 01, 04, 01, 05, 01, 0b, 05, 09, 09, 0d, 0a, 01, 15, 01, 00, 28, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 04, 03, 00, 0d, 00, 18, 30, 05, 02, 01, 00, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 30, 09, 06, 02, 03, 00, 00, 12, 00, 13, 09, 00, 17, 00, 18, 30, 0d, 0e, 03, 00, 00, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
@@ -30,7 +30,7 @@ Highest counter ID seen: c3
 Function name: non_control_flow::assign_3_bis
 Raw bytes (81): 0x[01, 01, 05, 01, 05, 05, 09, 01, 09, 01, 13, 09, 0d, 0a, 01, 1a, 01, 00, 2c, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 05, 03, 00, 0d, 00, 18, 30, 05, 02, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 06, 03, 00, 02, 00, 12, 00, 13, 0a, 00, 17, 00, 18, 30, 0d, 0e, 02, 00, 00, 00, 17, 00, 18, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -60,7 +60,7 @@ Highest counter ID seen: c3
 Function name: non_control_flow::assign_and
 Raw bytes (60): 0x[01, 01, 02, 01, 05, 05, 09, 08, 01, 0b, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 02, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 06, 02, 00, 00, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -82,7 +82,7 @@ Highest counter ID seen: c2
 Function name: non_control_flow::assign_or
 Raw bytes (62): 0x[01, 01, 03, 01, 05, 01, 0b, 05, 09, 08, 01, 10, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 03, 02, 00, 0d, 00, 13, 30, 05, 02, 01, 00, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 30, 09, 06, 02, 00, 00, 00, 12, 00, 13, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Expression(2, Add)
@@ -106,7 +106,7 @@ Highest counter ID seen: c2
 Function name: non_control_flow::foo
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 24, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 36, 1) to (start + 2, 2)
@@ -115,7 +115,7 @@ Highest counter ID seen: c0
 Function name: non_control_flow::func_call
 Raw bytes (60): 0x[01, 01, 02, 01, 05, 05, 09, 08, 01, 28, 01, 00, 20, 01, 01, 05, 00, 08, 01, 00, 09, 00, 0a, 28, 03, 02, 00, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 06, 02, 00, 00, 00, 0e, 00, 0f, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -137,7 +137,7 @@ Highest counter ID seen: c2
 Function name: non_control_flow::right_comb_tree
 Raw bytes (111): 0x[01, 01, 05, 01, 05, 05, 09, 09, 0d, 0d, 11, 11, 15, 0e, 01, 1f, 01, 00, 41, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 06, 05, 00, 0d, 00, 2a, 30, 05, 02, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 09, 06, 02, 03, 00, 00, 13, 00, 14, 09, 00, 19, 00, 1a, 30, 0d, 0a, 03, 04, 00, 00, 19, 00, 1a, 0d, 00, 1f, 00, 20, 30, 11, 0e, 04, 05, 00, 00, 1f, 00, 20, 11, 00, 24, 00, 27, 30, 15, 12, 05, 00, 00, 00, 24, 00, 27, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/non_control_flow.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
diff --git a/tests/coverage/nested_loops.cov-map b/tests/coverage/nested_loops.cov-map
index e9e41bd53e7..4a35da13a84 100644
--- a/tests/coverage/nested_loops.cov-map
+++ b/tests/coverage/nested_loops.cov-map
@@ -1,7 +1,7 @@
 Function name: nested_loops::main
 Raw bytes (97): 0x[01, 01, 0e, 07, 2f, 05, 11, 01, 0d, 2f, 05, 01, 0d, 27, 05, 01, 09, 33, 27, 05, 15, 01, 09, 2f, 33, 01, 0d, 05, 15, 05, 01, 0d, 01, 01, 01, 02, 1b, 05, 04, 13, 00, 20, 09, 01, 0d, 01, 18, 0d, 02, 12, 00, 17, 11, 01, 10, 00, 16, 02, 01, 11, 00, 16, 0e, 01, 0e, 03, 16, 15, 04, 11, 01, 1b, 16, 02, 15, 00, 21, 1e, 01, 18, 02, 12, 2a, 03, 0d, 00, 0e, 36, 02, 09, 00, 17, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/nested_loops.rs
 Number of expressions: 14
 - expression 0 operands: lhs = Expression(1, Add), rhs = Expression(11, Add)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(4)
diff --git a/tests/coverage/no-core.cov-map b/tests/coverage/no-core.cov-map
index 3a1ca4745c7..89012b0ab91 100644
--- a/tests/coverage/no-core.cov-map
+++ b/tests/coverage/no-core.cov-map
@@ -1,7 +1,7 @@
 Function name: no_core::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 01, 00, 0d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no-core.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 12, 1) to (start + 0, 13)
diff --git a/tests/coverage/no_cov_crate.cov-map b/tests/coverage/no_cov_crate.cov-map
index 244b0099544..caef09355d2 100644
--- a/tests/coverage/no_cov_crate.cov-map
+++ b/tests/coverage/no_cov_crate.cov-map
@@ -1,7 +1,7 @@
 Function name: no_cov_crate::add_coverage_1
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 16, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 22, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: no_cov_crate::add_coverage_2
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1a, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 26, 1) to (start + 2, 2)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: no_cov_crate::add_coverage_not_called (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 1f, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 31, 1) to (start + 2, 2)
@@ -28,7 +28,7 @@ Highest counter ID seen: (none)
 Function name: no_cov_crate::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 4f, 01, 0b, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 79, 1) to (start + 11, 2)
@@ -37,7 +37,7 @@ Highest counter ID seen: c0
 Function name: no_cov_crate::nested_fns::outer
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 33, 05, 02, 22, 01, 0c, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 51, 5) to (start + 2, 34)
@@ -47,7 +47,7 @@ Highest counter ID seen: c0
 Function name: no_cov_crate::nested_fns::outer_both_covered
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 41, 05, 02, 16, 01, 0b, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 65, 5) to (start + 2, 22)
@@ -57,7 +57,7 @@ Highest counter ID seen: c0
 Function name: no_cov_crate::nested_fns::outer_both_covered::inner
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 45, 09, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 01, 03, 09, 00, 0a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_cov_crate.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
diff --git a/tests/coverage/no_spans.cov-map b/tests/coverage/no_spans.cov-map
index 7f43b68fa90..992247fd520 100644
--- a/tests/coverage/no_spans.cov-map
+++ b/tests/coverage/no_spans.cov-map
@@ -1,7 +1,7 @@
 Function name: no_spans::affected_function
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1a, 1c, 00, 1d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_spans.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 26, 28) to (start + 0, 29)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: no_spans::affected_function::{closure#0}
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1b, 0c, 00, 0e]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_spans.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 27, 12) to (start + 0, 14)
diff --git a/tests/coverage/no_spans_if_not.cov-map b/tests/coverage/no_spans_if_not.cov-map
index 6c389a24317..9d4fc074111 100644
--- a/tests/coverage/no_spans_if_not.cov-map
+++ b/tests/coverage/no_spans_if_not.cov-map
@@ -1,7 +1,7 @@
 Function name: no_spans_if_not::affected_function
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 16, 1c, 01, 12, 01, 02, 0d, 00, 0f, 00, 02, 0d, 00, 0f]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_spans_if_not.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 22, 28) to (start + 1, 18)
@@ -12,7 +12,7 @@ Highest counter ID seen: c0
 Function name: no_spans_if_not::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0b, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/no_spans_if_not.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 11, 1) to (start + 2, 2)
diff --git a/tests/coverage/overflow.cov-map b/tests/coverage/overflow.cov-map
index 1178d65de10..9bb68ee107d 100644
--- a/tests/coverage/overflow.cov-map
+++ b/tests/coverage/overflow.cov-map
@@ -1,7 +1,7 @@
 Function name: overflow::main
 Raw bytes (61): 0x[01, 01, 06, 05, 01, 05, 17, 01, 09, 05, 13, 17, 0d, 01, 09, 09, 01, 10, 01, 01, 1b, 05, 02, 0b, 00, 18, 02, 01, 0c, 00, 1a, 09, 00, 1b, 03, 0a, 06, 03, 13, 00, 20, 0d, 00, 21, 03, 0a, 0e, 03, 09, 00, 0a, 02, 01, 09, 00, 17, 01, 02, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/overflow.rs
 Number of expressions: 6
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(5, Add)
@@ -28,7 +28,7 @@ Highest counter ID seen: c3
 Function name: overflow::might_overflow
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 05, 01, 01, 12, 05, 01, 13, 02, 06, 02, 02, 05, 00, 06, 01, 01, 09, 05, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/overflow.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
diff --git a/tests/coverage/panic_unwind.cov-map b/tests/coverage/panic_unwind.cov-map
index 18b13919fe5..f6d1fe5b9b4 100644
--- a/tests/coverage/panic_unwind.cov-map
+++ b/tests/coverage/panic_unwind.cov-map
@@ -1,7 +1,7 @@
 Function name: panic_unwind::main
 Raw bytes (61): 0x[01, 01, 06, 05, 01, 05, 17, 01, 09, 05, 13, 17, 0d, 01, 09, 09, 01, 0d, 01, 01, 1b, 05, 02, 0b, 00, 18, 02, 01, 0c, 00, 1a, 09, 00, 1b, 02, 0a, 06, 02, 13, 00, 20, 0d, 00, 21, 02, 0a, 0e, 02, 09, 00, 0a, 02, 01, 09, 00, 17, 01, 02, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/panic_unwind.rs
 Number of expressions: 6
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(5, Add)
@@ -28,7 +28,7 @@ Highest counter ID seen: c3
 Function name: panic_unwind::might_panic
 Raw bytes (21): 0x[01, 01, 01, 01, 05, 03, 01, 04, 01, 01, 14, 05, 02, 09, 01, 0f, 02, 02, 0c, 03, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/panic_unwind.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 3
diff --git a/tests/coverage/partial_eq.cov-map b/tests/coverage/partial_eq.cov-map
index 21c8714ac99..02054aa444a 100644
--- a/tests/coverage/partial_eq.cov-map
+++ b/tests/coverage/partial_eq.cov-map
@@ -1,7 +1,7 @@
 Function name: <partial_eq::Version>::new
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 05, 02, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/partial_eq.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 12, 5) to (start + 2, 6)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: partial_eq::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 01, 0a, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/partial_eq.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 17, 1) to (start + 10, 2)
diff --git a/tests/coverage/simple_loop.cov-map b/tests/coverage/simple_loop.cov-map
index 8e428b267d5..542c93cbfa0 100644
--- a/tests/coverage/simple_loop.cov-map
+++ b/tests/coverage/simple_loop.cov-map
@@ -1,7 +1,7 @@
 Function name: simple_loop::main
 Raw bytes (43): 0x[01, 01, 02, 01, 05, 09, 01, 07, 01, 04, 01, 09, 10, 05, 0a, 05, 05, 06, 02, 05, 05, 00, 06, 09, 05, 0d, 02, 0e, 01, 04, 0d, 00, 12, 06, 02, 0a, 03, 0a, 01, 06, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/simple_loop.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(2), rhs = Counter(0)
diff --git a/tests/coverage/simple_match.cov-map b/tests/coverage/simple_match.cov-map
index 15f114daa7f..a96ddc2bb9a 100644
--- a/tests/coverage/simple_match.cov-map
+++ b/tests/coverage/simple_match.cov-map
@@ -1,7 +1,7 @@
 Function name: simple_match::main
 Raw bytes (64): 0x[01, 01, 05, 01, 05, 09, 01, 09, 01, 09, 13, 01, 0d, 0a, 01, 04, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 05, 00, 06, 09, 05, 09, 00, 0d, 0a, 05, 0d, 00, 16, 0d, 02, 0d, 00, 0e, 0a, 02, 11, 02, 12, 0d, 04, 0d, 07, 0e, 0e, 0a, 0d, 00, 0f, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/simple_match.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(2), rhs = Counter(0)
diff --git a/tests/coverage/sort_groups.cov-map b/tests/coverage/sort_groups.cov-map
index 898d68171c5..b0d260efeb9 100644
--- a/tests/coverage/sort_groups.cov-map
+++ b/tests/coverage/sort_groups.cov-map
@@ -1,7 +1,7 @@
 Function name: sort_groups::generic_fn::<&str>
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -15,7 +15,7 @@ Highest counter ID seen: c1
 Function name: sort_groups::generic_fn::<()>
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -29,7 +29,7 @@ Highest counter ID seen: c1
 Function name: sort_groups::generic_fn::<char>
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -43,7 +43,7 @@ Highest counter ID seen: c1
 Function name: sort_groups::generic_fn::<i32>
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 05, 00, 06, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -57,7 +57,7 @@ Highest counter ID seen: c1
 Function name: sort_groups::main
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 06, 01, 04, 1c, 05, 04, 24, 02, 06, 02, 02, 05, 00, 06, 01, 01, 05, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -71,7 +71,7 @@ Highest counter ID seen: c1
 Function name: sort_groups::other_fn
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 01, 00, 11]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/sort_groups.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 23, 1) to (start + 0, 17)
diff --git a/tests/coverage/test_harness.cov-map b/tests/coverage/test_harness.cov-map
index b513b3d0549..50654fb2213 100644
--- a/tests/coverage/test_harness.cov-map
+++ b/tests/coverage/test_harness.cov-map
@@ -1,7 +1,7 @@
 Function name: test_harness::my_test
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 0a, 01, 00, 10]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/test_harness.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 10, 1) to (start + 0, 16)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: test_harness::unused (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 07, 01, 00, 0f]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/test_harness.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 7, 1) to (start + 0, 15)
diff --git a/tests/coverage/tight_inf_loop.cov-map b/tests/coverage/tight_inf_loop.cov-map
index 77a8ffb8358..31581f0872f 100644
--- a/tests/coverage/tight_inf_loop.cov-map
+++ b/tests/coverage/tight_inf_loop.cov-map
@@ -1,7 +1,7 @@
 Function name: tight_inf_loop::main
 Raw bytes (19): 0x[01, 01, 00, 03, 01, 01, 01, 01, 0d, 00, 02, 09, 00, 10, 01, 01, 06, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/tight_inf_loop.rs
 Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 1, 1) to (start + 1, 13)
diff --git a/tests/coverage/trivial.cov-map b/tests/coverage/trivial.cov-map
index 05f64896d9e..0064b20480f 100644
--- a/tests/coverage/trivial.cov-map
+++ b/tests/coverage/trivial.cov-map
@@ -1,7 +1,7 @@
 Function name: trivial::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 03, 01, 00, 0d]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/trivial.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 3, 1) to (start + 0, 13)
diff --git a/tests/coverage/try_error_result.cov-map b/tests/coverage/try_error_result.cov-map
index e45f3de1081..a6ecc68ab0e 100644
--- a/tests/coverage/try_error_result.cov-map
+++ b/tests/coverage/try_error_result.cov-map
@@ -1,7 +1,7 @@
 Function name: <try_error_result::Thing1>::get_thing_2
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 29, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 1a, 01, 02, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -15,7 +15,7 @@ Highest counter ID seen: c1
 Function name: <try_error_result::Thing2>::call
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 34, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 13, 01, 02, 05, 00, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -29,7 +29,7 @@ Highest counter ID seen: c1
 Function name: try_error_result::call
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 05, 01, 01, 14, 05, 02, 09, 00, 10, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -43,7 +43,7 @@ Highest counter ID seen: c1
 Function name: try_error_result::main
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 71, 01, 02, 0a, 05, 03, 05, 00, 06, 02, 02, 05, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -57,7 +57,7 @@ Highest counter ID seen: c1
 Function name: try_error_result::test1
 Raw bytes (67): 0x[01, 01, 04, 07, 05, 01, 09, 05, 01, 05, 09, 0b, 01, 0d, 01, 02, 17, 05, 07, 09, 00, 0e, 09, 02, 09, 04, 1a, 02, 06, 0d, 00, 11, 02, 00, 29, 00, 2a, 00, 01, 0d, 00, 11, 00, 00, 2a, 00, 2b, 0a, 04, 0d, 00, 11, 00, 00, 2a, 00, 2b, 0e, 03, 05, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 4
 - expression 0 operands: lhs = Expression(1, Add), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
@@ -84,7 +84,7 @@ Highest counter ID seen: c2
 Function name: try_error_result::test2
 Raw bytes (336): 0x[01, 01, 36, 0d, 11, 0d, 3f, 11, 15, 0d, 37, 3b, 1d, 3f, 19, 11, 15, 0d, 3f, 11, 15, 0d, 3b, 3f, 19, 11, 15, 0d, 37, 3b, 1d, 3f, 19, 11, 15, 41, 53, 21, 25, 41, 21, 41, 53, 21, 25, 09, 73, 77, 2d, 0d, 29, 09, 0d, 09, 77, 0d, 29, 09, 73, 77, 2d, 0d, 29, 45, 8b, 01, 31, 35, 45, 31, 45, 8b, 01, 31, 35, 49, 9f, 01, 39, 3d, 49, 39, 49, 9f, 01, 39, 3d, 05, 09, ab, 01, 09, af, 01, 3d, b3, 01, 39, b7, 01, 35, bb, 01, 31, bf, 01, 2d, c3, 01, 29, c7, 01, 25, cb, 01, 21, cf, 01, 1d, d3, 01, 19, d7, 01, 15, 05, 11, 28, 01, 3d, 01, 03, 17, 05, 08, 09, 00, 0e, 09, 02, 09, 04, 1a, 0d, 06, 0d, 00, 1f, 11, 00, 2f, 00, 30, 02, 00, 31, 03, 1c, 15, 04, 11, 00, 12, 1e, 02, 11, 03, 27, 32, 05, 11, 00, 14, 1e, 00, 17, 00, 29, 19, 00, 41, 00, 42, 26, 00, 43, 00, 47, 1d, 00, 5f, 00, 60, 32, 01, 0d, 00, 17, 4e, 01, 11, 00, 14, 41, 00, 17, 00, 29, 21, 00, 41, 00, 42, 4a, 00, 43, 00, 47, 25, 00, 60, 00, 61, 4e, 01, 0d, 00, 17, 6e, 04, 11, 00, 14, 62, 00, 17, 00, 29, 29, 00, 42, 00, 43, 66, 00, 44, 00, 48, 2d, 00, 61, 00, 62, 6e, 01, 0d, 00, 17, 86, 01, 01, 11, 00, 14, 45, 00, 17, 01, 1d, 31, 01, 36, 00, 37, 82, 01, 01, 12, 00, 16, 35, 00, 2f, 00, 30, 86, 01, 01, 0d, 00, 17, 9a, 01, 01, 11, 00, 14, 49, 00, 17, 01, 1d, 39, 02, 11, 00, 12, 96, 01, 01, 12, 00, 16, 3d, 01, 11, 00, 12, 9a, 01, 02, 0d, 00, 17, a2, 01, 03, 05, 00, 0b, a6, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/try_error_result.rs
 Number of expressions: 54
 - expression 0 operands: lhs = Counter(3), rhs = Counter(4)
 - expression 1 operands: lhs = Counter(3), rhs = Expression(15, Add)
diff --git a/tests/coverage/unicode.cov-map b/tests/coverage/unicode.cov-map
index 29d40a05513..7ad4395491f 100644
--- a/tests/coverage/unicode.cov-map
+++ b/tests/coverage/unicode.cov-map
@@ -1,7 +1,7 @@
 Function name: unicode::main
 Raw bytes (53): 0x[01, 01, 02, 05, 01, 01, 0d, 09, 01, 0e, 01, 00, 0b, 02, 01, 09, 00, 0c, 05, 00, 10, 00, 1b, 02, 00, 1c, 00, 28, 01, 02, 08, 00, 23, 09, 00, 29, 00, 44, 0d, 00, 47, 02, 06, 06, 02, 05, 00, 06, 01, 02, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unicode.rs
 Number of expressions: 2
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(3)
@@ -23,7 +23,7 @@ Highest counter ID seen: c3
 Function name: unicode::他 (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 1e, 19, 00, 25]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unicode.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 30, 25) to (start + 0, 37)
@@ -32,7 +32,7 @@ Highest counter ID seen: (none)
 Function name: unicode::申し訳ございません
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 18, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unicode.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 24, 1) to (start + 2, 2)
diff --git a/tests/coverage/unreachable.cov-map b/tests/coverage/unreachable.cov-map
index 0bc18bfcbd3..fd9a1abc8cb 100644
--- a/tests/coverage/unreachable.cov-map
+++ b/tests/coverage/unreachable.cov-map
@@ -1,7 +1,7 @@
 Function name: unreachable::UNREACHABLE_CLOSURE::{closure#0} (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 0e, 27, 00, 45]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unreachable.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 14, 39) to (start + 0, 69)
@@ -10,7 +10,7 @@ Highest counter ID seen: (none)
 Function name: unreachable::unreachable_function (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 10, 01, 01, 23]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unreachable.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 16, 1) to (start + 1, 35)
@@ -19,7 +19,7 @@ Highest counter ID seen: (none)
 Function name: unreachable::unreachable_intrinsic (unused)
 Raw bytes (9): 0x[01, 01, 00, 01, 00, 15, 01, 01, 2a]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unreachable.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 21, 1) to (start + 1, 42)
diff --git a/tests/coverage/unused.cov-map b/tests/coverage/unused.cov-map
index c18d331ec2e..8946b43a8bb 100644
--- a/tests/coverage/unused.cov-map
+++ b/tests/coverage/unused.cov-map
@@ -1,7 +1,7 @@
 Function name: unused::foo::<f32>
 Raw bytes (40): 0x[01, 01, 03, 05, 01, 05, 0b, 01, 09, 06, 01, 03, 01, 01, 12, 05, 02, 0b, 00, 11, 02, 01, 09, 00, 0f, 06, 00, 13, 00, 19, 02, 01, 09, 00, 0f, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
@@ -21,7 +21,7 @@ Highest counter ID seen: c1
 Function name: unused::foo::<u32>
 Raw bytes (40): 0x[01, 01, 03, 05, 01, 05, 0b, 01, 09, 06, 01, 03, 01, 01, 12, 05, 02, 0b, 00, 11, 02, 01, 09, 00, 0f, 06, 00, 13, 00, 19, 02, 01, 09, 00, 0f, 01, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 3
 - expression 0 operands: lhs = Counter(1), rhs = Counter(0)
 - expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
@@ -41,7 +41,7 @@ Highest counter ID seen: c1
 Function name: unused::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 04, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 37, 1) to (start + 4, 2)
@@ -50,7 +50,7 @@ Highest counter ID seen: c0
 Function name: unused::unused_func (unused)
 Raw bytes (24): 0x[01, 01, 00, 04, 00, 13, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 05, 00, 06, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 19, 1) to (start + 1, 14)
@@ -62,7 +62,7 @@ Highest counter ID seen: (none)
 Function name: unused::unused_func2 (unused)
 Raw bytes (24): 0x[01, 01, 00, 04, 00, 19, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 05, 00, 06, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 25, 1) to (start + 1, 14)
@@ -74,7 +74,7 @@ Highest counter ID seen: (none)
 Function name: unused::unused_func3 (unused)
 Raw bytes (24): 0x[01, 01, 00, 04, 00, 1f, 01, 01, 0e, 00, 01, 0f, 02, 06, 00, 02, 05, 00, 06, 00, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Zero) at (prev + 31, 1) to (start + 1, 14)
@@ -86,7 +86,7 @@ Highest counter ID seen: (none)
 Function name: unused::unused_template_func::<_> (unused)
 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
+- file 0 => $DIR/unused.rs
 Number of expressions: 0
 Number of file 0 mappings: 6
 - Code(Zero) at (prev + 11, 1) to (start + 1, 18)
diff --git a/tests/coverage/unused_mod.cov-map b/tests/coverage/unused_mod.cov-map
index 5e8b69fcdba..790cd701dc3 100644
--- a/tests/coverage/unused_mod.cov-map
+++ b/tests/coverage/unused_mod.cov-map
@@ -1,7 +1,7 @@
 Function name: unused_mod::main
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 04, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/unused_mod.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 4, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: unused_mod::unused_module::never_called_function (unused)
 Raw bytes (9): 0x[01, 02, 00, 01, 00, 02, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 2
+- file 0 => $DIR/auxiliary/unused_mod_helper.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Zero) at (prev + 2, 1) to (start + 2, 2)
diff --git a/tests/coverage/uses_crate.cov-map b/tests/coverage/uses_crate.cov-map
index 5c23f882697..238226f3d68 100644
--- a/tests/coverage/uses_crate.cov-map
+++ b/tests/coverage/uses_crate.cov-map
@@ -1,7 +1,7 @@
 Function name: used_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1b, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 27, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 19, 1) to (start + 2, 2)
@@ -19,7 +19,7 @@ Highest counter ID seen: c0
 Function name: used_crate::used_only_from_bin_crate_generic_function::<&str>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 13, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 19, 1) to (start + 2, 2)
@@ -28,7 +28,7 @@ Highest counter ID seen: c0
 Function name: used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 1f, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 31, 1) to (start + 2, 2)
@@ -37,7 +37,7 @@ Highest counter ID seen: c0
 Function name: uses_crate::main
 Raw bytes (9): 0x[01, 02, 00, 01, 01, 0c, 01, 07, 02]
 Number of files: 1
-- file 0 => global file 2
+- file 0 => $DIR/uses_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 12, 1) to (start + 7, 2)
diff --git a/tests/coverage/uses_inline_crate.cov-map b/tests/coverage/uses_inline_crate.cov-map
index a482d20e3b4..fd14ea34120 100644
--- a/tests/coverage/uses_inline_crate.cov-map
+++ b/tests/coverage/uses_inline_crate.cov-map
@@ -1,7 +1,7 @@
 Function name: used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 2c, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_inline_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 44, 1) to (start + 2, 2)
@@ -10,7 +10,7 @@ Highest counter ID seen: c0
 Function name: used_inline_crate::used_inline_function
 Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 14, 01, 06, 0f, 05, 06, 10, 02, 06, 02, 02, 05, 00, 06, 01, 01, 05, 01, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_inline_crate.rs
 Number of expressions: 1
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 Number of file 0 mappings: 4
@@ -24,7 +24,7 @@ Highest counter ID seen: c1
 Function name: used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_inline_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2)
@@ -33,7 +33,7 @@ Highest counter ID seen: c0
 Function name: used_inline_crate::used_only_from_bin_crate_generic_function::<&str>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_inline_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2)
@@ -42,7 +42,7 @@ Highest counter ID seen: c0
 Function name: used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>
 Raw bytes (9): 0x[01, 01, 00, 01, 01, 31, 01, 02, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/auxiliary/used_inline_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 49, 1) to (start + 2, 2)
@@ -51,7 +51,7 @@ Highest counter ID seen: c0
 Function name: uses_inline_crate::main
 Raw bytes (9): 0x[01, 02, 00, 01, 01, 0c, 01, 0a, 02]
 Number of files: 1
-- file 0 => global file 2
+- file 0 => $DIR/uses_inline_crate.rs
 Number of expressions: 0
 Number of file 0 mappings: 1
 - Code(Counter(0)) at (prev + 12, 1) to (start + 10, 2)
diff --git a/tests/coverage/while.cov-map b/tests/coverage/while.cov-map
index 5a6698128cb..8ad73920629 100644
--- a/tests/coverage/while.cov-map
+++ b/tests/coverage/while.cov-map
@@ -1,7 +1,7 @@
 Function name: while::main
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 01, 01, 01, 10, 01, 02, 0b, 00, 14, 00, 00, 15, 02, 06, 01, 03, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 1, 1) to (start + 1, 16)
diff --git a/tests/coverage/while_early_ret.cov-map b/tests/coverage/while_early_ret.cov-map
index 69b51bf9ca3..6e3db66f97c 100644
--- a/tests/coverage/while_early_ret.cov-map
+++ b/tests/coverage/while_early_ret.cov-map
@@ -1,7 +1,7 @@
 Function name: while_early_ret::main
 Raw bytes (63): 0x[01, 01, 07, 0f, 05, 01, 09, 0f, 13, 01, 09, 05, 0d, 05, 01, 05, 09, 09, 01, 05, 01, 01, 1b, 05, 03, 09, 02, 0a, 09, 05, 0d, 02, 0e, 02, 06, 15, 02, 16, 0d, 04, 15, 00, 1b, 0a, 04, 15, 00, 1b, 16, 03, 0a, 03, 0a, 1a, 06, 05, 00, 0b, 01, 01, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/while_early_ret.rs
 Number of expressions: 7
 - expression 0 operands: lhs = Expression(3, Add), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(0), rhs = Counter(2)
diff --git a/tests/coverage/yield.cov-map b/tests/coverage/yield.cov-map
index bf0916e5503..db82c9d673d 100644
--- a/tests/coverage/yield.cov-map
+++ b/tests/coverage/yield.cov-map
@@ -1,7 +1,7 @@
 Function name: yield::main
 Raw bytes (94): 0x[01, 01, 05, 01, 05, 05, 09, 09, 11, 11, 15, 11, 15, 10, 01, 07, 01, 01, 16, 01, 07, 0b, 00, 2e, 05, 01, 27, 00, 29, 02, 01, 0e, 00, 14, 05, 02, 0b, 00, 2e, 0d, 01, 22, 00, 27, 09, 00, 2c, 00, 2e, 06, 01, 0e, 00, 14, 09, 03, 09, 00, 16, 09, 08, 0b, 00, 2e, 11, 01, 27, 00, 29, 0a, 01, 0e, 00, 14, 11, 02, 0b, 00, 2e, 12, 01, 27, 00, 29, 15, 01, 0e, 00, 14, 12, 02, 01, 00, 02]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/yield.rs
 Number of expressions: 5
 - expression 0 operands: lhs = Counter(0), rhs = Counter(1)
 - expression 1 operands: lhs = Counter(1), rhs = Counter(2)
@@ -35,7 +35,7 @@ Highest counter ID seen: c5
 Function name: yield::main::{closure#0}
 Raw bytes (14): 0x[01, 01, 00, 02, 01, 09, 08, 01, 10, 05, 02, 10, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/yield.rs
 Number of expressions: 0
 Number of file 0 mappings: 2
 - Code(Counter(0)) at (prev + 9, 8) to (start + 1, 16)
@@ -45,7 +45,7 @@ Highest counter ID seen: c1
 Function name: yield::main::{closure#1}
 Raw bytes (24): 0x[01, 01, 00, 04, 01, 18, 08, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06]
 Number of files: 1
-- file 0 => global file 1
+- file 0 => $DIR/yield.rs
 Number of expressions: 0
 Number of file 0 mappings: 4
 - Code(Counter(0)) at (prev + 24, 8) to (start + 1, 16)