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-rw-r--r--src/test/debuginfo/mutex.rs2
-rw-r--r--src/test/pretty/anonymous-types.rs24
-rw-r--r--src/test/run-make-fulldeps/reproducible-build/Makefile65
-rw-r--r--src/test/rustdoc-gui/code-sidebar-toggle.goml1
-rw-r--r--src/test/rustdoc-gui/jump-to-def-background.goml23
-rw-r--r--src/test/rustdoc-gui/src/link_to_definition/Cargo.lock7
-rw-r--r--src/test/rustdoc-gui/src/link_to_definition/Cargo.toml7
-rw-r--r--src/test/rustdoc-gui/src/link_to_definition/lib.rs6
-rw-r--r--src/test/rustdoc-ui/display-output.rs9
-rw-r--r--src/test/rustdoc-ui/display-output.stdout24
-rw-r--r--src/test/rustdoc/check-source-code-urls-to-def-std.rs17
-rw-r--r--src/test/rustdoc/check-source-code-urls-to-def.rs8
-rw-r--r--src/test/ui/associated-consts/associated-const-in-trait.stderr2
-rw-r--r--src/test/ui/associated-item/issue-48027.stderr2
-rw-r--r--src/test/ui/coherence/coherence-impl-trait-for-trait-object-safe.stderr2
-rw-r--r--src/test/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr2
-rw-r--r--src/test/ui/consts/min_const_fn/min_const_fn.stderr21
-rw-r--r--src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr6
-rw-r--r--src/test/ui/error-codes/E0038.stderr2
-rw-r--r--src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr4
-rw-r--r--src/test/ui/feature-gates/feature-gate-unnamed_fields.rs27
-rw-r--r--src/test/ui/feature-gates/feature-gate-unnamed_fields.stderr111
-rw-r--r--src/test/ui/generic-associated-types/gat-in-trait-path.stderr2
-rw-r--r--src/test/ui/generic-associated-types/issue-67510-pass.stderr2
-rw-r--r--src/test/ui/generic-associated-types/issue-76535.stderr4
-rw-r--r--src/test/ui/generic-associated-types/issue-78671.stderr2
-rw-r--r--src/test/ui/generic-associated-types/issue-79422.stderr4
-rw-r--r--src/test/ui/generic-associated-types/trait-objects.stderr2
-rw-r--r--src/test/ui/issues/issue-18959.stderr2
-rw-r--r--src/test/ui/issues/issue-19538.stderr4
-rw-r--r--src/test/ui/issues/issue-34255-1.rs2
-rw-r--r--src/test/ui/issues/issue-34255-1.stderr19
-rw-r--r--src/test/ui/issues/issue-56031.stderr10
-rw-r--r--src/test/ui/object-safety/object-safety-associated-consts.curr.stderr2
-rw-r--r--src/test/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr2
-rw-r--r--src/test/ui/object-safety/object-safety-generics.curr.stderr4
-rw-r--r--src/test/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr4
-rw-r--r--src/test/ui/object-safety/object-safety-mentions-Self.curr.stderr4
-rw-r--r--src/test/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr4
-rw-r--r--src/test/ui/parser/issue-44406.rs4
-rw-r--r--src/test/ui/parser/issue-44406.stderr20
-rw-r--r--src/test/ui/parser/issue-88583-union-as-ident.rs15
-rw-r--r--src/test/ui/parser/issue-88818.rs10
-rw-r--r--src/test/ui/parser/issue-88818.stderr18
-rw-r--r--src/test/ui/parser/macro-braces-dot-question.rs11
-rw-r--r--src/test/ui/parser/recover-from-bad-variant.rs2
-rw-r--r--src/test/ui/parser/recover-from-bad-variant.stderr19
-rw-r--r--src/test/ui/rfc-2008-non-exhaustive/auxiliary/enums.rs23
-rw-r--r--src/test/ui/rfc-2008-non-exhaustive/auxiliary/structs.rs10
-rw-r--r--src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.rs160
-rw-r--r--src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.stderr146
-rw-r--r--src/test/ui/rfc-2008-non-exhaustive/struct.stderr6
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs13
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr59
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs54
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr59
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/const-drop.rs81
-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/inherent-impl-const-bounds.rs21
-rw-r--r--src/test/ui/suggestions/object-unsafe-trait-references-self.stderr4
-rw-r--r--src/test/ui/traits/item-privacy.stderr6
-rw-r--r--src/test/ui/traits/test-2.stderr8
-rw-r--r--src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr2
-rw-r--r--src/test/ui/typeck/issue-88803-call-expr-method.fixed9
-rw-r--r--src/test/ui/typeck/issue-88803-call-expr-method.rs9
-rw-r--r--src/test/ui/typeck/issue-88803-call-expr-method.stderr15
-rw-r--r--src/test/ui/unnamed_fields/restrict_anonymous.rs52
-rw-r--r--src/test/ui/unnamed_fields/restrict_anonymous.stderr175
-rw-r--r--src/test/ui/wf/issue-87495.stderr2
-rw-r--r--src/test/ui/wf/wf-object-safe.stderr2
69 files changed, 991 insertions, 469 deletions
diff --git a/src/test/debuginfo/mutex.rs b/src/test/debuginfo/mutex.rs
index 40bea30f125..4a529541bae 100644
--- a/src/test/debuginfo/mutex.rs
+++ b/src/test/debuginfo/mutex.rs
@@ -3,6 +3,8 @@
 // cdb-only
 // min-cdb-version: 10.0.21287.1005
 // compile-flags:-g
+// FIXME: Failed on update to 10.0.22000.1
+// ignore-windows
 
 // === CDB TESTS ==================================================================================
 //
diff --git a/src/test/pretty/anonymous-types.rs b/src/test/pretty/anonymous-types.rs
deleted file mode 100644
index 5ff452e8e43..00000000000
--- a/src/test/pretty/anonymous-types.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// Test for issue 85480
-// Pretty print anonymous struct and union types
-
-// pp-exact
-// pretty-compare-only
-
-struct Foo {
-    _: union {
-           _: struct {
-                  a: u8,
-                  b: u16,
-              },
-           c: u32,
-       },
-    d: u64,
-    e: f32,
-}
-
-type A =
- struct {
-     field: u8,
- };
-
-fn main() { }
diff --git a/src/test/run-make-fulldeps/reproducible-build/Makefile b/src/test/run-make-fulldeps/reproducible-build/Makefile
index a17ec212cfd..adccc153568 100644
--- a/src/test/run-make-fulldeps/reproducible-build/Makefile
+++ b/src/test/run-make-fulldeps/reproducible-build/Makefile
@@ -9,9 +9,19 @@ all:  \
 	opt \
 	link_paths \
 	remap_paths \
-	different_source_dirs \
+	different_source_dirs_rlib \
+	remap_cwd_rlib \
+	remap_cwd_to_empty \
 	extern_flags
 
+# TODO: Builds of `bin` crate types are not deterministic with debuginfo=2 on
+# Windows.
+# See: https://github.com/rust-lang/rust/pull/87320#issuecomment-920105533
+# Issue: https://github.com/rust-lang/rust/issues/88982
+#
+#	different_source_dirs_bin \
+#	remap_cwd_bin \
+
 smoke:
 	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
 	$(RUSTC) linker.rs -O
@@ -52,7 +62,19 @@ remap_paths:
 	$(RUSTC) reproducible-build.rs --crate-type rlib --remap-path-prefix=/b=/c
 	cmp "$(TMPDIR)/libreproducible_build.rlib" "$(TMPDIR)/libfoo.rlib" || exit 1
 
-different_source_dirs:
+different_source_dirs_bin:
+	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
+	$(RUSTC) reproducible-build-aux.rs
+	mkdir $(TMPDIR)/test
+	cp reproducible-build.rs $(TMPDIR)/test
+	$(RUSTC) reproducible-build.rs --crate-type bin --remap-path-prefix=$$PWD=/b
+	cp $(TMPDIR)/reproducible-build $(TMPDIR)/foo
+	(cd $(TMPDIR)/test && $(RUSTC) reproducible-build.rs \
+		--remap-path-prefix=$(TMPDIR)/test=/b \
+		--crate-type bin)
+	cmp "$(TMPDIR)/reproducible-build" "$(TMPDIR)/foo" || exit 1
+
+different_source_dirs_rlib:
 	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
 	$(RUSTC) reproducible-build-aux.rs
 	mkdir $(TMPDIR)/test
@@ -64,6 +86,45 @@ different_source_dirs:
 		--crate-type rlib)
 	cmp "$(TMPDIR)/libreproducible_build.rlib" "$(TMPDIR)/libfoo.rlib" || exit 1
 
+remap_cwd_bin:
+	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
+	$(RUSTC) reproducible-build-aux.rs
+	mkdir $(TMPDIR)/test
+	cp reproducible-build.rs $(TMPDIR)/test
+	$(RUSTC) reproducible-build.rs --crate-type bin -C debuginfo=2 \
+	  -Z remap-cwd-prefix=.
+	cp $(TMPDIR)/reproducible-build $(TMPDIR)/first
+	(cd $(TMPDIR)/test && \
+	 $(RUSTC) reproducible-build.rs --crate-type bin -C debuginfo=2 \
+	   -Z remap-cwd-prefix=.)
+	cmp "$(TMPDIR)/first" "$(TMPDIR)/reproducible-build" || exit 1
+
+remap_cwd_rlib:
+	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
+	$(RUSTC) reproducible-build-aux.rs
+	mkdir $(TMPDIR)/test
+	cp reproducible-build.rs $(TMPDIR)/test
+	$(RUSTC) reproducible-build.rs --crate-type rlib -C debuginfo=2 \
+	  -Z remap-cwd-prefix=.
+	cp $(TMPDIR)/libreproducible_build.rlib $(TMPDIR)/libfirst.rlib
+	(cd $(TMPDIR)/test && \
+	 $(RUSTC) reproducible-build.rs --crate-type rlib -C debuginfo=2 \
+	   -Z remap-cwd-prefix=.)
+	cmp "$(TMPDIR)/libfirst.rlib" "$(TMPDIR)/libreproducible_build.rlib" || exit 1
+
+remap_cwd_to_empty:
+	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
+	$(RUSTC) reproducible-build-aux.rs
+	mkdir $(TMPDIR)/test
+	cp reproducible-build.rs $(TMPDIR)/test
+	$(RUSTC) reproducible-build.rs --crate-type rlib -C debuginfo=2 \
+	  -Z remap-cwd-prefix=
+	cp $(TMPDIR)/libreproducible_build.rlib $(TMPDIR)/libfirst.rlib
+	(cd $(TMPDIR)/test && \
+	 $(RUSTC) reproducible-build.rs --crate-type rlib -C debuginfo=2 \
+	   -Z remap-cwd-prefix=)
+	cmp "$(TMPDIR)/libfirst.rlib" "$(TMPDIR)/libreproducible_build.rlib" || exit 1
+
 extern_flags:
 	rm -rf $(TMPDIR) && mkdir $(TMPDIR)
 	$(RUSTC) reproducible-build-aux.rs
diff --git a/src/test/rustdoc-gui/code-sidebar-toggle.goml b/src/test/rustdoc-gui/code-sidebar-toggle.goml
index 00326e9bbc4..6fb92e19660 100644
--- a/src/test/rustdoc-gui/code-sidebar-toggle.goml
+++ b/src/test/rustdoc-gui/code-sidebar-toggle.goml
@@ -1,5 +1,6 @@
 goto: file://|DOC_PATH|/test_docs/index.html
 click: ".srclink"
+wait-for: "#sidebar-toggle"
 click: "#sidebar-toggle"
 wait-for: 500
 fail: true
diff --git a/src/test/rustdoc-gui/jump-to-def-background.goml b/src/test/rustdoc-gui/jump-to-def-background.goml
new file mode 100644
index 00000000000..3df899e0f26
--- /dev/null
+++ b/src/test/rustdoc-gui/jump-to-def-background.goml
@@ -0,0 +1,23 @@
+// We check the background color on the jump to definition links in the source code page.
+goto: file://|DOC_PATH|/src/link_to_definition/lib.rs.html
+
+// Set the theme to dark.
+local-storage: {"rustdoc-theme": "dark", "rustdoc-preferred-dark-theme": "dark", "rustdoc-use-system-theme": "false"}
+// We reload the page so the local storage settings are being used.
+reload:
+
+assert-css: ("body.source .example-wrap pre.rust a", {"background-color": "rgb(51, 51, 51)"}, ALL)
+
+// Set the theme to ayu.
+local-storage: {"rustdoc-theme": "ayu", "rustdoc-preferred-dark-theme": "ayu", "rustdoc-use-system-theme": "false"}
+// We reload the page so the local storage settings are being used.
+reload:
+
+assert-css: ("body.source .example-wrap pre.rust a", {"background-color": "rgb(51, 51, 51)"}, ALL)
+
+// Set the theme to light.
+local-storage: {"rustdoc-theme": "light", "rustdoc-use-system-theme": "false"}
+// We reload the page so the local storage settings are being used.
+reload:
+
+assert-css: ("body.source .example-wrap pre.rust a", {"background-color": "rgb(238, 238, 238)"}, ALL)
diff --git a/src/test/rustdoc-gui/src/link_to_definition/Cargo.lock b/src/test/rustdoc-gui/src/link_to_definition/Cargo.lock
new file mode 100644
index 00000000000..e4b4e52d028
--- /dev/null
+++ b/src/test/rustdoc-gui/src/link_to_definition/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "link_to_definition"
+version = "0.1.0"
diff --git a/src/test/rustdoc-gui/src/link_to_definition/Cargo.toml b/src/test/rustdoc-gui/src/link_to_definition/Cargo.toml
new file mode 100644
index 00000000000..cdd294d74d3
--- /dev/null
+++ b/src/test/rustdoc-gui/src/link_to_definition/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "link_to_definition"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+path = "lib.rs"
diff --git a/src/test/rustdoc-gui/src/link_to_definition/lib.rs b/src/test/rustdoc-gui/src/link_to_definition/lib.rs
new file mode 100644
index 00000000000..de9ee66a2ba
--- /dev/null
+++ b/src/test/rustdoc-gui/src/link_to_definition/lib.rs
@@ -0,0 +1,6 @@
+pub struct Bar {
+    pub a: String,
+    pub b: u32,
+}
+
+pub fn foo(_b: &Bar) {}
diff --git a/src/test/rustdoc-ui/display-output.rs b/src/test/rustdoc-ui/display-output.rs
new file mode 100644
index 00000000000..5e390029dca
--- /dev/null
+++ b/src/test/rustdoc-ui/display-output.rs
@@ -0,0 +1,9 @@
+// check-pass
+// compile-flags:-Zunstable-options --display-doctest-warnings --test
+// normalize-stdout-test: "src/test/rustdoc-ui" -> "$$DIR"
+// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME"
+
+/// ```
+/// let x = 12;
+/// ```
+pub fn foo() {}
diff --git a/src/test/rustdoc-ui/display-output.stdout b/src/test/rustdoc-ui/display-output.stdout
new file mode 100644
index 00000000000..00467b9359e
--- /dev/null
+++ b/src/test/rustdoc-ui/display-output.stdout
@@ -0,0 +1,24 @@
+
+running 1 test
+test $DIR/display-output.rs - foo (line 6) ... ok
+
+successes:
+
+---- $DIR/display-output.rs - foo (line 6) stdout ----
+warning: unused variable: `x`
+  --> $DIR/display-output.rs:7:5
+   |
+LL | let x = 12;
+   |     ^ help: if this is intentional, prefix it with an underscore: `_x`
+   |
+   = note: `#[warn(unused_variables)]` on by default
+
+warning: 1 warning emitted
+
+
+
+successes:
+    $DIR/display-output.rs - foo (line 6)
+
+test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME
+
diff --git a/src/test/rustdoc/check-source-code-urls-to-def-std.rs b/src/test/rustdoc/check-source-code-urls-to-def-std.rs
new file mode 100644
index 00000000000..b129ceb5b73
--- /dev/null
+++ b/src/test/rustdoc/check-source-code-urls-to-def-std.rs
@@ -0,0 +1,17 @@
+// compile-flags: -Zunstable-options --generate-link-to-definition
+
+#![crate_name = "foo"]
+
+// @has 'src/foo/check-source-code-urls-to-def-std.rs.html'
+
+fn babar() {}
+
+// @has - '//a[@href="{{channel}}/std/primitive.u32.html"]' 'u32'
+// @has - '//a[@href="{{channel}}/std/primitive.str.html"]' 'str'
+// @has - '//a[@href="{{channel}}/std/primitive.bool.html"]' 'bool'
+// @has - '//a[@href="../../src/foo/check-source-code-urls-to-def-std.rs.html#7"]' 'babar'
+pub fn foo(a: u32, b: &str, c: String) {
+    let x = 12;
+    let y: bool = true;
+    babar();
+}
diff --git a/src/test/rustdoc/check-source-code-urls-to-def.rs b/src/test/rustdoc/check-source-code-urls-to-def.rs
index e3ae79ccdb1..0cb8e423016 100644
--- a/src/test/rustdoc/check-source-code-urls-to-def.rs
+++ b/src/test/rustdoc/check-source-code-urls-to-def.rs
@@ -27,6 +27,8 @@ impl Foo {
 fn babar() {}
 
 // @has - '//a/@href' '/struct.String.html'
+// @has - '//a/@href' '/primitive.u32.html'
+// @has - '//a/@href' '/primitive.str.html'
 // @count - '//a[@href="../../src/foo/check-source-code-urls-to-def.rs.html#21"]' 5
 // @has - '//a[@href="../../source_code/struct.SourceCode.html"]' 'source_code::SourceCode'
 pub fn foo(a: u32, b: &str, c: String, d: Foo, e: bar::Bar, f: source_code::SourceCode) {
@@ -40,5 +42,9 @@ pub fn foo(a: u32, b: &str, c: String, d: Foo, e: bar::Bar, f: source_code::Sour
 
 // @has - '//a[@href="../../src/foo/auxiliary/source-code-bar.rs.html#14-16"]' 'bar::sub::Trait'
 // @has - '//a[@href="../../src/foo/auxiliary/source-code-bar.rs.html#14-16"]' 'Trait'
-pub fn foo2<T: bar::sub::Trait, V: Trait>(t: &T, v: &V) {
+pub fn foo2<T: bar::sub::Trait, V: Trait>(t: &T, v: &V, b: bool) {
 }
+
+// @has - '//a[@href="../../foo/primitive.bool.html"]' 'bool'
+#[doc(primitive = "bool")]
+mod whatever {}
diff --git a/src/test/ui/associated-consts/associated-const-in-trait.stderr b/src/test/ui/associated-consts/associated-const-in-trait.stderr
index 7b459410824..fc949f24948 100644
--- a/src/test/ui/associated-consts/associated-const-in-trait.stderr
+++ b/src/test/ui/associated-consts/associated-const-in-trait.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Trait` cannot be made into an object
 LL | impl dyn Trait {
    |      ^^^^^^^^^ `Trait` cannot be made into an object
    |
-   = help: consider moving `N` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/associated-const-in-trait.rs:6:11
    |
@@ -12,6 +11,7 @@ LL | trait Trait {
    |       ----- this trait cannot be made into an object...
 LL |     const N: usize;
    |           ^ ...because it contains this associated `const`
+   = help: consider moving `N` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/associated-item/issue-48027.stderr b/src/test/ui/associated-item/issue-48027.stderr
index 77915a80a79..7b158f1d754 100644
--- a/src/test/ui/associated-item/issue-48027.stderr
+++ b/src/test/ui/associated-item/issue-48027.stderr
@@ -21,7 +21,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | impl dyn Bar {}
    |      ^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `X` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-48027.rs:2:11
    |
@@ -29,6 +28,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     const X: usize;
    |           ^ ...because it contains this associated `const`
+   = help: consider moving `X` to another trait
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/coherence/coherence-impl-trait-for-trait-object-safe.stderr b/src/test/ui/coherence/coherence-impl-trait-for-trait-object-safe.stderr
index a2b779e2954..e9090c1b6bc 100644
--- a/src/test/ui/coherence/coherence-impl-trait-for-trait-object-safe.stderr
+++ b/src/test/ui/coherence/coherence-impl-trait-for-trait-object-safe.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `NotObjectSafe` cannot be made into an object
 LL | impl NotObjectSafe for dyn NotObjectSafe { }
    |                        ^^^^^^^^^^^^^^^^^ `NotObjectSafe` cannot be made into an object
    |
-   = help: consider moving `eq` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/coherence-impl-trait-for-trait-object-safe.rs:6:43
    |
@@ -12,6 +11,7 @@ LL | trait NotObjectSafe { fn eq(&self, other: Self); }
    |       -------------                       ^^^^ ...because method `eq` references the `Self` type in this parameter
    |       |
    |       this trait cannot be made into an object...
+   = help: consider moving `eq` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr b/src/test/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr
index 319e6c2c032..4e1d71f1545 100644
--- a/src/test/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr
+++ b/src/test/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Foo` cannot be made into an object
 LL | fn use_dyn(v: &dyn Foo) {
    |                ^^^^^^^ `Foo` cannot be made into an object
    |
-   = help: consider moving `test` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-err-ret.rs:8:23
    |
@@ -12,6 +11,7 @@ LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     fn test(&self) -> [u8; bar::<Self>()];
    |                       ^^^^^^^^^^^^^^^^^^^ ...because method `test` references the `Self` type in its return type
+   = help: consider moving `test` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/consts/min_const_fn/min_const_fn.stderr b/src/test/ui/consts/min_const_fn/min_const_fn.stderr
index fcbf39d3869..d1c2a04d6a6 100644
--- a/src/test/ui/consts/min_const_fn/min_const_fn.stderr
+++ b/src/test/ui/consts/min_const_fn/min_const_fn.stderr
@@ -214,6 +214,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
    |
 LL | impl<T: std::fmt::Debug> Foo<T> {
    |      ^
+LL |
+LL |     const fn foo(&self) {}
+   |     ------------------- function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
@@ -223,6 +226,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
    |
 LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
    |      ^
+LL |
+LL |     const fn foo2(&self) {}
+   |     -------------------- function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
@@ -232,6 +238,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
    |
 LL | impl<T: Sync + Sized> Foo<T> {
    |      ^
+LL |
+LL |     const fn foo3(&self) {}
+   |     -------------------- function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
@@ -292,7 +301,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
   --> $DIR/min_const_fn.rs:139:41
    |
 LL | const fn really_no_traits_i_mean_it() { (&() as &dyn std::fmt::Debug, ()).1 }
-   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | -------------------------------------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
@@ -301,7 +312,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
   --> $DIR/min_const_fn.rs:139:42
    |
 LL | const fn really_no_traits_i_mean_it() { (&() as &dyn std::fmt::Debug, ()).1 }
-   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | -------------------------------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
@@ -310,7 +323,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
   --> $DIR/min_const_fn.rs:139:42
    |
 LL | const fn really_no_traits_i_mean_it() { (&() as &dyn std::fmt::Debug, ()).1 }
-   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | -------------------------------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | |
+   | function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
diff --git a/src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr b/src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr
index ce844a2f071..2cad8a862be 100644
--- a/src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr
+++ b/src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr
@@ -1,6 +1,8 @@
 error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
   --> $DIR/min_const_fn_dyn.rs:9:5
    |
+LL | const fn no_inner_dyn_trait2(x: Hide) {
+   | ------------------------------------- function declared as const here
 LL |     x.0.field;
    |     ^^^^^^^^^
    |
@@ -11,7 +13,9 @@ error[E0658]: trait bounds other than `Sized` on const fn parameters are unstabl
   --> $DIR/min_const_fn_dyn.rs:12:66
    |
 LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasDyn { field: &0 }) }
-   |                                                                  ^^
+   | -----------------------------------------                        ^^
+   | |
+   | function declared as const here
    |
    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
diff --git a/src/test/ui/error-codes/E0038.stderr b/src/test/ui/error-codes/E0038.stderr
index cead9776e4a..3773d6f5234 100644
--- a/src/test/ui/error-codes/E0038.stderr
+++ b/src/test/ui/error-codes/E0038.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Trait` cannot be made into an object
 LL | fn call_foo(x: Box<dyn Trait>) {
    |                    ^^^^^^^^^ `Trait` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/E0038.rs:2:22
    |
@@ -12,6 +11,7 @@ LL | trait Trait {
    |       ----- this trait cannot be made into an object...
 LL |     fn foo(&self) -> Self;
    |                      ^^^^ ...because method `foo` references the `Self` type in its return type
+   = help: consider moving `foo` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr b/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr
index a3bd65e518e..72cb4cc843c 100644
--- a/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr
+++ b/src/test/ui/feature-gates/feature-gate-object_safe_for_dispatch.stderr
@@ -40,7 +40,6 @@ error[E0038]: the trait `NonObjectSafe3` cannot be made into an object
 LL | fn takes_non_object_safe_box(obj: Box<dyn NonObjectSafe3>) {
    |                                       ^^^^^^^^^^^^^^^^^^ `NonObjectSafe3` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/feature-gate-object_safe_for_dispatch.rs:11:8
    |
@@ -48,6 +47,7 @@ LL | trait NonObjectSafe3 {
    |       -------------- this trait cannot be made into an object...
 LL |     fn foo<T>(&self);
    |        ^^^ ...because method `foo` has generic type parameters
+   = help: consider moving `foo` to another trait
 
 error[E0038]: the trait `NonObjectSafe4` cannot be made into an object
   --> $DIR/feature-gate-object_safe_for_dispatch.rs:31:35
@@ -55,7 +55,6 @@ error[E0038]: the trait `NonObjectSafe4` cannot be made into an object
 LL | fn return_non_object_safe_rc() -> std::rc::Rc<dyn NonObjectSafe4> {
    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `NonObjectSafe4` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/feature-gate-object_safe_for_dispatch.rs:15:22
    |
@@ -63,6 +62,7 @@ LL | trait NonObjectSafe4 {
    |       -------------- this trait cannot be made into an object...
 LL |     fn foo(&self, s: &Self);
    |                      ^^^^^ ...because method `foo` references the `Self` type in this parameter
+   = help: consider moving `foo` to another trait
 
 error[E0038]: the trait `NonObjectSafe1` cannot be made into an object
   --> $DIR/feature-gate-object_safe_for_dispatch.rs:38:16
diff --git a/src/test/ui/feature-gates/feature-gate-unnamed_fields.rs b/src/test/ui/feature-gates/feature-gate-unnamed_fields.rs
deleted file mode 100644
index bd815dbcc92..00000000000
--- a/src/test/ui/feature-gates/feature-gate-unnamed_fields.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-struct Foo {
-    foo: u8,
-    _: union { //~ ERROR unnamed fields are not yet fully implemented [E0658]
-    //~^ ERROR unnamed fields are not yet fully implemented [E0658]
-    //~| ERROR anonymous unions are unimplemented
-        bar: u8,
-        baz: u16
-    }
-}
-
-union Bar {
-    foobar: u8,
-    _: struct { //~ ERROR unnamed fields are not yet fully implemented [E0658]
-    //~^ ERROR unnamed fields are not yet fully implemented [E0658]
-    //~| ERROR anonymous structs are unimplemented
-    //~| ERROR unions may not contain fields that need dropping [E0740]
-        foobaz: u8,
-        barbaz: u16
-    }
-}
-
-struct S;
-struct Baz {
-    _: S //~ ERROR unnamed fields are not yet fully implemented [E0658]
-}
-
-fn main(){}
diff --git a/src/test/ui/feature-gates/feature-gate-unnamed_fields.stderr b/src/test/ui/feature-gates/feature-gate-unnamed_fields.stderr
deleted file mode 100644
index 4f3ab85c987..00000000000
--- a/src/test/ui/feature-gates/feature-gate-unnamed_fields.stderr
+++ /dev/null
@@ -1,111 +0,0 @@
-error[E0658]: unnamed fields are not yet fully implemented
-  --> $DIR/feature-gate-unnamed_fields.rs:3:5
-   |
-LL |     _: union {
-   |     ^
-   |
-   = note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
-   = help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
-
-error[E0658]: unnamed fields are not yet fully implemented
-  --> $DIR/feature-gate-unnamed_fields.rs:3:8
-   |
-LL |       _: union {
-   |  ________^
-LL | |
-LL | |
-LL | |         bar: u8,
-LL | |         baz: u16
-LL | |     }
-   | |_____^
-   |
-   = note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
-   = help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
-
-error[E0658]: unnamed fields are not yet fully implemented
-  --> $DIR/feature-gate-unnamed_fields.rs:13:5
-   |
-LL |     _: struct {
-   |     ^
-   |
-   = note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
-   = help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
-
-error[E0658]: unnamed fields are not yet fully implemented
-  --> $DIR/feature-gate-unnamed_fields.rs:13:8
-   |
-LL |       _: struct {
-   |  ________^
-LL | |
-LL | |
-LL | |
-LL | |         foobaz: u8,
-LL | |         barbaz: u16
-LL | |     }
-   | |_____^
-   |
-   = note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
-   = help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
-
-error[E0658]: unnamed fields are not yet fully implemented
-  --> $DIR/feature-gate-unnamed_fields.rs:24:5
-   |
-LL |     _: S
-   |     ^
-   |
-   = note: see issue #49804 <https://github.com/rust-lang/rust/issues/49804> for more information
-   = help: add `#![feature(unnamed_fields)]` to the crate attributes to enable
-
-error: anonymous unions are unimplemented
-  --> $DIR/feature-gate-unnamed_fields.rs:3:8
-   |
-LL |       _: union {
-   |  ________^
-LL | |
-LL | |
-LL | |         bar: u8,
-LL | |         baz: u16
-LL | |     }
-   | |_____^
-
-error: anonymous structs are unimplemented
-  --> $DIR/feature-gate-unnamed_fields.rs:13:8
-   |
-LL |       _: struct {
-   |  ________^
-LL | |
-LL | |
-LL | |
-LL | |         foobaz: u8,
-LL | |         barbaz: u16
-LL | |     }
-   | |_____^
-
-error[E0740]: unions may not contain fields that need dropping
-  --> $DIR/feature-gate-unnamed_fields.rs:13:5
-   |
-LL | /     _: struct {
-LL | |
-LL | |
-LL | |
-LL | |         foobaz: u8,
-LL | |         barbaz: u16
-LL | |     }
-   | |_____^
-   |
-note: `std::mem::ManuallyDrop` can be used to wrap the type
-  --> $DIR/feature-gate-unnamed_fields.rs:13:5
-   |
-LL | /     _: struct {
-LL | |
-LL | |
-LL | |
-LL | |         foobaz: u8,
-LL | |         barbaz: u16
-LL | |     }
-   | |_____^
-
-error: aborting due to 8 previous errors
-
-Some errors have detailed explanations: E0658, E0740.
-For more information about an error, try `rustc --explain E0658`.
diff --git a/src/test/ui/generic-associated-types/gat-in-trait-path.stderr b/src/test/ui/generic-associated-types/gat-in-trait-path.stderr
index 8651789688e..a55642490f9 100644
--- a/src/test/ui/generic-associated-types/gat-in-trait-path.stderr
+++ b/src/test/ui/generic-associated-types/gat-in-trait-path.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Foo` cannot be made into an object
 LL | fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {}
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object
    |
-   = help: consider moving `A` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/gat-in-trait-path.rs:5:10
    |
@@ -12,6 +11,7 @@ LL | trait Foo {
    |       --- this trait cannot be made into an object...
 LL |     type A<'a> where Self: 'a;
    |          ^ ...because it contains the generic associated type `A`
+   = help: consider moving `A` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/generic-associated-types/issue-67510-pass.stderr b/src/test/ui/generic-associated-types/issue-67510-pass.stderr
index b4b89ab0473..7dd1bdf891e 100644
--- a/src/test/ui/generic-associated-types/issue-67510-pass.stderr
+++ b/src/test/ui/generic-associated-types/issue-67510-pass.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `X` cannot be made into an object
 LL | fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {}
    |                       ^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object
    |
-   = help: consider moving `Y` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-67510-pass.rs:4:10
    |
@@ -12,6 +11,7 @@ LL | trait X {
    |       - this trait cannot be made into an object...
 LL |     type Y<'a>;
    |          ^ ...because it contains the generic associated type `Y`
+   = help: consider moving `Y` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/generic-associated-types/issue-76535.stderr b/src/test/ui/generic-associated-types/issue-76535.stderr
index 246454f0612..0a7eb5dde60 100644
--- a/src/test/ui/generic-associated-types/issue-76535.stderr
+++ b/src/test/ui/generic-associated-types/issue-76535.stderr
@@ -20,7 +20,6 @@ error[E0038]: the trait `SuperTrait` cannot be made into an object
 LL |     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object
    |
-   = help: consider moving `SubType` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-76535.rs:6:10
    |
@@ -28,6 +27,7 @@ LL | pub trait SuperTrait {
    |           ---------- this trait cannot be made into an object...
 LL |     type SubType<'a>: SubTrait;
    |          ^^^^^^^ ...because it contains the generic associated type `SubType`
+   = help: consider moving `SubType` to another trait
 
 error[E0038]: the trait `SuperTrait` cannot be made into an object
   --> $DIR/issue-76535.rs:36:57
@@ -35,7 +35,6 @@ error[E0038]: the trait `SuperTrait` cannot be made into an object
 LL |     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` cannot be made into an object
    |
-   = help: consider moving `SubType` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-76535.rs:6:10
    |
@@ -43,6 +42,7 @@ LL | pub trait SuperTrait {
    |           ---------- this trait cannot be made into an object...
 LL |     type SubType<'a>: SubTrait;
    |          ^^^^^^^ ...because it contains the generic associated type `SubType`
+   = help: consider moving `SubType` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<Box<dyn SuperTrait<SubType = SubStruct<'_>>>>` for `Box<SuperStruct>`
    = note: required by cast to type `Box<dyn SuperTrait<SubType = SubStruct<'_>>>`
 
diff --git a/src/test/ui/generic-associated-types/issue-78671.stderr b/src/test/ui/generic-associated-types/issue-78671.stderr
index b9273083956..17dd0ff4a0c 100644
--- a/src/test/ui/generic-associated-types/issue-78671.stderr
+++ b/src/test/ui/generic-associated-types/issue-78671.stderr
@@ -20,7 +20,6 @@ error[E0038]: the trait `CollectionFamily` cannot be made into an object
 LL |     Box::new(Family) as &dyn CollectionFamily<Member=usize>
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` cannot be made into an object
    |
-   = help: consider moving `Member` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-78671.rs:4:10
    |
@@ -28,6 +27,7 @@ LL | trait CollectionFamily {
    |       ---------------- this trait cannot be made into an object...
 LL |     type Member<T>;
    |          ^^^^^^ ...because it contains the generic associated type `Member`
+   = help: consider moving `Member` to another trait
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/generic-associated-types/issue-79422.stderr b/src/test/ui/generic-associated-types/issue-79422.stderr
index 8d8ef6bf836..b6f856a97e7 100644
--- a/src/test/ui/generic-associated-types/issue-79422.stderr
+++ b/src/test/ui/generic-associated-types/issue-79422.stderr
@@ -20,7 +20,6 @@ error[E0038]: the trait `MapLike` cannot be made into an object
 LL |         as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>;
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object
    |
-   = help: consider moving `VRefCont` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-79422.rs:20:10
    |
@@ -28,6 +27,7 @@ LL | trait MapLike<K, V> {
    |       ------- this trait cannot be made into an object...
 LL |     type VRefCont<'a>: RefCont<'a, V>;
    |          ^^^^^^^^ ...because it contains the generic associated type `VRefCont`
+   = help: consider moving `VRefCont` to another trait
 
 error[E0038]: the trait `MapLike` cannot be made into an object
   --> $DIR/issue-79422.rs:41:13
@@ -35,7 +35,6 @@ error[E0038]: the trait `MapLike` cannot be made into an object
 LL |     let m = Box::new(std::collections::BTreeMap::<u8, u8>::new())
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` cannot be made into an object
    |
-   = help: consider moving `VRefCont` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-79422.rs:20:10
    |
@@ -43,6 +42,7 @@ LL | trait MapLike<K, V> {
    |       ------- this trait cannot be made into an object...
 LL |     type VRefCont<'a>: RefCont<'a, V>;
    |          ^^^^^^^^ ...because it contains the generic associated type `VRefCont`
+   = help: consider moving `VRefCont` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>>` for `Box<BTreeMap<u8, u8>>`
    = note: required by cast to type `Box<dyn MapLike<u8, u8, VRefCont = (dyn RefCont<'_, u8> + 'static)>>`
 
diff --git a/src/test/ui/generic-associated-types/trait-objects.stderr b/src/test/ui/generic-associated-types/trait-objects.stderr
index 6429bb8159e..5ab37910207 100644
--- a/src/test/ui/generic-associated-types/trait-objects.stderr
+++ b/src/test/ui/generic-associated-types/trait-objects.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `StreamingIterator` cannot be made into an object
 LL | fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize {
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object
    |
-   = help: consider moving `Item` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/trait-objects.rs:4:10
    |
@@ -12,6 +11,7 @@ LL | trait StreamingIterator {
    |       ----------------- this trait cannot be made into an object...
 LL |     type Item<'a> where Self: 'a;
    |          ^^^^ ...because it contains the generic associated type `Item`
+   = help: consider moving `Item` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-18959.stderr b/src/test/ui/issues/issue-18959.stderr
index 2a5416ce85b..b9e27873636 100644
--- a/src/test/ui/issues/issue-18959.stderr
+++ b/src/test/ui/issues/issue-18959.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | fn foo(b: &dyn Bar) {
    |            ^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-18959.rs:1:20
    |
@@ -12,6 +11,7 @@ LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); }
    |                    ^^^ ...because method `foo` has generic type parameters
 LL | pub trait Bar: Foo { }
    |           --- this trait cannot be made into an object...
+   = help: consider moving `foo` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-19538.stderr b/src/test/ui/issues/issue-19538.stderr
index 555d0ff0dc7..7b37e1f95dc 100644
--- a/src/test/ui/issues/issue-19538.stderr
+++ b/src/test/ui/issues/issue-19538.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     let test: &mut dyn Bar = &mut thing;
    |               ^^^^^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-19538.rs:2:8
    |
@@ -13,6 +12,7 @@ LL |     fn foo<T>(&self, val: T);
 ...
 LL | trait Bar: Foo { }
    |       --- this trait cannot be made into an object...
+   = help: consider moving `foo` to another trait
 
 error[E0038]: the trait `Bar` cannot be made into an object
   --> $DIR/issue-19538.rs:17:30
@@ -20,7 +20,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     let test: &mut dyn Bar = &mut thing;
    |                              ^^^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-19538.rs:2:8
    |
@@ -29,6 +28,7 @@ LL |     fn foo<T>(&self, val: T);
 ...
 LL | trait Bar: Foo { }
    |       --- this trait cannot be made into an object...
+   = help: consider moving `foo` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&mut dyn Bar>` for `&mut Thing`
    = note: required by cast to type `&mut dyn Bar`
 
diff --git a/src/test/ui/issues/issue-34255-1.rs b/src/test/ui/issues/issue-34255-1.rs
index b1071934bb2..c70cd8b5077 100644
--- a/src/test/ui/issues/issue-34255-1.rs
+++ b/src/test/ui/issues/issue-34255-1.rs
@@ -6,5 +6,5 @@ enum Test {
 
 fn main() {
     Test::Drill(field: 42);
-    //~^ ERROR expected type, found
+    //~^ ERROR invalid `struct` delimiters or `fn` call arguments
 }
diff --git a/src/test/ui/issues/issue-34255-1.stderr b/src/test/ui/issues/issue-34255-1.stderr
index c8bad3b3bb5..fbff75e37d9 100644
--- a/src/test/ui/issues/issue-34255-1.stderr
+++ b/src/test/ui/issues/issue-34255-1.stderr
@@ -1,13 +1,18 @@
-error: expected type, found `42`
-  --> $DIR/issue-34255-1.rs:8:24
+error: invalid `struct` delimiters or `fn` call arguments
+  --> $DIR/issue-34255-1.rs:8:5
    |
 LL |     Test::Drill(field: 42);
-   |                      - ^^ expected type
-   |                      |
-   |                      tried to parse a type due to this type ascription
+   |     ^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+help: if `Test::Drill` is a struct, use braces as delimiters
+   |
+LL |     Test::Drill { field: 42 };
+   |                 ~           ~
+help: if `Test::Drill` is a function, use the arguments directly
+   |
+LL -     Test::Drill(field: 42);
+LL +     Test::Drill(42);
+   | 
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-56031.stderr b/src/test/ui/issues/issue-56031.stderr
index 3d7acee0a56..7ee5bc6ec61 100644
--- a/src/test/ui/issues/issue-56031.stderr
+++ b/src/test/ui/issues/issue-56031.stderr
@@ -3,6 +3,16 @@ error: missing trait in a trait impl
    |
 LL | impl for T {}
    |     ^
+   |
+help: add a trait here
+   |
+LL | impl Trait for T {}
+   |      +++++
+help: for an inherent impl, drop this `for`
+   |
+LL - impl for T {}
+LL + impl T {}
+   | 
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/object-safety/object-safety-associated-consts.curr.stderr b/src/test/ui/object-safety/object-safety-associated-consts.curr.stderr
index 35ec586892c..9dd144fee24 100644
--- a/src/test/ui/object-safety/object-safety-associated-consts.curr.stderr
+++ b/src/test/ui/object-safety/object-safety-associated-consts.curr.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
    |                              ^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `X` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-associated-consts.rs:9:11
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     const X: usize;
    |           ^ ...because it contains this associated `const`
+   = help: consider moving `X` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr b/src/test/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
index d51734ed231..9ba3b251e66 100644
--- a/src/test/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
+++ b/src/test/ui/object-safety/object-safety-associated-consts.object_safe_for_dispatch.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     t
    |     ^ `Bar` cannot be made into an object
    |
-   = help: consider moving `X` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-associated-consts.rs:9:11
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     const X: usize;
    |           ^ ...because it contains this associated `const`
+   = help: consider moving `X` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Bar>` for `&T`
    = note: required by cast to type `&dyn Bar`
 
diff --git a/src/test/ui/object-safety/object-safety-generics.curr.stderr b/src/test/ui/object-safety/object-safety-generics.curr.stderr
index 8d6094c5144..345950f1ae6 100644
--- a/src/test/ui/object-safety/object-safety-generics.curr.stderr
+++ b/src/test/ui/object-safety/object-safety-generics.curr.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
    |                              ^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-generics.rs:10:8
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
+   = help: consider moving `bar` to another trait
 
 error[E0038]: the trait `Bar` cannot be made into an object
   --> $DIR/object-safety-generics.rs:24:39
@@ -19,7 +19,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar {
    |                                       ^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-generics.rs:10:8
    |
@@ -27,6 +26,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
+   = help: consider moving `bar` to another trait
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr b/src/test/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
index 3d2b2bb228c..86355627c79 100644
--- a/src/test/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
+++ b/src/test/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     t
    |     ^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-generics.rs:10:8
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
+   = help: consider moving `bar` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Bar>` for `&T`
    = note: required by cast to type `&dyn Bar`
 
@@ -21,7 +21,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     t as &dyn Bar
    |     ^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-generics.rs:10:8
    |
@@ -29,6 +28,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
+   = help: consider moving `bar` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Bar>` for `&T`
    = note: required by cast to type `&dyn Bar`
 
diff --git a/src/test/ui/object-safety/object-safety-mentions-Self.curr.stderr b/src/test/ui/object-safety/object-safety-mentions-Self.curr.stderr
index 336929702e6..f91c9b98560 100644
--- a/src/test/ui/object-safety/object-safety-mentions-Self.curr.stderr
+++ b/src/test/ui/object-safety/object-safety-mentions-Self.curr.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
    |                              ^^^^^^^^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-mentions-Self.rs:11:22
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar(&self, x: &Self);
    |                      ^^^^^ ...because method `bar` references the `Self` type in this parameter
+   = help: consider moving `bar` to another trait
 
 error[E0038]: the trait `Baz` cannot be made into an object
   --> $DIR/object-safety-mentions-Self.rs:28:30
@@ -19,7 +19,6 @@ error[E0038]: the trait `Baz` cannot be made into an object
 LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
    |                              ^^^^^^^^ `Baz` cannot be made into an object
    |
-   = help: consider moving `baz` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-mentions-Self.rs:15:22
    |
@@ -27,6 +26,7 @@ LL | trait Baz {
    |       --- this trait cannot be made into an object...
 LL |     fn baz(&self) -> Self;
    |                      ^^^^ ...because method `baz` references the `Self` type in its return type
+   = help: consider moving `baz` to another trait
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr b/src/test/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
index 6e7896e309c..f48628c9d11 100644
--- a/src/test/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
+++ b/src/test/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `Bar` cannot be made into an object
 LL |     t
    |     ^ `Bar` cannot be made into an object
    |
-   = help: consider moving `bar` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-mentions-Self.rs:11:22
    |
@@ -12,6 +11,7 @@ LL | trait Bar {
    |       --- this trait cannot be made into an object...
 LL |     fn bar(&self, x: &Self);
    |                      ^^^^^ ...because method `bar` references the `Self` type in this parameter
+   = help: consider moving `bar` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Bar>` for `&T`
    = note: required by cast to type `&dyn Bar`
 
@@ -21,7 +21,6 @@ error[E0038]: the trait `Baz` cannot be made into an object
 LL |     t
    |     ^ `Baz` cannot be made into an object
    |
-   = help: consider moving `baz` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-safety-mentions-Self.rs:15:22
    |
@@ -29,6 +28,7 @@ LL | trait Baz {
    |       --- this trait cannot be made into an object...
 LL |     fn baz(&self) -> Self;
    |                      ^^^^ ...because method `baz` references the `Self` type in its return type
+   = help: consider moving `baz` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Baz>` for `&T`
    = note: required by cast to type `&dyn Baz`
 
diff --git a/src/test/ui/parser/issue-44406.rs b/src/test/ui/parser/issue-44406.rs
index 83bbf884a4f..a5b7e83a016 100644
--- a/src/test/ui/parser/issue-44406.rs
+++ b/src/test/ui/parser/issue-44406.rs
@@ -1,10 +1,10 @@
 macro_rules! foo {
     ($rest: tt) => {
-        bar(baz: $rest)
+        bar(baz: $rest) //~ ERROR invalid `struct` delimiters or `fn` call arguments
     }
 }
 
 fn main() {
-    foo!(true); //~ ERROR expected type, found keyword
+    foo!(true);
     //~^ ERROR expected identifier, found keyword
 }
diff --git a/src/test/ui/parser/issue-44406.stderr b/src/test/ui/parser/issue-44406.stderr
index 372387131e5..862026408ef 100644
--- a/src/test/ui/parser/issue-44406.stderr
+++ b/src/test/ui/parser/issue-44406.stderr
@@ -9,17 +9,25 @@ help: you can escape reserved keywords to use them as identifiers
 LL |     foo!(r#true);
    |          ~~~~~~
 
-error: expected type, found keyword `true`
-  --> $DIR/issue-44406.rs:8:10
+error: invalid `struct` delimiters or `fn` call arguments
+  --> $DIR/issue-44406.rs:3:9
    |
 LL |         bar(baz: $rest)
-   |                - help: try using a semicolon: `;`
+   |         ^^^^^^^^^^^^^^^
 ...
 LL |     foo!(true);
-   |          ^^^^ expected type
+   |     ----------- in this macro invocation
+   |
+   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: if `bar` is a struct, use braces as delimiters
+   |
+LL |         bar {  }
+   |             ~
+help: if `bar` is a function, use the arguments directly
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+LL -         bar(baz: $rest)
+LL +         bar(true);
+   | 
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/parser/issue-88583-union-as-ident.rs b/src/test/ui/parser/issue-88583-union-as-ident.rs
new file mode 100644
index 00000000000..b3d66d46b1d
--- /dev/null
+++ b/src/test/ui/parser/issue-88583-union-as-ident.rs
@@ -0,0 +1,15 @@
+// check-pass
+
+#![allow(non_camel_case_types)]
+
+struct union;
+
+impl union {
+    pub fn new() -> Self {
+        union { }
+    }
+}
+
+fn main() {
+    let _u = union::new();
+}
diff --git a/src/test/ui/parser/issue-88818.rs b/src/test/ui/parser/issue-88818.rs
new file mode 100644
index 00000000000..b9233ca8339
--- /dev/null
+++ b/src/test/ui/parser/issue-88818.rs
@@ -0,0 +1,10 @@
+// Regression test for #88818 (improve error message for missing trait
+// in `impl for X`).
+
+struct S { }
+impl for S { }
+//~^ ERROR: missing trait in a trait impl
+//~| HELP: add a trait here
+//~| HELP: for an inherent impl, drop this `for`
+
+fn main() {}
diff --git a/src/test/ui/parser/issue-88818.stderr b/src/test/ui/parser/issue-88818.stderr
new file mode 100644
index 00000000000..d30990ae582
--- /dev/null
+++ b/src/test/ui/parser/issue-88818.stderr
@@ -0,0 +1,18 @@
+error: missing trait in a trait impl
+  --> $DIR/issue-88818.rs:5:5
+   |
+LL | impl for S { }
+   |     ^
+   |
+help: add a trait here
+   |
+LL | impl Trait for S { }
+   |      +++++
+help: for an inherent impl, drop this `for`
+   |
+LL - impl for S { }
+LL + impl S { }
+   | 
+
+error: aborting due to previous error
+
diff --git a/src/test/ui/parser/macro-braces-dot-question.rs b/src/test/ui/parser/macro-braces-dot-question.rs
new file mode 100644
index 00000000000..016b434a612
--- /dev/null
+++ b/src/test/ui/parser/macro-braces-dot-question.rs
@@ -0,0 +1,11 @@
+// check-pass
+
+use std::io::Write;
+
+fn main() -> Result<(), std::io::Error> {
+    vec! { 1, 2, 3 }.len();
+    write! { vec![], "" }?;
+    println!{""}
+    [0]; // separate statement, not indexing into the result of println.
+    Ok(())
+}
diff --git a/src/test/ui/parser/recover-from-bad-variant.rs b/src/test/ui/parser/recover-from-bad-variant.rs
index 1bcef450bb9..e8887147cbc 100644
--- a/src/test/ui/parser/recover-from-bad-variant.rs
+++ b/src/test/ui/parser/recover-from-bad-variant.rs
@@ -5,7 +5,7 @@ enum Enum {
 
 fn main() {
     let x = Enum::Foo(a: 3, b: 4);
-    //~^ ERROR expected type, found `3`
+    //~^ ERROR invalid `struct` delimiters or `fn` call arguments
     match x {
         Enum::Foo(a, b) => {}
         //~^ ERROR expected tuple struct or tuple variant, found struct variant `Enum::Foo`
diff --git a/src/test/ui/parser/recover-from-bad-variant.stderr b/src/test/ui/parser/recover-from-bad-variant.stderr
index 61ea3695eee..8cb71069bda 100644
--- a/src/test/ui/parser/recover-from-bad-variant.stderr
+++ b/src/test/ui/parser/recover-from-bad-variant.stderr
@@ -1,13 +1,18 @@
-error: expected type, found `3`
-  --> $DIR/recover-from-bad-variant.rs:7:26
+error: invalid `struct` delimiters or `fn` call arguments
+  --> $DIR/recover-from-bad-variant.rs:7:13
    |
 LL |     let x = Enum::Foo(a: 3, b: 4);
-   |                        - ^ expected type
-   |                        |
-   |                        tried to parse a type due to this type ascription
+   |             ^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `<expr>: <type>`
-   = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
+help: if `Enum::Foo` is a struct, use braces as delimiters
+   |
+LL |     let x = Enum::Foo { a: 3, b: 4 };
+   |                       ~            ~
+help: if `Enum::Foo` is a function, use the arguments directly
+   |
+LL -     let x = Enum::Foo(a: 3, b: 4);
+LL +     let x = Enum::Foo(3, 4);
+   | 
 
 error[E0532]: expected tuple struct or tuple variant, found struct variant `Enum::Foo`
   --> $DIR/recover-from-bad-variant.rs:10:9
diff --git a/src/test/ui/rfc-2008-non-exhaustive/auxiliary/enums.rs b/src/test/ui/rfc-2008-non-exhaustive/auxiliary/enums.rs
index 8516bafef9b..0098f087d10 100644
--- a/src/test/ui/rfc-2008-non-exhaustive/auxiliary/enums.rs
+++ b/src/test/ui/rfc-2008-non-exhaustive/auxiliary/enums.rs
@@ -4,8 +4,29 @@
 pub enum NonExhaustiveEnum {
     Unit,
     Tuple(u32),
-    Struct { field: u32 }
+    Struct { field: u32 },
+}
+
+#[non_exhaustive]
+pub enum NestedNonExhaustive {
+    A(NonExhaustiveEnum),
+    B,
+    C,
 }
 
 #[non_exhaustive]
 pub enum EmptyNonExhaustiveEnum {}
+
+pub enum VariantNonExhaustive {
+    #[non_exhaustive]
+    Bar {
+        x: u32,
+        y: u64,
+    },
+    Baz(u32, u16),
+}
+
+#[non_exhaustive]
+pub enum NonExhaustiveSingleVariant {
+    A(bool),
+}
diff --git a/src/test/ui/rfc-2008-non-exhaustive/auxiliary/structs.rs b/src/test/ui/rfc-2008-non-exhaustive/auxiliary/structs.rs
index 6bfe7bf923d..5b2181d2d83 100644
--- a/src/test/ui/rfc-2008-non-exhaustive/auxiliary/structs.rs
+++ b/src/test/ui/rfc-2008-non-exhaustive/auxiliary/structs.rs
@@ -1,3 +1,4 @@
+#[derive(Default)]
 #[non_exhaustive]
 pub struct NormalStruct {
     pub first_field: u16,
@@ -15,7 +16,7 @@ pub struct TupleStruct(pub u16, pub u16);
 pub struct FunctionalRecord {
     pub first_field: u16,
     pub second_field: u16,
-    pub third_field: bool
+    pub third_field: bool,
 }
 
 impl Default for FunctionalRecord {
@@ -23,3 +24,10 @@ impl Default for FunctionalRecord {
         FunctionalRecord { first_field: 640, second_field: 480, third_field: false }
     }
 }
+
+#[derive(Default)]
+#[non_exhaustive]
+pub struct NestedStruct {
+    pub foo: u16,
+    pub bar: NormalStruct,
+}
diff --git a/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.rs b/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.rs
new file mode 100644
index 00000000000..115fd300fa5
--- /dev/null
+++ b/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.rs
@@ -0,0 +1,160 @@
+// Test that the `non_exhaustive_omitted_patterns` lint is triggered correctly.
+
+// aux-build:enums.rs
+extern crate enums;
+
+// aux-build:structs.rs
+extern crate structs;
+
+use enums::{
+    EmptyNonExhaustiveEnum, NestedNonExhaustive, NonExhaustiveEnum, NonExhaustiveSingleVariant,
+    VariantNonExhaustive,
+};
+use structs::{FunctionalRecord, NestedStruct, NormalStruct};
+
+#[non_exhaustive]
+#[derive(Default)]
+pub struct Foo {
+    a: u8,
+    b: usize,
+    c: String,
+}
+
+#[non_exhaustive]
+pub enum Bar {
+    A,
+    B,
+    C,
+}
+
+fn main() {
+    let enumeration = Bar::A;
+
+    // Ok: this is a crate local non_exhaustive enum
+    match enumeration {
+        Bar::A => {}
+        Bar::B => {}
+        #[deny(non_exhaustive_omitted_patterns)]
+        _ => {}
+    }
+
+    let non_enum = NonExhaustiveEnum::Unit;
+
+    // Ok: without the attribute
+    match non_enum {
+        NonExhaustiveEnum::Unit => {}
+        NonExhaustiveEnum::Tuple(_) => {}
+        _ => {}
+    }
+
+    match non_enum {
+        NonExhaustiveEnum::Unit => {}
+        NonExhaustiveEnum::Tuple(_) => {}
+        #[deny(non_exhaustive_omitted_patterns)]
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+
+    match non_enum {
+        NonExhaustiveEnum::Unit | NonExhaustiveEnum::Struct { .. } => {}
+        #[deny(non_exhaustive_omitted_patterns)]
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+
+    let x = 5;
+    match non_enum {
+        NonExhaustiveEnum::Unit if x > 10 => {}
+        NonExhaustiveEnum::Tuple(_) => {}
+        NonExhaustiveEnum::Struct { .. } => {}
+        #[deny(non_exhaustive_omitted_patterns)]
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+
+    // Ok: all covered and not `unreachable-patterns`
+    #[deny(unreachable_patterns)]
+    match non_enum {
+        NonExhaustiveEnum::Unit => {}
+        NonExhaustiveEnum::Tuple(_) => {}
+        NonExhaustiveEnum::Struct { .. } => {}
+        #[deny(non_exhaustive_omitted_patterns)]
+        _ => {}
+    }
+
+    #[deny(non_exhaustive_omitted_patterns)]
+    match NestedNonExhaustive::B {
+        NestedNonExhaustive::A(NonExhaustiveEnum::Unit) => {}
+        NestedNonExhaustive::A(_) => {}
+        NestedNonExhaustive::B => {}
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+    //~^^^^^ some variants are not matched explicitly
+
+    // The io::ErrorKind has many `unstable` fields how do they interact with this
+    // lint
+    #[deny(non_exhaustive_omitted_patterns)]
+    match std::io::ErrorKind::Other {
+        std::io::ErrorKind::NotFound => {}
+        std::io::ErrorKind::PermissionDenied => {}
+        std::io::ErrorKind::ConnectionRefused => {}
+        std::io::ErrorKind::ConnectionReset => {}
+        std::io::ErrorKind::ConnectionAborted => {}
+        std::io::ErrorKind::NotConnected => {}
+        std::io::ErrorKind::AddrInUse => {}
+        std::io::ErrorKind::AddrNotAvailable => {}
+        std::io::ErrorKind::BrokenPipe => {}
+        std::io::ErrorKind::AlreadyExists => {}
+        std::io::ErrorKind::WouldBlock => {}
+        std::io::ErrorKind::InvalidInput => {}
+        std::io::ErrorKind::InvalidData => {}
+        std::io::ErrorKind::TimedOut => {}
+        std::io::ErrorKind::WriteZero => {}
+        std::io::ErrorKind::Interrupted => {}
+        std::io::ErrorKind::Other => {}
+        std::io::ErrorKind::UnexpectedEof => {}
+        std::io::ErrorKind::Unsupported => {}
+        std::io::ErrorKind::OutOfMemory => {}
+        // All stable variants are above and unstable in `_`
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+
+    #[warn(non_exhaustive_omitted_patterns)]
+    match VariantNonExhaustive::Baz(1, 2) {
+        VariantNonExhaustive::Baz(_, _) => {}
+        VariantNonExhaustive::Bar { x, .. } => {}
+    }
+    //~^^ some fields are not explicitly listed
+
+    #[warn(non_exhaustive_omitted_patterns)]
+    let FunctionalRecord { first_field, second_field, .. } = FunctionalRecord::default();
+    //~^ some fields are not explicitly listed
+
+    // Ok: this is local
+    #[warn(non_exhaustive_omitted_patterns)]
+    let Foo { a, b, .. } = Foo::default();
+
+    #[warn(non_exhaustive_omitted_patterns)]
+    let NestedStruct { bar: NormalStruct { first_field, .. }, .. } = NestedStruct::default();
+    //~^ some fields are not explicitly listed
+    //~^^ some fields are not explicitly listed
+
+    // Ok: because this only has 1 variant
+    #[deny(non_exhaustive_omitted_patterns)]
+    match NonExhaustiveSingleVariant::A(true) {
+        NonExhaustiveSingleVariant::A(true) => {}
+        _ => {}
+    }
+
+    #[deny(non_exhaustive_omitted_patterns)]
+    match NonExhaustiveSingleVariant::A(true) {
+        _ => {}
+    }
+    //~^^ some variants are not matched explicitly
+
+    // Ok: we don't lint on `if let` expressions
+    #[deny(non_exhaustive_omitted_patterns)]
+    if let NonExhaustiveEnum::Tuple(_) = non_enum {}
+}
diff --git a/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.stderr b/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.stderr
new file mode 100644
index 00000000000..aebe2acb6ad
--- /dev/null
+++ b/src/test/ui/rfc-2008-non-exhaustive/reachable-patterns.stderr
@@ -0,0 +1,146 @@
+warning: some fields are not explicitly listed
+  --> $DIR/reachable-patterns.rs:127:9
+   |
+LL |         VariantNonExhaustive::Bar { x, .. } => {}
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `y` not listed
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:124:12
+   |
+LL |     #[warn(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all fields are mentioned explicitly by adding the suggested fields
+   = note: the pattern is of type `VariantNonExhaustive` and the `non_exhaustive_omitted_patterns` attribute was found
+
+warning: some fields are not explicitly listed
+  --> $DIR/reachable-patterns.rs:132:9
+   |
+LL |     let FunctionalRecord { first_field, second_field, .. } = FunctionalRecord::default();
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `third_field` not listed
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:131:12
+   |
+LL |     #[warn(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all fields are mentioned explicitly by adding the suggested fields
+   = note: the pattern is of type `FunctionalRecord` and the `non_exhaustive_omitted_patterns` attribute was found
+
+warning: some fields are not explicitly listed
+  --> $DIR/reachable-patterns.rs:140:29
+   |
+LL |     let NestedStruct { bar: NormalStruct { first_field, .. }, .. } = NestedStruct::default();
+   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `second_field` not listed
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:139:12
+   |
+LL |     #[warn(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all fields are mentioned explicitly by adding the suggested fields
+   = note: the pattern is of type `NormalStruct` and the `non_exhaustive_omitted_patterns` attribute was found
+
+warning: some fields are not explicitly listed
+  --> $DIR/reachable-patterns.rs:140:9
+   |
+LL |     let NestedStruct { bar: NormalStruct { first_field, .. }, .. } = NestedStruct::default();
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `foo` not listed
+   |
+   = help: ensure that all fields are mentioned explicitly by adding the suggested fields
+   = note: the pattern is of type `NestedStruct` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:54:9
+   |
+LL |         _ => {}
+   |         ^ pattern `Struct { .. }` not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:53:16
+   |
+LL |         #[deny(non_exhaustive_omitted_patterns)]
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NonExhaustiveEnum` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:61:9
+   |
+LL |         _ => {}
+   |         ^ pattern `Tuple(_)` not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:60:16
+   |
+LL |         #[deny(non_exhaustive_omitted_patterns)]
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NonExhaustiveEnum` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:71:9
+   |
+LL |         _ => {}
+   |         ^ pattern `Unit` not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:70:16
+   |
+LL |         #[deny(non_exhaustive_omitted_patterns)]
+   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NonExhaustiveEnum` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:88:32
+   |
+LL |         NestedNonExhaustive::A(_) => {}
+   |                                ^ patterns `Tuple(_)` and `Struct { .. }` not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:85:12
+   |
+LL |     #[deny(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NonExhaustiveEnum` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:90:9
+   |
+LL |         _ => {}
+   |         ^ pattern `C` not covered
+   |
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NestedNonExhaustive` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:120:9
+   |
+LL |         _ => {}
+   |         ^ patterns `HostUnreachable`, `NetworkUnreachable`, `NetworkDown` and 18 more not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:97:12
+   |
+LL |     #[deny(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `ErrorKind` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: some variants are not matched explicitly
+  --> $DIR/reachable-patterns.rs:153:9
+   |
+LL |         _ => {}
+   |         ^ pattern `A(_)` not covered
+   |
+note: the lint level is defined here
+  --> $DIR/reachable-patterns.rs:151:12
+   |
+LL |     #[deny(non_exhaustive_omitted_patterns)]
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = help: ensure that all variants are matched explicitly by adding the suggested match arms
+   = note: the matched value is of type `NonExhaustiveSingleVariant` and the `non_exhaustive_omitted_patterns` attribute was found
+
+error: aborting due to 7 previous errors; 4 warnings emitted
+
diff --git a/src/test/ui/rfc-2008-non-exhaustive/struct.stderr b/src/test/ui/rfc-2008-non-exhaustive/struct.stderr
index b0c319f2c7f..272b2ef6ee1 100644
--- a/src/test/ui/rfc-2008-non-exhaustive/struct.stderr
+++ b/src/test/ui/rfc-2008-non-exhaustive/struct.stderr
@@ -16,13 +16,13 @@ error[E0603]: tuple struct constructor `TupleStruct` is private
 LL |     let ts_explicit = structs::TupleStruct(640, 480);
    |                                ^^^^^^^^^^^ private tuple struct constructor
    |
-  ::: $DIR/auxiliary/structs.rs:11:24
+  ::: $DIR/auxiliary/structs.rs:12:24
    |
 LL | pub struct TupleStruct(pub u16, pub u16);
    |                        ---------------- a constructor is private if any of the fields is private
    |
 note: the tuple struct constructor `TupleStruct` is defined here
-  --> $DIR/auxiliary/structs.rs:11:1
+  --> $DIR/auxiliary/structs.rs:12:1
    |
 LL | pub struct TupleStruct(pub u16, pub u16);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -34,7 +34,7 @@ LL |     let us_explicit = structs::UnitStruct;
    |                                ^^^^^^^^^^ private unit struct
    |
 note: the unit struct `UnitStruct` is defined here
-  --> $DIR/auxiliary/structs.rs:8:1
+  --> $DIR/auxiliary/structs.rs:9:1
    |
 LL | pub struct UnitStruct;
    | ^^^^^^^^^^^^^^^^^^^^^^
diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
index 7185376b440..cc24dbd96d2 100644
--- a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
+++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
@@ -16,12 +16,17 @@ impl const PartialEq for S {
 
 // This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const
 // bound.
-// const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
-// FIXME(fee1-dead)^ why should the order matter here?
-const fn equals_self<T: ~const PartialEq + PartialEq>(t: &T) -> bool {
+const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
     *t == *t
 }
 
-pub const EQ: bool = equals_self(&S);
+trait A: PartialEq {}
+impl<T: PartialEq> A for T {}
+
+const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
+    *t == *t
+}
+
+pub const EQ: bool = equals_self(&S) && equals_self2(&S);
 
 fn main() {}
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr
new file mode 100644
index 00000000000..1ac62f0bfec
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr
@@ -0,0 +1,59 @@
+error: `~const` is not allowed here
+  --> $DIR/const-drop-fail.rs:27:35
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   |                                   ^^^^^^^^
+   |
+   = note: only allowed on bounds on traits' associated types and functions, const fns, const impls and its associated functions
+
+error[E0277]: the trait bound `NonTrivialDrop: Drop` is not satisfied
+  --> $DIR/const-drop-fail.rs:45:5
+   |
+LL |     NonTrivialDrop,
+   |     ^^^^^^^^^^^^^^ the trait `Drop` is not implemented for `NonTrivialDrop`
+   |
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:36:19
+   |
+LL | const fn check<T: ~const Drop>(_: T) {}
+   |                   ^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: the trait bound `ConstImplWithDropGlue: Drop` is not satisfied
+  --> $DIR/const-drop-fail.rs:47:5
+   |
+LL |     ConstImplWithDropGlue(NonTrivialDrop),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Drop` is not implemented for `ConstImplWithDropGlue`
+   |
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:36:19
+   |
+LL | const fn check<T: ~const Drop>(_: T) {}
+   |                   ^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: the trait bound `NonTrivialDrop: A` is not satisfied
+  --> $DIR/const-drop-fail.rs:49:5
+   |
+LL |     ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `A` is not implemented for `NonTrivialDrop`
+   |
+note: required by `ConstDropImplWithBounds`
+  --> $DIR/const-drop-fail.rs:27:1
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0277]: the trait bound `NonTrivialDrop: A` is not satisfied
+  --> $DIR/const-drop-fail.rs:49:5
+   |
+LL |     ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `A` is not implemented for `NonTrivialDrop`
+   |
+note: required by a bound in `ConstDropImplWithBounds`
+  --> $DIR/const-drop-fail.rs:27:35
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   |                                   ^^^^^^^^ required by this bound in `ConstDropImplWithBounds`
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs
new file mode 100644
index 00000000000..3d4de088f55
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs
@@ -0,0 +1,54 @@
+// revisions: stock precise
+#![feature(const_trait_impl)]
+#![feature(const_mut_refs)]
+#![feature(const_fn_trait_bound)]
+#![cfg_attr(precise, feature(const_precise_live_drops))]
+
+use std::marker::PhantomData;
+
+struct NonTrivialDrop;
+
+impl Drop for NonTrivialDrop {
+    fn drop(&mut self) {
+        println!("Non trivial drop");
+    }
+}
+
+struct ConstImplWithDropGlue(NonTrivialDrop);
+
+impl const Drop for ConstImplWithDropGlue {
+    fn drop(&mut self) {}
+}
+
+trait A { fn a() { println!("A"); } }
+
+impl A for NonTrivialDrop {}
+
+struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+//~^ ERROR `~const` is not allowed
+
+impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> {
+    fn drop(&mut self) {
+        T::a();
+    }
+}
+
+const fn check<T: ~const Drop>(_: T) {}
+
+macro_rules! check_all {
+    ($($exp:expr),*$(,)?) => {$(
+        const _: () = check($exp);
+    )*};
+}
+
+check_all! {
+    NonTrivialDrop,
+    //~^ ERROR the trait bound
+    ConstImplWithDropGlue(NonTrivialDrop),
+    //~^ ERROR the trait bound
+    ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+    //~^ ERROR the trait bound
+    //~| ERROR the trait bound
+}
+
+fn main() {}
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr
new file mode 100644
index 00000000000..1ac62f0bfec
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr
@@ -0,0 +1,59 @@
+error: `~const` is not allowed here
+  --> $DIR/const-drop-fail.rs:27:35
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   |                                   ^^^^^^^^
+   |
+   = note: only allowed on bounds on traits' associated types and functions, const fns, const impls and its associated functions
+
+error[E0277]: the trait bound `NonTrivialDrop: Drop` is not satisfied
+  --> $DIR/const-drop-fail.rs:45:5
+   |
+LL |     NonTrivialDrop,
+   |     ^^^^^^^^^^^^^^ the trait `Drop` is not implemented for `NonTrivialDrop`
+   |
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:36:19
+   |
+LL | const fn check<T: ~const Drop>(_: T) {}
+   |                   ^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: the trait bound `ConstImplWithDropGlue: Drop` is not satisfied
+  --> $DIR/const-drop-fail.rs:47:5
+   |
+LL |     ConstImplWithDropGlue(NonTrivialDrop),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Drop` is not implemented for `ConstImplWithDropGlue`
+   |
+note: required by a bound in `check`
+  --> $DIR/const-drop-fail.rs:36:19
+   |
+LL | const fn check<T: ~const Drop>(_: T) {}
+   |                   ^^^^^^^^^^^ required by this bound in `check`
+
+error[E0277]: the trait bound `NonTrivialDrop: A` is not satisfied
+  --> $DIR/const-drop-fail.rs:49:5
+   |
+LL |     ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `A` is not implemented for `NonTrivialDrop`
+   |
+note: required by `ConstDropImplWithBounds`
+  --> $DIR/const-drop-fail.rs:27:1
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0277]: the trait bound `NonTrivialDrop: A` is not satisfied
+  --> $DIR/const-drop-fail.rs:49:5
+   |
+LL |     ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData),
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `A` is not implemented for `NonTrivialDrop`
+   |
+note: required by a bound in `ConstDropImplWithBounds`
+  --> $DIR/const-drop-fail.rs:27:35
+   |
+LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>);
+   |                                   ^^^^^^^^ required by this bound in `ConstDropImplWithBounds`
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs b/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs
new file mode 100644
index 00000000000..9a1b554f45f
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs
@@ -0,0 +1,81 @@
+// run-pass
+// revisions: stock precise
+#![feature(const_trait_impl)]
+#![feature(const_fn_trait_bound)]
+#![feature(const_mut_refs)]
+#![feature(const_panic)]
+#![cfg_attr(precise, feature(const_precise_live_drops))]
+
+struct S<'a>(&'a mut u8);
+
+impl<'a> const Drop for S<'a> {
+    fn drop(&mut self) {
+        *self.0 += 1;
+    }
+}
+
+const fn a<T: ~const Drop>(_: T) {}
+
+const fn b() -> u8 {
+    let mut c = 0;
+    let _ = S(&mut c);
+    a(S(&mut c));
+    c
+}
+
+const C: u8 = b();
+
+macro_rules! implements_const_drop {
+    ($($exp:expr),*$(,)?) => {
+        $(
+            const _: () = a($exp);
+        )*
+    }
+}
+
+#[allow(dead_code)]
+mod t {
+    pub struct Foo;
+    pub enum Bar { A }
+    pub fn foo() {}
+    pub struct ConstDrop;
+
+    impl const Drop for ConstDrop {
+        fn drop(&mut self) {}
+    }
+
+    pub struct HasConstDrop(pub ConstDrop);
+    pub struct TrivialFields(pub u8, pub i8, pub usize, pub isize);
+}
+
+use t::*;
+
+implements_const_drop! {
+    1u8,
+    2,
+    3.0,
+    Foo,
+    Bar::A,
+    foo,
+    ConstDrop,
+    HasConstDrop(ConstDrop),
+    TrivialFields(1, 2, 3, 4),
+    &1,
+    &1 as *const i32,
+}
+
+fn main() {
+    struct HasDropGlue(Box<u8>);
+    struct HasDropImpl;
+    impl Drop for HasDropImpl {
+        fn drop(&mut self) {
+            println!("not trivial drop");
+        }
+    }
+
+    // These types should pass because ~const in a non-const context should have no effect.
+    a(HasDropGlue(Box::new(0)));
+    a(HasDropImpl);
+
+    assert_eq!(C, 2);
+}
diff --git a/src/test/ui/rfc-2632-const-trait-impl/inherent-impl-const-bounds.rs b/src/test/ui/rfc-2632-const-trait-impl/inherent-impl-const-bounds.rs
new file mode 100644
index 00000000000..fe1015b3bf7
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/inherent-impl-const-bounds.rs
@@ -0,0 +1,21 @@
+// check-pass
+#![feature(const_trait_impl)]
+#![feature(const_fn_trait_bound)]
+
+struct S;
+
+trait A {}
+trait B {}
+
+impl const A for S {}
+impl const B for S {}
+
+impl S {
+    const fn a<T: ~const A>() where T: ~const B {
+
+    }
+}
+
+const _: () = S::a::<S>();
+
+fn main() {}
diff --git a/src/test/ui/suggestions/object-unsafe-trait-references-self.stderr b/src/test/ui/suggestions/object-unsafe-trait-references-self.stderr
index f332b7213d8..54f19fe9da4 100644
--- a/src/test/ui/suggestions/object-unsafe-trait-references-self.stderr
+++ b/src/test/ui/suggestions/object-unsafe-trait-references-self.stderr
@@ -4,8 +4,6 @@ error[E0038]: the trait `Trait` cannot be made into an object
 LL | fn bar(x: &dyn Trait) {}
    |            ^^^^^^^^^ `Trait` cannot be made into an object
    |
-   = help: consider moving `baz` to another trait
-   = help: consider moving `bat` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/object-unsafe-trait-references-self.rs:2:22
    |
@@ -15,6 +13,8 @@ LL |     fn baz(&self, _: Self) {}
    |                      ^^^^ ...because method `baz` references the `Self` type in this parameter
 LL |     fn bat(&self) -> Self {}
    |                      ^^^^ ...because method `bat` references the `Self` type in its return type
+   = help: consider moving `baz` to another trait
+   = help: consider moving `bat` to another trait
 
 error[E0038]: the trait `Other` cannot be made into an object
   --> $DIR/object-unsafe-trait-references-self.rs:10:12
diff --git a/src/test/ui/traits/item-privacy.stderr b/src/test/ui/traits/item-privacy.stderr
index 2260dcfc70e..ef5d5cdff8f 100644
--- a/src/test/ui/traits/item-privacy.stderr
+++ b/src/test/ui/traits/item-privacy.stderr
@@ -127,9 +127,6 @@ error[E0038]: the trait `assoc_const::C` cannot be made into an object
 LL |     <dyn C>::A;
    |      ^^^^^ `assoc_const::C` cannot be made into an object
    |
-   = help: consider moving `C` to another trait
-   = help: consider moving `B` to another trait
-   = help: consider moving `A` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/item-privacy.rs:25:15
    |
@@ -143,6 +140,9 @@ LL |     pub trait C: A + B {
    |               - this trait cannot be made into an object...
 LL |         const C: u8 = 0;
    |               ^ ...because it contains this associated `const`
+   = help: consider moving `C` to another trait
+   = help: consider moving `A` to another trait
+   = help: consider moving `B` to another trait
 
 error[E0223]: ambiguous associated type
   --> $DIR/item-privacy.rs:115:12
diff --git a/src/test/ui/traits/test-2.stderr b/src/test/ui/traits/test-2.stderr
index 0289424510f..d943b48fd00 100644
--- a/src/test/ui/traits/test-2.stderr
+++ b/src/test/ui/traits/test-2.stderr
@@ -32,8 +32,6 @@ error[E0038]: the trait `bar` cannot be made into an object
 LL |     (box 10 as Box<dyn bar>).dup();
    |                ^^^^^^^^^^^^ `bar` cannot be made into an object
    |
-   = help: consider moving `dup` to another trait
-   = help: consider moving `blah` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/test-2.rs:4:30
    |
@@ -42,6 +40,8 @@ LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
    |       |                      |
    |       |                      ...because method `dup` references the `Self` type in its return type
    |       this trait cannot be made into an object...
+   = help: consider moving `dup` to another trait
+   = help: consider moving `blah` to another trait
 
 error[E0038]: the trait `bar` cannot be made into an object
   --> $DIR/test-2.rs:13:6
@@ -49,8 +49,6 @@ error[E0038]: the trait `bar` cannot be made into an object
 LL |     (box 10 as Box<dyn bar>).dup();
    |      ^^^^^^ `bar` cannot be made into an object
    |
-   = help: consider moving `dup` to another trait
-   = help: consider moving `blah` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/test-2.rs:4:30
    |
@@ -59,6 +57,8 @@ LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
    |       |                      |
    |       |                      ...because method `dup` references the `Self` type in its return type
    |       this trait cannot be made into an object...
+   = help: consider moving `dup` to another trait
+   = help: consider moving `blah` to another trait
    = note: required because of the requirements on the impl of `CoerceUnsized<Box<dyn bar>>` for `Box<{integer}>`
    = note: required by cast to type `Box<dyn bar>`
 
diff --git a/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr b/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
index 2de5f6eb0f0..8a296dc7ee6 100644
--- a/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
+++ b/src/test/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
@@ -16,7 +16,6 @@ error[E0038]: the trait `MyAdd` cannot be made into an object
 LL |     let y = x as dyn MyAdd<i32>;
    |                  ^^^^^^^^^^^^^^ `MyAdd` cannot be made into an object
    |
-   = help: consider moving `add` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:6:55
    |
@@ -24,6 +23,7 @@ LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; }
    |       -----                                           ^^^^ ...because method `add` references the `Self` type in its return type
    |       |
    |       this trait cannot be made into an object...
+   = help: consider moving `add` to another trait
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/typeck/issue-88803-call-expr-method.fixed b/src/test/ui/typeck/issue-88803-call-expr-method.fixed
new file mode 100644
index 00000000000..19b96ecf3fc
--- /dev/null
+++ b/src/test/ui/typeck/issue-88803-call-expr-method.fixed
@@ -0,0 +1,9 @@
+// run-rustfix
+
+fn main() {
+    let a = Some(42);
+    println!(
+        "The value is {}.",
+        a.unwrap() //~ERROR [E0615]
+    );
+}
diff --git a/src/test/ui/typeck/issue-88803-call-expr-method.rs b/src/test/ui/typeck/issue-88803-call-expr-method.rs
new file mode 100644
index 00000000000..a0619946637
--- /dev/null
+++ b/src/test/ui/typeck/issue-88803-call-expr-method.rs
@@ -0,0 +1,9 @@
+// run-rustfix
+
+fn main() {
+    let a = Some(42);
+    println!(
+        "The value is {}.",
+        (a.unwrap)() //~ERROR [E0615]
+    );
+}
diff --git a/src/test/ui/typeck/issue-88803-call-expr-method.stderr b/src/test/ui/typeck/issue-88803-call-expr-method.stderr
new file mode 100644
index 00000000000..dd717ed9416
--- /dev/null
+++ b/src/test/ui/typeck/issue-88803-call-expr-method.stderr
@@ -0,0 +1,15 @@
+error[E0615]: attempted to take value of method `unwrap` on type `Option<{integer}>`
+  --> $DIR/issue-88803-call-expr-method.rs:7:12
+   |
+LL |         (a.unwrap)()
+   |            ^^^^^^ method, not a field
+   |
+help: remove wrapping parentheses to call the method
+   |
+LL -         (a.unwrap)()
+LL +         a.unwrap()
+   | 
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0615`.
diff --git a/src/test/ui/unnamed_fields/restrict_anonymous.rs b/src/test/ui/unnamed_fields/restrict_anonymous.rs
deleted file mode 100644
index 99637d11053..00000000000
--- a/src/test/ui/unnamed_fields/restrict_anonymous.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-#![allow(incomplete_features)]
-#![feature(unnamed_fields)]
-
-fn f() -> struct { field: u8 } {} //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-//~^ ERROR anonymous structs are unimplemented
-
-fn f2(a: struct { field: u8 } ) {} //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-//~^ ERROR anonymous structs are unimplemented
-
-union G {
-    field: struct { field: u8 } //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-}
-//~| ERROR unions may not contain fields that need dropping [E0740]
-
-struct H { _: u8 } // Should error after hir checks
-
-struct I(struct { field: u8 }, u8); //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-//~^ ERROR anonymous structs are unimplemented
-
-enum J {
-    K(struct { field: u8 }), //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-    L {
-        _ : struct { field: u8 } //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-        //~^ ERROR anonymous fields are not allowed outside of structs or unions
-        //~| ERROR anonymous structs are unimplemented
-    },
-    M {
-        _ : u8 //~ ERROR anonymous fields are not allowed outside of structs or unions
-    }
-}
-
-static M: union { field: u8 } = 0; //~ ERROR anonymous unions are not allowed outside of unnamed struct or union fields
-//~^ ERROR anonymous unions are unimplemented
-
-type N = union { field: u8 }; //~ ERROR anonymous unions are not allowed outside of unnamed struct or union fields
-//~^ ERROR anonymous unions are unimplemented
-
-fn main() {
-    const O: struct { field: u8 } = 0; //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-
-    let p: [struct { field: u8 }; 1]; //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-
-    let q: (struct { field: u8 }, u8); //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-
-    let cl = || -> struct { field: u8 } {}; //~ ERROR anonymous structs are not allowed outside of unnamed struct or union fields
-    //~^ ERROR anonymous structs are unimplemented
-}
diff --git a/src/test/ui/unnamed_fields/restrict_anonymous.stderr b/src/test/ui/unnamed_fields/restrict_anonymous.stderr
deleted file mode 100644
index efcf544fde4..00000000000
--- a/src/test/ui/unnamed_fields/restrict_anonymous.stderr
+++ /dev/null
@@ -1,175 +0,0 @@
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:4:11
-   |
-LL | fn f() -> struct { field: u8 } {}
-   |           ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:7:10
-   |
-LL | fn f2(a: struct { field: u8 } ) {}
-   |          ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:11:12
-   |
-LL |     field: struct { field: u8 }
-   |            ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:18:10
-   |
-LL | struct I(struct { field: u8 }, u8);
-   |          ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:22:7
-   |
-LL |     K(struct { field: u8 }),
-   |       ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous fields are not allowed outside of structs or unions
-  --> $DIR/restrict_anonymous.rs:25:9
-   |
-LL |         _ : struct { field: u8 }
-   |         -^^^^^^^^^^^^^^^^^^^^^^^
-   |         |
-   |         anonymous field declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:25:13
-   |
-LL |         _ : struct { field: u8 }
-   |             ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous fields are not allowed outside of structs or unions
-  --> $DIR/restrict_anonymous.rs:30:9
-   |
-LL |         _ : u8
-   |         -^^^^^
-   |         |
-   |         anonymous field declared here
-
-error: anonymous unions are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:34:11
-   |
-LL | static M: union { field: u8 } = 0;
-   |           ^^^^^^^^^^^^^^^^^^^ anonymous union declared here
-
-error: anonymous unions are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:37:10
-   |
-LL | type N = union { field: u8 };
-   |          ^^^^^^^^^^^^^^^^^^^ anonymous union declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:41:14
-   |
-LL |     const O: struct { field: u8 } = 0;
-   |              ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:44:13
-   |
-LL |     let p: [struct { field: u8 }; 1];
-   |             ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:47:13
-   |
-LL |     let q: (struct { field: u8 }, u8);
-   |             ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are not allowed outside of unnamed struct or union fields
-  --> $DIR/restrict_anonymous.rs:50:20
-   |
-LL |     let cl = || -> struct { field: u8 } {};
-   |                    ^^^^^^^^^^^^^^^^^^^^ anonymous struct declared here
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:4:11
-   |
-LL | fn f() -> struct { field: u8 } {}
-   |           ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:7:10
-   |
-LL | fn f2(a: struct { field: u8 } ) {}
-   |          ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:11:12
-   |
-LL |     field: struct { field: u8 }
-   |            ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:18:10
-   |
-LL | struct I(struct { field: u8 }, u8);
-   |          ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:22:7
-   |
-LL |     K(struct { field: u8 }),
-   |       ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:25:13
-   |
-LL |         _ : struct { field: u8 }
-   |             ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous unions are unimplemented
-  --> $DIR/restrict_anonymous.rs:34:11
-   |
-LL | static M: union { field: u8 } = 0;
-   |           ^^^^^^^^^^^^^^^^^^^
-
-error: anonymous unions are unimplemented
-  --> $DIR/restrict_anonymous.rs:37:10
-   |
-LL | type N = union { field: u8 };
-   |          ^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:44:13
-   |
-LL |     let p: [struct { field: u8 }; 1];
-   |             ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:47:13
-   |
-LL |     let q: (struct { field: u8 }, u8);
-   |             ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:50:20
-   |
-LL |     let cl = || -> struct { field: u8 } {};
-   |                    ^^^^^^^^^^^^^^^^^^^^
-
-error: anonymous structs are unimplemented
-  --> $DIR/restrict_anonymous.rs:41:14
-   |
-LL |     const O: struct { field: u8 } = 0;
-   |              ^^^^^^^^^^^^^^^^^^^^
-
-error[E0740]: unions may not contain fields that need dropping
-  --> $DIR/restrict_anonymous.rs:11:5
-   |
-LL |     field: struct { field: u8 }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-note: `std::mem::ManuallyDrop` can be used to wrap the type
-  --> $DIR/restrict_anonymous.rs:11:5
-   |
-LL |     field: struct { field: u8 }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 27 previous errors
-
-For more information about this error, try `rustc --explain E0740`.
diff --git a/src/test/ui/wf/issue-87495.stderr b/src/test/ui/wf/issue-87495.stderr
index 010200b5ded..c924cd87997 100644
--- a/src/test/ui/wf/issue-87495.stderr
+++ b/src/test/ui/wf/issue-87495.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `T` cannot be made into an object
 LL |     const CONST: (bool, dyn T);
    |                         ^^^^^ `T` cannot be made into an object
    |
-   = help: consider moving `CONST` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/issue-87495.rs:4:11
    |
@@ -12,6 +11,7 @@ LL | trait T {
    |       - this trait cannot be made into an object...
 LL |     const CONST: (bool, dyn T);
    |           ^^^^^ ...because it contains this associated `const`
+   = help: consider moving `CONST` to another trait
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/wf/wf-object-safe.stderr b/src/test/ui/wf/wf-object-safe.stderr
index 9b749f88fb8..64969fbe320 100644
--- a/src/test/ui/wf/wf-object-safe.stderr
+++ b/src/test/ui/wf/wf-object-safe.stderr
@@ -4,7 +4,6 @@ error[E0038]: the trait `A` cannot be made into an object
 LL |     let _x: &dyn A;
    |             ^^^^^^ `A` cannot be made into an object
    |
-   = help: consider moving `foo` to another trait
 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   --> $DIR/wf-object-safe.rs:5:23
    |
@@ -12,6 +11,7 @@ LL | trait A {
    |       - this trait cannot be made into an object...
 LL |     fn foo(&self, _x: &Self);
    |                       ^^^^^ ...because method `foo` references the `Self` type in this parameter
+   = help: consider moving `foo` to another trait
 
 error: aborting due to previous error