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-rw-r--r--tests/assembly/aarch64-xray.rs25
-rw-r--r--tests/assembly/x86_64-xray.rs25
-rw-r--r--tests/ui/async-await/async-closures/promote-in-body.rs13
-rw-r--r--tests/ui/async-await/async-fn/edition-2015-not-async-bound.rs1
-rw-r--r--tests/ui/async-await/async-fn/edition-2015.rs1
-rw-r--r--tests/ui/async-await/async-fn/edition-2015.stderr8
-rw-r--r--tests/ui/async-await/await-keyword/2015-edition-error-various-positions.rs1
-rw-r--r--tests/ui/async-await/await-keyword/2015-edition-error-various-positions.stderr22
-rw-r--r--tests/ui/async-await/await-keyword/2015-edition-warning.fixed1
-rw-r--r--tests/ui/async-await/await-keyword/2015-edition-warning.rs1
-rw-r--r--tests/ui/async-await/await-keyword/2015-edition-warning.stderr14
-rw-r--r--tests/ui/async-await/dyn/mut-is-pointer-like.stderr24
-rw-r--r--tests/ui/async-await/dyn/works.stderr24
-rw-r--r--tests/ui/async-await/dyn/wrong-size.stderr24
-rw-r--r--tests/ui/async-await/for-await-2015.rs1
-rw-r--r--tests/ui/async-await/in-trait/dyn-compatibility.stderr4
-rw-r--r--tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2015.stderr6
-rw-r--r--tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2018.stderr6
-rw-r--r--tests/ui/async-await/issue-65634-raw-ident-suggestion.rs1
-rw-r--r--tests/ui/async-await/suggest-switching-edition-on-await-cargo.rs1
-rw-r--r--tests/ui/async-await/suggest-switching-edition-on-await-cargo.stderr8
-rw-r--r--tests/ui/async-await/suggest-switching-edition-on-await.rs1
-rw-r--r--tests/ui/async-await/suggest-switching-edition-on-await.stderr8
-rw-r--r--tests/ui/auxiliary/delegate_macro.rs6
-rw-r--r--tests/ui/cfg/cfg-version/syntax.rs152
-rw-r--r--tests/ui/cfg/cfg-version/syntax.stderr188
-rw-r--r--tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs1
-rw-r--r--tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr16
-rw-r--r--tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs1
-rw-r--r--tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr30
-rw-r--r--tests/ui/dyn-compatibility/associated-consts.rs1
-rw-r--r--tests/ui/dyn-compatibility/associated-consts.stderr19
-rw-r--r--tests/ui/dyn-compatibility/generics.rs2
-rw-r--r--tests/ui/dyn-compatibility/generics.stderr42
-rw-r--r--tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.rs1
-rw-r--r--tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr25
-rw-r--r--tests/ui/dyn-compatibility/mentions-Self.rs2
-rw-r--r--tests/ui/dyn-compatibility/mentions-Self.stderr38
-rw-r--r--tests/ui/dyn-compatibility/no-static.rs1
-rw-r--r--tests/ui/dyn-compatibility/no-static.stderr31
-rw-r--r--tests/ui/dyn-compatibility/sized-2.rs1
-rw-r--r--tests/ui/dyn-compatibility/sized-2.stderr18
-rw-r--r--tests/ui/dyn-compatibility/sized.rs1
-rw-r--r--tests/ui/dyn-compatibility/sized.stderr18
-rw-r--r--tests/ui/dyn-compatibility/taint-const-eval.rs1
-rw-r--r--tests/ui/dyn-compatibility/taint-const-eval.stderr26
-rw-r--r--tests/ui/feature-gates/feature-gate-cfg-version.rs49
-rw-r--r--tests/ui/feature-gates/feature-gate-cfg-version.stderr204
-rw-r--r--tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs1
-rw-r--r--tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr26
-rw-r--r--tests/ui/generic-associated-types/gat-in-trait-path.rs1
-rw-r--r--tests/ui/generic-associated-types/gat-in-trait-path.stderr19
-rw-r--r--tests/ui/generic-associated-types/issue-71176.rs1
-rw-r--r--tests/ui/generic-associated-types/issue-71176.stderr20
-rw-r--r--tests/ui/generic-associated-types/issue-76535.rs1
-rw-r--r--tests/ui/generic-associated-types/issue-76535.stderr25
-rw-r--r--tests/ui/generic-associated-types/issue-78671.stderr4
-rw-r--r--tests/ui/generic-associated-types/issue-79422.rs14
-rw-r--r--tests/ui/generic-associated-types/issue-79422.stderr29
-rw-r--r--tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs2
-rw-r--r--tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr41
-rw-r--r--tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs6
-rw-r--r--tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr28
-rw-r--r--tests/ui/impl-trait/in-trait/dyn-compatibility.rs1
-rw-r--r--tests/ui/impl-trait/in-trait/dyn-compatibility.stderr24
-rw-r--r--tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr4
-rw-r--r--tests/ui/instrument-xray/platform-support.rs27
-rw-r--r--tests/ui/instrument-xray/platform-support.unsupported.stderr (renamed from tests/ui/instrument-xray/target-not-supported.stderr)0
-rw-r--r--tests/ui/instrument-xray/target-not-supported.rs10
-rw-r--r--tests/ui/issues/issue-18959.rs2
-rw-r--r--tests/ui/issues/issue-18959.stderr11
-rw-r--r--tests/ui/issues/issue-19380.rs1
-rw-r--r--tests/ui/issues/issue-19380.stderr27
-rw-r--r--tests/ui/issues/issue-50781.rs1
-rw-r--r--tests/ui/issues/issue-50781.stderr24
-rw-r--r--tests/ui/issues/issue-58734.rs3
-rw-r--r--tests/ui/issues/issue-58734.stderr11
-rw-r--r--tests/ui/kindck/kindck-inherited-copy-bound.rs1
-rw-r--r--tests/ui/kindck/kindck-inherited-copy-bound.stderr22
-rw-r--r--tests/ui/lint/unused/unused-braces-attrs-issue-141549.fixed15
-rw-r--r--tests/ui/lint/unused/unused-braces-attrs-issue-141549.rs15
-rw-r--r--tests/ui/lint/unused/unused-braces-attrs-issue-141549.stderr19
-rw-r--r--tests/ui/lint/wide_pointer_comparisons.stderr150
-rw-r--r--tests/ui/not-enough-arguments.rs52
-rw-r--r--tests/ui/not-enough-arguments.stderr94
-rw-r--r--tests/ui/repeat-expr/copy-check-when-count-inferred-later.rs11
-rw-r--r--tests/ui/repeat-expr/copy-check-when-count-inferred-later.stderr14
-rw-r--r--tests/ui/self/arbitrary-self-types-dyn-incompatible.rs1
-rw-r--r--tests/ui/self/arbitrary-self-types-dyn-incompatible.stderr26
-rw-r--r--tests/ui/statics/unsizing-wfcheck-issue-127299.rs1
-rw-r--r--tests/ui/statics/unsizing-wfcheck-issue-127299.stderr26
-rw-r--r--tests/ui/traits/issue-20692.rs1
-rw-r--r--tests/ui/traits/issue-20692.stderr23
-rw-r--r--tests/ui/traits/issue-38604.rs2
-rw-r--r--tests/ui/traits/issue-38604.stderr23
-rw-r--r--tests/ui/traits/item-privacy.rs4
-rw-r--r--tests/ui/traits/item-privacy.stderr54
-rw-r--r--tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs2
-rw-r--r--tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr39
-rw-r--r--tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs2
-rw-r--r--tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr48
-rw-r--r--tests/ui/traits/object/macro-matcher.stderr16
-rw-r--r--tests/ui/traits/object/safety.rs1
-rw-r--r--tests/ui/traits/object/safety.stderr31
-rw-r--r--tests/ui/traits/test-2.rs1
-rw-r--r--tests/ui/traits/test-2.stderr30
-rw-r--r--tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.rs1
-rw-r--r--tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr21
-rw-r--r--tests/ui/unsafe-binders/cat-projection.rs21
-rw-r--r--tests/ui/unsafe/move-out-of-non-copy.rs15
-rw-r--r--tests/ui/unsafe/move-out-of-non-copy.stderr14
-rw-r--r--tests/ui/wf/wf-dyn-incompatible.stderr4
112 files changed, 1016 insertions, 1242 deletions
diff --git a/tests/assembly/aarch64-xray.rs b/tests/assembly/aarch64-xray.rs
new file mode 100644
index 00000000000..d5ee0111843
--- /dev/null
+++ b/tests/assembly/aarch64-xray.rs
@@ -0,0 +1,25 @@
+//@ assembly-output: emit-asm
+//@ compile-flags: -Zinstrument-xray=always
+
+//@ revisions: aarch64-linux
+//@[aarch64-linux] compile-flags: --target=aarch64-unknown-linux-gnu
+//@[aarch64-linux] needs-llvm-components: aarch64
+//@[aarch64-linux] only-aarch64-unknown-linux-gnu
+
+//@ revisions: aarch64-darwin
+//@[aarch64-darwin] compile-flags: --target=aarch64-apple-darwin
+//@[aarch64-darwin] needs-llvm-components: aarch64
+//@[aarch64-darwin] only-aarch64-apple-darwin
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: xray_func:
+#[no_mangle]
+pub fn xray_func() {
+    // CHECK: nop
+
+    std::hint::black_box(());
+
+    // CHECK: b #32
+    // CHECK-NEXT: nop
+}
diff --git a/tests/assembly/x86_64-xray.rs b/tests/assembly/x86_64-xray.rs
new file mode 100644
index 00000000000..4cf3e8cda13
--- /dev/null
+++ b/tests/assembly/x86_64-xray.rs
@@ -0,0 +1,25 @@
+//@ assembly-output: emit-asm
+//@ compile-flags: -Zinstrument-xray=always -Cllvm-args=-x86-asm-syntax=intel
+
+//@ revisions: x86_64-linux
+//@[x86_64-linux] compile-flags: --target=x86_64-unknown-linux-gnu
+//@[x86_64-linux] needs-llvm-components: x86
+//@[x86_64-linux] only-x86_64-unknown-linux-gnu
+
+//@ revisions: x86_64-darwin
+//@[x86_64-darwin] compile-flags: --target=x86_64-apple-darwin
+//@[x86_64-darwin] needs-llvm-components: x86
+//@[x86_64-darwin] only-x86_64-apple-darwin
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: xray_func:
+#[no_mangle]
+pub fn xray_func() {
+    // CHECK: nop word ptr [rax + rax + 512]
+
+    std::hint::black_box(());
+
+    // CHECK: ret
+    // CHECK-NEXT: nop word ptr cs:[rax + rax + 512]
+}
diff --git a/tests/ui/async-await/async-closures/promote-in-body.rs b/tests/ui/async-await/async-closures/promote-in-body.rs
new file mode 100644
index 00000000000..ea95d680987
--- /dev/null
+++ b/tests/ui/async-await/async-closures/promote-in-body.rs
@@ -0,0 +1,13 @@
+//@ build-pass
+//@ compile-flags: --crate-type=lib
+//@ edition: 2024
+
+union U {
+    f: i32,
+}
+
+fn foo() {
+    async || {
+        &U { f: 1 }
+    };
+}
diff --git a/tests/ui/async-await/async-fn/edition-2015-not-async-bound.rs b/tests/ui/async-await/async-fn/edition-2015-not-async-bound.rs
index d222ddc081e..60a7dff7d49 100644
--- a/tests/ui/async-await/async-fn/edition-2015-not-async-bound.rs
+++ b/tests/ui/async-await/async-fn/edition-2015-not-async-bound.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 //@ check-pass
 // Make sure that we don't eagerly recover `async ::Bound` in edition 2015.
 
diff --git a/tests/ui/async-await/async-fn/edition-2015.rs b/tests/ui/async-await/async-fn/edition-2015.rs
index 341b9b10e67..5a81df3a4e4 100644
--- a/tests/ui/async-await/async-fn/edition-2015.rs
+++ b/tests/ui/async-await/async-fn/edition-2015.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 fn foo(x: impl async Fn()) -> impl async Fn() { x }
 //~^ ERROR `async` trait bounds are only allowed in Rust 2018 or later
 //~| ERROR `async` trait bounds are only allowed in Rust 2018 or later
diff --git a/tests/ui/async-await/async-fn/edition-2015.stderr b/tests/ui/async-await/async-fn/edition-2015.stderr
index ca9e64cd1bb..0bec00c162c 100644
--- a/tests/ui/async-await/async-fn/edition-2015.stderr
+++ b/tests/ui/async-await/async-fn/edition-2015.stderr
@@ -1,5 +1,5 @@
 error: `async` trait bounds are only allowed in Rust 2018 or later
-  --> $DIR/edition-2015.rs:1:16
+  --> $DIR/edition-2015.rs:2:16
    |
 LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    |                ^^^^^
@@ -8,7 +8,7 @@ LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error: `async` trait bounds are only allowed in Rust 2018 or later
-  --> $DIR/edition-2015.rs:1:36
+  --> $DIR/edition-2015.rs:2:36
    |
 LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    |                                    ^^^^^
@@ -17,7 +17,7 @@ LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error[E0658]: `async` trait bounds are unstable
-  --> $DIR/edition-2015.rs:1:16
+  --> $DIR/edition-2015.rs:2:16
    |
 LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    |                ^^^^^
@@ -28,7 +28,7 @@ LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    = help: use the desugared name of the async trait, such as `AsyncFn`
 
 error[E0658]: `async` trait bounds are unstable
-  --> $DIR/edition-2015.rs:1:36
+  --> $DIR/edition-2015.rs:2:36
    |
 LL | fn foo(x: impl async Fn()) -> impl async Fn() { x }
    |                                    ^^^^^
diff --git a/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.rs b/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.rs
index 50c1639996e..714a3328ecf 100644
--- a/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.rs
+++ b/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 #![allow(non_camel_case_types)]
 #![deny(keyword_idents)]
 
diff --git a/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.stderr b/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.stderr
index 8cea73f8651..70900e612f4 100644
--- a/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.stderr
+++ b/tests/ui/async-await/await-keyword/2015-edition-error-various-positions.stderr
@@ -1,5 +1,5 @@
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:5:13
+  --> $DIR/2015-edition-error-various-positions.rs:6:13
    |
 LL |     pub mod await {
    |             ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -7,14 +7,14 @@ LL |     pub mod await {
    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 note: the lint level is defined here
-  --> $DIR/2015-edition-error-various-positions.rs:2:9
+  --> $DIR/2015-edition-error-various-positions.rs:3:9
    |
 LL | #![deny(keyword_idents)]
    |         ^^^^^^^^^^^^^^
    = note: `#[deny(keyword_idents_2018)]` implied by `#[deny(keyword_idents)]`
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:7:20
+  --> $DIR/2015-edition-error-various-positions.rs:8:20
    |
 LL |         pub struct await;
    |                    ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -23,7 +23,7 @@ LL |         pub struct await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:11:16
+  --> $DIR/2015-edition-error-various-positions.rs:12:16
    |
 LL | use outer_mod::await::await;
    |                ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -32,7 +32,7 @@ LL | use outer_mod::await::await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:11:23
+  --> $DIR/2015-edition-error-various-positions.rs:12:23
    |
 LL | use outer_mod::await::await;
    |                       ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -41,7 +41,7 @@ LL | use outer_mod::await::await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:16:14
+  --> $DIR/2015-edition-error-various-positions.rs:17:14
    |
 LL | struct Foo { await: () }
    |              ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -50,7 +50,7 @@ LL | struct Foo { await: () }
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:20:15
+  --> $DIR/2015-edition-error-various-positions.rs:21:15
    |
 LL | impl Foo { fn await() {} }
    |               ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -59,7 +59,7 @@ LL | impl Foo { fn await() {} }
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:24:14
+  --> $DIR/2015-edition-error-various-positions.rs:25:14
    |
 LL | macro_rules! await {
    |              ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -68,7 +68,7 @@ LL | macro_rules! await {
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:31:5
+  --> $DIR/2015-edition-error-various-positions.rs:32:5
    |
 LL |     await!();
    |     ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -77,7 +77,7 @@ LL |     await!();
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:34:11
+  --> $DIR/2015-edition-error-various-positions.rs:35:11
    |
 LL |     match await { await => {} }
    |           ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -86,7 +86,7 @@ LL |     match await { await => {} }
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-error-various-positions.rs:34:19
+  --> $DIR/2015-edition-error-various-positions.rs:35:19
    |
 LL |     match await { await => {} }
    |                   ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
diff --git a/tests/ui/async-await/await-keyword/2015-edition-warning.fixed b/tests/ui/async-await/await-keyword/2015-edition-warning.fixed
index 4cb8017c7ee..45758cb1039 100644
--- a/tests/ui/async-await/await-keyword/2015-edition-warning.fixed
+++ b/tests/ui/async-await/await-keyword/2015-edition-warning.fixed
@@ -1,3 +1,4 @@
+//@ edition:2015
 //@ run-rustfix
 
 #![allow(non_camel_case_types)]
diff --git a/tests/ui/async-await/await-keyword/2015-edition-warning.rs b/tests/ui/async-await/await-keyword/2015-edition-warning.rs
index d591a5af821..ea26abe072b 100644
--- a/tests/ui/async-await/await-keyword/2015-edition-warning.rs
+++ b/tests/ui/async-await/await-keyword/2015-edition-warning.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 //@ run-rustfix
 
 #![allow(non_camel_case_types)]
diff --git a/tests/ui/async-await/await-keyword/2015-edition-warning.stderr b/tests/ui/async-await/await-keyword/2015-edition-warning.stderr
index 70b7fa52a19..9d19a09092b 100644
--- a/tests/ui/async-await/await-keyword/2015-edition-warning.stderr
+++ b/tests/ui/async-await/await-keyword/2015-edition-warning.stderr
@@ -1,5 +1,5 @@
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:7:13
+  --> $DIR/2015-edition-warning.rs:8:13
    |
 LL |     pub mod await {
    |             ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -7,14 +7,14 @@ LL |     pub mod await {
    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 note: the lint level is defined here
-  --> $DIR/2015-edition-warning.rs:4:9
+  --> $DIR/2015-edition-warning.rs:5:9
    |
 LL | #![deny(keyword_idents)]
    |         ^^^^^^^^^^^^^^
    = note: `#[deny(keyword_idents_2018)]` implied by `#[deny(keyword_idents)]`
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:10:20
+  --> $DIR/2015-edition-warning.rs:11:20
    |
 LL |         pub struct await;
    |                    ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -23,7 +23,7 @@ LL |         pub struct await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:15:16
+  --> $DIR/2015-edition-warning.rs:16:16
    |
 LL | use outer_mod::await::await;
    |                ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -32,7 +32,7 @@ LL | use outer_mod::await::await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:15:23
+  --> $DIR/2015-edition-warning.rs:16:23
    |
 LL | use outer_mod::await::await;
    |                       ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -41,7 +41,7 @@ LL | use outer_mod::await::await;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:22:11
+  --> $DIR/2015-edition-warning.rs:23:11
    |
 LL |     match await { await => {} }
    |           ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
@@ -50,7 +50,7 @@ LL |     match await { await => {} }
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `await` is a keyword in the 2018 edition
-  --> $DIR/2015-edition-warning.rs:22:19
+  --> $DIR/2015-edition-warning.rs:23:19
    |
 LL |     match await { await => {} }
    |                   ^^^^^ help: you can use a raw identifier to stay compatible: `r#await`
diff --git a/tests/ui/async-await/dyn/mut-is-pointer-like.stderr b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr
index 07c3fd3527f..6689539ff45 100644
--- a/tests/ui/async-await/dyn/mut-is-pointer-like.stderr
+++ b/tests/ui/async-await/dyn/mut-is-pointer-like.stderr
@@ -8,10 +8,10 @@ LL | #![feature(async_fn_in_dyn_trait)]
    = note: `#[warn(incomplete_features)]` on by default
 
 error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/mut-is-pointer-like.rs:35:16
+  --> $DIR/mut-is-pointer-like.rs:35:29
    |
 LL |         let x: Pin<&mut dyn AsyncTrait<Output = ()>> = f;
-   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
+   |                             ^^^^^^^^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -24,24 +24,6 @@ LL |     async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output;
    |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
    = help: consider moving `async_dispatch` to another trait
 
-error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/mut-is-pointer-like.rs:35:56
-   |
-LL |         let x: Pin<&mut dyn AsyncTrait<Output = ()>> = f;
-   |                                                        ^ `AsyncTrait` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/mut-is-pointer-like.rs:16:14
-   |
-LL | trait AsyncTrait {
-   |       ---------- this trait is not dyn compatible...
-...
-LL |     async fn async_dispatch(self: Pin<&mut Self>) -> Self::Output;
-   |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
-   = help: consider moving `async_dispatch` to another trait
-   = note: required for the cast from `Pin<&mut {async block@$DIR/mut-is-pointer-like.rs:32:32: 32:37}>` to `Pin<&mut dyn AsyncTrait<Output = ()>>`
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 1 previous error; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/async-await/dyn/works.stderr b/tests/ui/async-await/dyn/works.stderr
index 1fe2b28eca8..338479d8b70 100644
--- a/tests/ui/async-await/dyn/works.stderr
+++ b/tests/ui/async-await/dyn/works.stderr
@@ -8,10 +8,10 @@ LL | #![feature(async_fn_in_dyn_trait)]
    = note: `#[warn(incomplete_features)]` on by default
 
 error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/works.rs:27:34
+  --> $DIR/works.rs:27:21
    |
 LL |         let x: &dyn AsyncTrait = &"hello, world!";
-   |                                  ^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
+   |                     ^^^^^^^^^^ `AsyncTrait` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -23,25 +23,7 @@ LL |     async fn async_dispatch(&self);
    |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
    = help: consider moving `async_dispatch` to another trait
    = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead.
-   = note: required for the cast from `&&'static str` to `&dyn AsyncTrait`
 
-error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/works.rs:27:16
-   |
-LL |         let x: &dyn AsyncTrait = &"hello, world!";
-   |                ^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/works.rs:14:14
-   |
-LL | trait AsyncTrait {
-   |       ---------- this trait is not dyn compatible...
-LL |     async fn async_dispatch(&self);
-   |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
-   = help: consider moving `async_dispatch` to another trait
-   = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead.
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 1 previous error; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/async-await/dyn/wrong-size.stderr b/tests/ui/async-await/dyn/wrong-size.stderr
index b4684f4fc17..a465f91f62a 100644
--- a/tests/ui/async-await/dyn/wrong-size.stderr
+++ b/tests/ui/async-await/dyn/wrong-size.stderr
@@ -8,10 +8,10 @@ LL | #![feature(async_fn_in_dyn_trait)]
    = note: `#[warn(incomplete_features)]` on by default
 
 error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/wrong-size.rs:21:30
+  --> $DIR/wrong-size.rs:21:17
    |
 LL |     let x: &dyn AsyncTrait = &"hello, world!";
-   |                              ^^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
+   |                 ^^^^^^^^^^ `AsyncTrait` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -23,25 +23,7 @@ LL |     async fn async_dispatch(&self);
    |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
    = help: consider moving `async_dispatch` to another trait
    = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead.
-   = note: required for the cast from `&&'static str` to `&dyn AsyncTrait`
 
-error[E0038]: the trait `AsyncTrait` is not dyn compatible
-  --> $DIR/wrong-size.rs:21:12
-   |
-LL |     let x: &dyn AsyncTrait = &"hello, world!";
-   |            ^^^^^^^^^^^^^^^ `AsyncTrait` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/wrong-size.rs:9:14
-   |
-LL | trait AsyncTrait {
-   |       ---------- this trait is not dyn compatible...
-LL |     async fn async_dispatch(&self);
-   |              ^^^^^^^^^^^^^^ ...because method `async_dispatch` is `async`
-   = help: consider moving `async_dispatch` to another trait
-   = help: only type `&'static str` implements `AsyncTrait`; consider using it directly instead.
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 1 previous error; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/async-await/for-await-2015.rs b/tests/ui/async-await/for-await-2015.rs
index 89ff256da1d..c2bd39c8446 100644
--- a/tests/ui/async-await/for-await-2015.rs
+++ b/tests/ui/async-await/for-await-2015.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 //@ check-pass
 
 #![feature(async_for_loop)]
diff --git a/tests/ui/async-await/in-trait/dyn-compatibility.stderr b/tests/ui/async-await/in-trait/dyn-compatibility.stderr
index 553bcbf89d5..f0c5dc53478 100644
--- a/tests/ui/async-await/in-trait/dyn-compatibility.stderr
+++ b/tests/ui/async-await/in-trait/dyn-compatibility.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/dyn-compatibility.rs:9:12
+  --> $DIR/dyn-compatibility.rs:9:17
    |
 LL |     let x: &dyn Foo = todo!();
-   |            ^^^^^^^^ `Foo` is not dyn compatible
+   |                 ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
diff --git a/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2015.stderr b/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2015.stderr
index 2bdc1347c81..8ce4d4ea06a 100644
--- a/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2015.stderr
+++ b/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2015.stderr
@@ -1,16 +1,16 @@
 error[E0034]: multiple applicable items in scope
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:24:13
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:25:13
    |
 LL |     r#fn {}.r#struct();
    |             ^^^^^^^^ multiple `r#struct` found
    |
 note: candidate #1 is defined in an impl of the trait `async` for the type `r#fn`
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:7:5
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:8:5
    |
 LL |     fn r#struct(&self) {
    |     ^^^^^^^^^^^^^^^^^^
 note: candidate #2 is defined in an impl of the trait `await` for the type `r#fn`
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:13:5
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:14:5
    |
 LL |     fn r#struct(&self) {
    |     ^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2018.stderr b/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2018.stderr
index ab10ab749fe..d910ef9872c 100644
--- a/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2018.stderr
+++ b/tests/ui/async-await/issue-65634-raw-ident-suggestion.edition2018.stderr
@@ -1,16 +1,16 @@
 error[E0034]: multiple applicable items in scope
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:24:13
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:25:13
    |
 LL |     r#fn {}.r#struct();
    |             ^^^^^^^^ multiple `r#struct` found
    |
 note: candidate #1 is defined in an impl of the trait `r#async` for the type `r#fn`
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:7:5
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:8:5
    |
 LL |     fn r#struct(&self) {
    |     ^^^^^^^^^^^^^^^^^^
 note: candidate #2 is defined in an impl of the trait `r#await` for the type `r#fn`
-  --> $DIR/issue-65634-raw-ident-suggestion.rs:13:5
+  --> $DIR/issue-65634-raw-ident-suggestion.rs:14:5
    |
 LL |     fn r#struct(&self) {
    |     ^^^^^^^^^^^^^^^^^^
diff --git a/tests/ui/async-await/issue-65634-raw-ident-suggestion.rs b/tests/ui/async-await/issue-65634-raw-ident-suggestion.rs
index ef5760f4846..98f5b6dd9f9 100644
--- a/tests/ui/async-await/issue-65634-raw-ident-suggestion.rs
+++ b/tests/ui/async-await/issue-65634-raw-ident-suggestion.rs
@@ -1,4 +1,5 @@
 //@ revisions: edition2015 edition2018
+//@[edition2015]edition:2015
 //@[edition2018]edition:2018
 
 #![allow(non_camel_case_types)]
diff --git a/tests/ui/async-await/suggest-switching-edition-on-await-cargo.rs b/tests/ui/async-await/suggest-switching-edition-on-await-cargo.rs
index bcb5cb94b77..555b0110521 100644
--- a/tests/ui/async-await/suggest-switching-edition-on-await-cargo.rs
+++ b/tests/ui/async-await/suggest-switching-edition-on-await-cargo.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 //@ rustc-env:CARGO_CRATE_NAME=foo
 
 use std::pin::Pin;
diff --git a/tests/ui/async-await/suggest-switching-edition-on-await-cargo.stderr b/tests/ui/async-await/suggest-switching-edition-on-await-cargo.stderr
index 11f5825c232..c5f1793731e 100644
--- a/tests/ui/async-await/suggest-switching-edition-on-await-cargo.stderr
+++ b/tests/ui/async-await/suggest-switching-edition-on-await-cargo.stderr
@@ -1,5 +1,5 @@
 error[E0609]: no field `await` on type `await_on_struct_missing::S`
-  --> $DIR/suggest-switching-edition-on-await-cargo.rs:11:7
+  --> $DIR/suggest-switching-edition-on-await-cargo.rs:12:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -9,7 +9,7 @@ LL |     x.await;
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error[E0609]: no field `await` on type `await_on_struct_similar::S`
-  --> $DIR/suggest-switching-edition-on-await-cargo.rs:24:7
+  --> $DIR/suggest-switching-edition-on-await-cargo.rs:25:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -24,7 +24,7 @@ LL +     x.awai;
    |
 
 error[E0609]: no field `await` on type `Pin<&mut dyn Future<Output = ()>>`
-  --> $DIR/suggest-switching-edition-on-await-cargo.rs:34:7
+  --> $DIR/suggest-switching-edition-on-await-cargo.rs:35:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -34,7 +34,7 @@ LL |     x.await;
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error[E0609]: no field `await` on type `impl Future<Output = ()>`
-  --> $DIR/suggest-switching-edition-on-await-cargo.rs:43:7
+  --> $DIR/suggest-switching-edition-on-await-cargo.rs:44:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
diff --git a/tests/ui/async-await/suggest-switching-edition-on-await.rs b/tests/ui/async-await/suggest-switching-edition-on-await.rs
index 0907a87e02c..6b639fa0b4e 100644
--- a/tests/ui/async-await/suggest-switching-edition-on-await.rs
+++ b/tests/ui/async-await/suggest-switching-edition-on-await.rs
@@ -1,3 +1,4 @@
+//@ edition:2015
 use std::pin::Pin;
 use std::future::Future;
 
diff --git a/tests/ui/async-await/suggest-switching-edition-on-await.stderr b/tests/ui/async-await/suggest-switching-edition-on-await.stderr
index 2ede8d5b7f4..bf03016222e 100644
--- a/tests/ui/async-await/suggest-switching-edition-on-await.stderr
+++ b/tests/ui/async-await/suggest-switching-edition-on-await.stderr
@@ -1,5 +1,5 @@
 error[E0609]: no field `await` on type `await_on_struct_missing::S`
-  --> $DIR/suggest-switching-edition-on-await.rs:9:7
+  --> $DIR/suggest-switching-edition-on-await.rs:10:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -9,7 +9,7 @@ LL |     x.await;
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error[E0609]: no field `await` on type `await_on_struct_similar::S`
-  --> $DIR/suggest-switching-edition-on-await.rs:22:7
+  --> $DIR/suggest-switching-edition-on-await.rs:23:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -24,7 +24,7 @@ LL +     x.awai;
    |
 
 error[E0609]: no field `await` on type `Pin<&mut dyn Future<Output = ()>>`
-  --> $DIR/suggest-switching-edition-on-await.rs:32:7
+  --> $DIR/suggest-switching-edition-on-await.rs:33:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
@@ -34,7 +34,7 @@ LL |     x.await;
    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
 
 error[E0609]: no field `await` on type `impl Future<Output = ()>`
-  --> $DIR/suggest-switching-edition-on-await.rs:41:7
+  --> $DIR/suggest-switching-edition-on-await.rs:42:7
    |
 LL |     x.await;
    |       ^^^^^ unknown field
diff --git a/tests/ui/auxiliary/delegate_macro.rs b/tests/ui/auxiliary/delegate_macro.rs
new file mode 100644
index 00000000000..0d752e12039
--- /dev/null
+++ b/tests/ui/auxiliary/delegate_macro.rs
@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! delegate {
+    ($method:ident) => {
+        <Self>::$method(8)
+    };
+}
diff --git a/tests/ui/cfg/cfg-version/syntax.rs b/tests/ui/cfg/cfg-version/syntax.rs
new file mode 100644
index 00000000000..22aab47e1ec
--- /dev/null
+++ b/tests/ui/cfg/cfg-version/syntax.rs
@@ -0,0 +1,152 @@
+//! Check `#[cfg(version(..))]` parsing.
+
+#![feature(cfg_version)]
+
+// Overall grammar
+// ===============
+//
+// `#[cfg(version(..))]` accepts only the `version(VERSION_STRING_LITERAL)` predicate form, where
+// only a single string literal is permitted.
+
+#[cfg(version(42))]
+//~^ ERROR expected a version literal
+fn not_a_string_literal_simple() {}
+
+#[cfg(version(1.20))]
+//~^ ERROR expected a version literal
+fn not_a_string_literal_semver_like() {}
+
+#[cfg(version(false))]
+//~^ ERROR expected a version literal
+fn not_a_string_literal_other() {}
+
+#[cfg(version("1.43", "1.44", "1.45"))]
+//~^ ERROR expected single version literal
+fn multiple_version_literals() {}
+
+// The key-value form `cfg(version = "..")` is not considered a valid `cfg(version(..))` usage, but
+// it will only trigger the `unexpected_cfgs` lint and not a hard error.
+
+#[cfg(version = "1.43")]
+//~^ WARN unexpected `cfg` condition name: `version`
+fn key_value_form() {}
+
+// Additional version string literal constraints
+// =============================================
+//
+// The `VERSION_STRING_LITERAL` ("version literal") has additional constraints on its syntactical
+// well-formedness.
+
+// 1. A valid version literal can only constitute of numbers and periods (a "simple" semver version
+// string). Non-semver strings or "complex" semver strings (such as build metadata) are not
+// considered valid version literals, and will emit a non-lint warning "unknown version literal
+// format".
+
+#[cfg(version("1.43.0"))]
+fn valid_major_minor_patch() {}
+
+#[cfg(version("0.0.0"))]
+fn valid_zero_zero_zero_major_minor_patch() {}
+
+#[cfg(version("foo"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn not_numbers_or_periods() {}
+
+#[cfg(version("1.20.0-stable"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn complex_semver_with_metadata() {}
+
+// 2. "Shortened" version strings are permitted but *only* for the omission of the patch number.
+
+#[cfg(version("1.0"))]
+fn valid_major_minor_1() {}
+
+#[cfg(version("1.43"))]
+fn valid_major_minor_2() {}
+
+#[cfg(not(version("1.44")))]
+fn valid_major_minor_negated_smoke_test() {}
+
+#[cfg(version("0.0"))]
+fn valid_zero_zero_major_minor() {}
+
+#[cfg(version("0.7"))]
+fn valid_zero_major_minor() {}
+
+// 3. Major-only, or other non-Semver-like strings are not permitted.
+
+#[cfg(version("1"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn invalid_major_only() {}
+
+#[cfg(version("0"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn invalid_major_only_zero() {}
+
+#[cfg(version(".7"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn invalid_decimal_like() {}
+
+// Misc parsing overflow/underflow edge cases
+// ==========================================
+//
+// Check that we report "unknown version literal format" user-facing warnings and not ICEs.
+
+#[cfg(version("-1"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn invalid_major_only_negative() {}
+
+// Implementation detail: we store rustc version as `{ major: u16, minor: u16, patch: u16 }`.
+
+#[cfg(version("65536"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn exceed_u16_major() {}
+
+#[cfg(version("1.65536.0"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn exceed_u16_minor() {}
+
+#[cfg(version("1.0.65536"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn exceed_u16_patch() {}
+
+#[cfg(version("65536.0.65536"))]
+//~^ WARN unknown version literal format, assuming it refers to a future version
+fn exceed_u16_mixed() {}
+
+// Usage as `cfg!()`
+// =================
+
+fn cfg_usage() {
+    assert!(cfg!(version("1.0")));
+    assert!(cfg!(version("1.43")));
+    assert!(cfg!(version("1.43.0")));
+
+    assert!(cfg!(version("foo")));
+    //~^ WARN unknown version literal format, assuming it refers to a future version
+    assert!(cfg!(version("1.20.0-stable")));
+    //~^ WARN unknown version literal format, assuming it refers to a future version
+
+    assert!(cfg!(version = "1.43"));
+    //~^ WARN unexpected `cfg` condition name: `version`
+}
+
+fn main() {
+    cfg_usage();
+
+    // `cfg(version = "..")` is not a valid `cfg_version` form, but it only triggers
+    // `unexpected_cfgs` lint, and `cfg(version = "..")` eval to `false`.
+    key_value_form(); //~ ERROR cannot find function
+
+    // Invalid version literal formats within valid `cfg(version(..))` form should also cause
+    // `cfg(version(..))` eval to `false`.
+    not_numbers_or_periods(); //~ ERROR cannot find function
+    complex_semver_with_metadata(); //~ ERROR cannot find function
+    invalid_major_only(); //~ ERROR cannot find function
+    invalid_major_only_zero(); //~ ERROR cannot find function
+    invalid_major_only_negative(); //~ ERROR cannot find function
+    exceed_u16_major(); //~ ERROR cannot find function
+    exceed_u16_minor(); //~ ERROR cannot find function
+    exceed_u16_patch(); //~ ERROR cannot find function
+    exceed_u16_mixed(); //~ ERROR cannot find function
+}
diff --git a/tests/ui/cfg/cfg-version/syntax.stderr b/tests/ui/cfg/cfg-version/syntax.stderr
new file mode 100644
index 00000000000..2facd960763
--- /dev/null
+++ b/tests/ui/cfg/cfg-version/syntax.stderr
@@ -0,0 +1,188 @@
+error: expected a version literal
+  --> $DIR/syntax.rs:11:15
+   |
+LL | #[cfg(version(42))]
+   |               ^^
+
+error: expected a version literal
+  --> $DIR/syntax.rs:15:15
+   |
+LL | #[cfg(version(1.20))]
+   |               ^^^^
+
+error: expected a version literal
+  --> $DIR/syntax.rs:19:15
+   |
+LL | #[cfg(version(false))]
+   |               ^^^^^
+
+error: expected single version literal
+  --> $DIR/syntax.rs:23:7
+   |
+LL | #[cfg(version("1.43", "1.44", "1.45"))]
+   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:51:15
+   |
+LL | #[cfg(version("foo"))]
+   |               ^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:55:15
+   |
+LL | #[cfg(version("1.20.0-stable"))]
+   |               ^^^^^^^^^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:78:15
+   |
+LL | #[cfg(version("1"))]
+   |               ^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:82:15
+   |
+LL | #[cfg(version("0"))]
+   |               ^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:86:15
+   |
+LL | #[cfg(version(".7"))]
+   |               ^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:95:15
+   |
+LL | #[cfg(version("-1"))]
+   |               ^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:101:15
+   |
+LL | #[cfg(version("65536"))]
+   |               ^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:105:15
+   |
+LL | #[cfg(version("1.65536.0"))]
+   |               ^^^^^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:109:15
+   |
+LL | #[cfg(version("1.0.65536"))]
+   |               ^^^^^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:113:15
+   |
+LL | #[cfg(version("65536.0.65536"))]
+   |               ^^^^^^^^^^^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:125:26
+   |
+LL |     assert!(cfg!(version("foo")));
+   |                          ^^^^^
+
+warning: unknown version literal format, assuming it refers to a future version
+  --> $DIR/syntax.rs:127:26
+   |
+LL |     assert!(cfg!(version("1.20.0-stable")));
+   |                          ^^^^^^^^^^^^^^^
+
+warning: unexpected `cfg` condition name: `version`
+  --> $DIR/syntax.rs:30:7
+   |
+LL | #[cfg(version = "1.43")]
+   |       ^^^^^^^^^^^^^^^^
+   |
+   = help: to expect this configuration use `--check-cfg=cfg(version, values("1.43"))`
+   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
+   = note: `#[warn(unexpected_cfgs)]` on by default
+help: there is a similar config predicate: `version("..")`
+   |
+LL - #[cfg(version = "1.43")]
+LL + #[cfg(version("1.43"))]
+   |
+
+warning: unexpected `cfg` condition name: `version`
+  --> $DIR/syntax.rs:130:18
+   |
+LL |     assert!(cfg!(version = "1.43"));
+   |                  ^^^^^^^^^^^^^^^^
+   |
+   = help: to expect this configuration use `--check-cfg=cfg(version, values("1.43"))`
+   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
+help: there is a similar config predicate: `version("..")`
+   |
+LL -     assert!(cfg!(version = "1.43"));
+LL +     assert!(cfg!(version("1.43")));
+   |
+
+error[E0425]: cannot find function `key_value_form` in this scope
+  --> $DIR/syntax.rs:139:5
+   |
+LL |     key_value_form();
+   |     ^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `not_numbers_or_periods` in this scope
+  --> $DIR/syntax.rs:143:5
+   |
+LL |     not_numbers_or_periods();
+   |     ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `complex_semver_with_metadata` in this scope
+  --> $DIR/syntax.rs:144:5
+   |
+LL |     complex_semver_with_metadata();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `invalid_major_only` in this scope
+  --> $DIR/syntax.rs:145:5
+   |
+LL |     invalid_major_only();
+   |     ^^^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `invalid_major_only_zero` in this scope
+  --> $DIR/syntax.rs:146:5
+   |
+LL |     invalid_major_only_zero();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `invalid_major_only_negative` in this scope
+  --> $DIR/syntax.rs:147:5
+   |
+LL |     invalid_major_only_negative();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `exceed_u16_major` in this scope
+  --> $DIR/syntax.rs:148:5
+   |
+LL |     exceed_u16_major();
+   |     ^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `exceed_u16_minor` in this scope
+  --> $DIR/syntax.rs:149:5
+   |
+LL |     exceed_u16_minor();
+   |     ^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `exceed_u16_patch` in this scope
+  --> $DIR/syntax.rs:150:5
+   |
+LL |     exceed_u16_patch();
+   |     ^^^^^^^^^^^^^^^^ not found in this scope
+
+error[E0425]: cannot find function `exceed_u16_mixed` in this scope
+  --> $DIR/syntax.rs:151:5
+   |
+LL |     exceed_u16_mixed();
+   |     ^^^^^^^^^^^^^^^^ not found in this scope
+
+error: aborting due to 14 previous errors; 14 warnings emitted
+
+For more information about this error, try `rustc --explain E0425`.
diff --git a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs
index 9cd32ffeb6d..b7470864a30 100644
--- a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs
+++ b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.rs
@@ -4,4 +4,5 @@ fn main() {
     let _: &Copy + 'static; //~ ERROR expected a path
     //~^ ERROR is not dyn compatible
     let _: &'static Copy + 'static; //~ ERROR expected a path
+    //~^ ERROR is not dyn compatible
 }
diff --git a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr
index 762b37b9e9d..57dbc79a0fd 100644
--- a/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr
+++ b/tests/ui/did_you_mean/trait-object-reference-without-parens-suggestion.stderr
@@ -21,16 +21,26 @@ LL |     let _: &'static (Copy + 'static);
    |                     +              +
 
 error[E0038]: the trait `Copy` is not dyn compatible
-  --> $DIR/trait-object-reference-without-parens-suggestion.rs:4:12
+  --> $DIR/trait-object-reference-without-parens-suggestion.rs:4:13
    |
 LL |     let _: &Copy + 'static;
-   |            ^^^^^ `Copy` is not dyn compatible
+   |             ^^^^ `Copy` is not dyn compatible
+   |
+   = note: the trait is not dyn compatible because it requires `Self: Sized`
+   = note: for a trait to be dyn compatible it needs to allow building a vtable
+           for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
+
+error[E0038]: the trait `Copy` is not dyn compatible
+  --> $DIR/trait-object-reference-without-parens-suggestion.rs:6:21
+   |
+LL |     let _: &'static Copy + 'static;
+   |                     ^^^^ `Copy` is not dyn compatible
    |
    = note: the trait is not dyn compatible because it requires `Self: Sized`
    = note: for a trait to be dyn compatible it needs to allow building a vtable
            for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
 
-error: aborting due to 3 previous errors
+error: aborting due to 4 previous errors
 
 Some errors have detailed explanations: E0038, E0178.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs
index 1b1b8bcf03d..d73b67dc080 100644
--- a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs
+++ b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.rs
@@ -6,7 +6,6 @@ use std::marker::PhantomData;
 fn transmute<T, U>(t: T) -> U {
     (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t)
     //~^ ERROR the trait `Foo` is not dyn compatible
-    //~| ERROR the trait `Foo` is not dyn compatible
 }
 
 struct ActuallySuper;
diff --git a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr
index a384697ee08..acd6dbe7b2c 100644
--- a/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr
+++ b/tests/ui/dyn-compatibility/almost-supertrait-associated-type.stderr
@@ -1,12 +1,12 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/almost-supertrait-associated-type.rs:21:20
+  --> $DIR/almost-supertrait-associated-type.rs:20:20
    |
 LL | impl<T, U> Dyn for dyn Foo<T, U> + '_ {
    |                    ^^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/almost-supertrait-associated-type.rs:33:34
+  --> $DIR/almost-supertrait-associated-type.rs:32:34
    |
 LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T>
    |       --- this trait is not dyn compatible...
@@ -16,14 +16,14 @@ LL |     fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc;
    = help: consider moving `transmute` to another trait
 
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/almost-supertrait-associated-type.rs:7:27
+  --> $DIR/almost-supertrait-associated-type.rs:7:32
    |
 LL |     (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t)
-   |                           ^^^^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                                ^^^^^^^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/almost-supertrait-associated-type.rs:33:34
+  --> $DIR/almost-supertrait-associated-type.rs:32:34
    |
 LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T>
    |       --- this trait is not dyn compatible...
@@ -32,24 +32,6 @@ LL |     fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc;
    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because method `transmute` references the `Self` type in its return type
    = help: consider moving `transmute` to another trait
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/almost-supertrait-associated-type.rs:7:6
-   |
-LL |     (&PhantomData::<T> as &dyn Foo<T, U>).transmute(t)
-   |      ^^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/almost-supertrait-associated-type.rs:33:34
-   |
-LL | trait Foo<T, U>: Super<ActuallySuper, Assoc = T>
-   |       --- this trait is not dyn compatible...
-...
-LL |     fn transmute(&self, t: T) -> <Self as Super<NotActuallySuper>>::Assoc;
-   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because method `transmute` references the `Self` type in its return type
-   = help: consider moving `transmute` to another trait
-   = note: required for the cast from `&PhantomData<T>` to `&dyn Foo<T, U>`
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/associated-consts.rs b/tests/ui/dyn-compatibility/associated-consts.rs
index 10d151d9a8b..69fff81b281 100644
--- a/tests/ui/dyn-compatibility/associated-consts.rs
+++ b/tests/ui/dyn-compatibility/associated-consts.rs
@@ -8,7 +8,6 @@ trait Bar {
 fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn main() {
diff --git a/tests/ui/dyn-compatibility/associated-consts.stderr b/tests/ui/dyn-compatibility/associated-consts.stderr
index beaf263af07..dc64c93a577 100644
--- a/tests/ui/dyn-compatibility/associated-consts.stderr
+++ b/tests/ui/dyn-compatibility/associated-consts.stderr
@@ -14,23 +14,6 @@ LL |     const X: usize;
    |           ^ ...because it contains this associated `const`
    = help: consider moving `X` to another trait
 
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/associated-consts.rs:10:5
-   |
-LL |     t
-   |     ^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/associated-consts.rs:5:11
-   |
-LL | trait Bar {
-   |       --- this trait is not dyn compatible...
-LL |     const X: usize;
-   |           ^ ...because it contains this associated `const`
-   = help: consider moving `X` to another trait
-   = note: required for the cast from `&T` to `&dyn Bar`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/generics.rs b/tests/ui/dyn-compatibility/generics.rs
index dcce17f925b..c25bdab361b 100644
--- a/tests/ui/dyn-compatibility/generics.rs
+++ b/tests/ui/dyn-compatibility/generics.rs
@@ -15,14 +15,12 @@ trait Quux {
 fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t as &dyn Bar
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
 
 fn make_quux<T:Quux>(t: &T) -> &dyn Quux {
diff --git a/tests/ui/dyn-compatibility/generics.stderr b/tests/ui/dyn-compatibility/generics.stderr
index c0193010541..79dccc42244 100644
--- a/tests/ui/dyn-compatibility/generics.stderr
+++ b/tests/ui/dyn-compatibility/generics.stderr
@@ -15,7 +15,7 @@ LL |     fn bar<T>(&self, t: T);
    = help: consider moving `bar` to another trait
 
 error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/generics.rs:21:40
+  --> $DIR/generics.rs:20:40
    |
 LL | fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar {
    |                                        ^^^^^^^ `Bar` is not dyn compatible
@@ -31,43 +31,10 @@ LL |     fn bar<T>(&self, t: T);
    = help: consider moving `bar` to another trait
 
 error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/generics.rs:17:5
-   |
-LL |     t
-   |     ^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/generics.rs:7:8
-   |
-LL | trait Bar {
-   |       --- this trait is not dyn compatible...
-LL |     fn bar<T>(&self, t: T);
-   |        ^^^ ...because method `bar` has generic type parameters
-   = help: consider moving `bar` to another trait
-   = note: required for the cast from `&T` to `&dyn Bar`
-
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/generics.rs:23:10
-   |
-LL |     t as &dyn Bar
-   |          ^^^^^^^^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/generics.rs:7:8
-   |
-LL | trait Bar {
-   |       --- this trait is not dyn compatible...
-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` is not dyn compatible
-  --> $DIR/generics.rs:23:5
+  --> $DIR/generics.rs:22:15
    |
 LL |     t as &dyn Bar
-   |     ^ `Bar` is not dyn compatible
+   |               ^^^ `Bar` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -78,8 +45,7 @@ LL | trait Bar {
 LL |     fn bar<T>(&self, t: T);
    |        ^^^ ...because method `bar` has generic type parameters
    = help: consider moving `bar` to another trait
-   = note: required for the cast from `&T` to `&dyn Bar`
 
-error: aborting due to 5 previous errors
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.rs b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.rs
index 1289d2d7874..d8b1bc5b717 100644
--- a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.rs
+++ b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.rs
@@ -18,5 +18,4 @@ fn main() {
     let mut thing = Thing;
     let test: &mut dyn Bar = &mut thing;
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
diff --git a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr
index c1e93ccb83c..dd7b31a70c5 100644
--- a/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr
+++ b/tests/ui/dyn-compatibility/mention-correct-dyn-incompatible-trait.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/mention-correct-dyn-incompatible-trait.rs:19:30
+  --> $DIR/mention-correct-dyn-incompatible-trait.rs:19:24
    |
 LL |     let test: &mut dyn Bar = &mut thing;
-   |                              ^^^^^^^^^^ `Bar` is not dyn compatible
+   |                        ^^^ `Bar` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -15,26 +15,7 @@ LL | trait Bar: Foo { }
    |       --- this trait is not dyn compatible...
    = help: consider moving `foo` to another trait
    = help: only type `Thing` implements `Bar`; consider using it directly instead.
-   = note: required for the cast from `&mut Thing` to `&mut dyn Bar`
 
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/mention-correct-dyn-incompatible-trait.rs:19:15
-   |
-LL |     let test: &mut dyn Bar = &mut thing;
-   |               ^^^^^^^^^^^^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/mention-correct-dyn-incompatible-trait.rs:4:8
-   |
-LL |     fn foo<T>(&self, val: T);
-   |        ^^^ ...because method `foo` has generic type parameters
-...
-LL | trait Bar: Foo { }
-   |       --- this trait is not dyn compatible...
-   = help: consider moving `foo` to another trait
-   = help: only type `Thing` implements `Bar`; consider using it directly instead.
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/mentions-Self.rs b/tests/ui/dyn-compatibility/mentions-Self.rs
index ce210f4776f..8b0d5ec6604 100644
--- a/tests/ui/dyn-compatibility/mentions-Self.rs
+++ b/tests/ui/dyn-compatibility/mentions-Self.rs
@@ -18,13 +18,11 @@ trait Quux {
 fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn make_quux<T:Quux>(t: &T) -> &dyn Quux {
diff --git a/tests/ui/dyn-compatibility/mentions-Self.stderr b/tests/ui/dyn-compatibility/mentions-Self.stderr
index 6d1ae90152e..9d41e1d92dd 100644
--- a/tests/ui/dyn-compatibility/mentions-Self.stderr
+++ b/tests/ui/dyn-compatibility/mentions-Self.stderr
@@ -15,7 +15,7 @@ LL |     fn bar(&self, x: &Self);
    = help: consider moving `bar` to another trait
 
 error[E0038]: the trait `Baz` is not dyn compatible
-  --> $DIR/mentions-Self.rs:24:31
+  --> $DIR/mentions-Self.rs:23:31
    |
 LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
    |                               ^^^^^^^ `Baz` is not dyn compatible
@@ -30,40 +30,6 @@ LL |     fn baz(&self) -> Self;
    |                      ^^^^ ...because method `baz` references the `Self` type in its return type
    = help: consider moving `baz` to another trait
 
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/mentions-Self.rs:20:5
-   |
-LL |     t
-   |     ^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/mentions-Self.rs:7:22
-   |
-LL | trait Bar {
-   |       --- this trait is not dyn compatible...
-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 for the cast from `&T` to `&dyn Bar`
-
-error[E0038]: the trait `Baz` is not dyn compatible
-  --> $DIR/mentions-Self.rs:26:5
-   |
-LL |     t
-   |     ^ `Baz` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/mentions-Self.rs:11:22
-   |
-LL | trait Baz {
-   |       --- this trait is not dyn compatible...
-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 for the cast from `&T` to `&dyn Baz`
-
-error: aborting due to 4 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/no-static.rs b/tests/ui/dyn-compatibility/no-static.rs
index 9bd87161972..2d5954afffd 100644
--- a/tests/ui/dyn-compatibility/no-static.rs
+++ b/tests/ui/dyn-compatibility/no-static.rs
@@ -17,5 +17,4 @@ impl Foo for Bar {}
 fn main() {
     let b: Box<dyn Foo> = Box::new(Bar);
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
diff --git a/tests/ui/dyn-compatibility/no-static.stderr b/tests/ui/dyn-compatibility/no-static.stderr
index 814ab0d53c3..c1d5dd6f562 100644
--- a/tests/ui/dyn-compatibility/no-static.stderr
+++ b/tests/ui/dyn-compatibility/no-static.stderr
@@ -23,10 +23,10 @@ LL |     fn foo() where Self: Sized {}
    |              +++++++++++++++++
 
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/no-static.rs:18:12
+  --> $DIR/no-static.rs:18:20
    |
 LL |     let b: Box<dyn Foo> = Box::new(Bar);
-   |            ^^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                    ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -46,31 +46,6 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o
 LL |     fn foo() where Self: Sized {}
    |              +++++++++++++++++
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/no-static.rs:18:27
-   |
-LL |     let b: Box<dyn Foo> = Box::new(Bar);
-   |                           ^^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/no-static.rs:5:8
-   |
-LL | trait Foo {
-   |       --- this trait is not dyn compatible...
-LL |     fn foo() {}
-   |        ^^^ ...because associated function `foo` has no `self` parameter
-   = help: only type `Bar` implements `Foo`; consider using it directly instead.
-   = note: required for the cast from `Box<Bar>` to `Box<dyn Foo>`
-help: consider turning `foo` into a method by giving it a `&self` argument
-   |
-LL |     fn foo(&self) {}
-   |            +++++
-help: alternatively, consider constraining `foo` so it does not apply to trait objects
-   |
-LL |     fn foo() where Self: Sized {}
-   |              +++++++++++++++++
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/sized-2.rs b/tests/ui/dyn-compatibility/sized-2.rs
index f61d49ee8df..c99dcce46b2 100644
--- a/tests/ui/dyn-compatibility/sized-2.rs
+++ b/tests/ui/dyn-compatibility/sized-2.rs
@@ -10,7 +10,6 @@ trait Bar
 fn make_bar<T:Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn main() {
diff --git a/tests/ui/dyn-compatibility/sized-2.stderr b/tests/ui/dyn-compatibility/sized-2.stderr
index 1834d906bb8..70bd5f6dd36 100644
--- a/tests/ui/dyn-compatibility/sized-2.stderr
+++ b/tests/ui/dyn-compatibility/sized-2.stderr
@@ -13,22 +13,6 @@ LL | trait Bar
 LL |     where Self : Sized
    |                  ^^^^^ ...because it requires `Self: Sized`
 
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/sized-2.rs:12:5
-   |
-LL |     t
-   |     ^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/sized-2.rs:5:18
-   |
-LL | trait Bar
-   |       --- this trait is not dyn compatible...
-LL |     where Self : Sized
-   |                  ^^^^^ ...because it requires `Self: Sized`
-   = note: required for the cast from `&T` to `&dyn Bar`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/sized.rs b/tests/ui/dyn-compatibility/sized.rs
index eb5279c17e6..b5a8a4be766 100644
--- a/tests/ui/dyn-compatibility/sized.rs
+++ b/tests/ui/dyn-compatibility/sized.rs
@@ -8,7 +8,6 @@ trait Bar: Sized {
 fn make_bar<T: Bar>(t: &T) -> &dyn Bar {
     //~^ ERROR E0038
     t
-    //~^ ERROR E0038
 }
 
 fn main() {}
diff --git a/tests/ui/dyn-compatibility/sized.stderr b/tests/ui/dyn-compatibility/sized.stderr
index c66e299cf6f..0cc41179d9a 100644
--- a/tests/ui/dyn-compatibility/sized.stderr
+++ b/tests/ui/dyn-compatibility/sized.stderr
@@ -13,22 +13,6 @@ LL | trait Bar: Sized {
    |       |
    |       this trait is not dyn compatible...
 
-error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/sized.rs:10:5
-   |
-LL |     t
-   |     ^ `Bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/sized.rs:4:12
-   |
-LL | trait Bar: Sized {
-   |       ---  ^^^^^ ...because it requires `Self: Sized`
-   |       |
-   |       this trait is not dyn compatible...
-   = note: required for the cast from `&T` to `&dyn Bar`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/dyn-compatibility/taint-const-eval.rs b/tests/ui/dyn-compatibility/taint-const-eval.rs
index 64c4df611e6..a5c01e1791e 100644
--- a/tests/ui/dyn-compatibility/taint-const-eval.rs
+++ b/tests/ui/dyn-compatibility/taint-const-eval.rs
@@ -7,6 +7,5 @@ trait Qux {
 static FOO: &(dyn Qux + Sync) = "desc";
 //~^ ERROR the trait `Qux` is not dyn compatible
 //~| ERROR the trait `Qux` is not dyn compatible
-//~| ERROR the trait `Qux` is not dyn compatible
 
 fn main() {}
diff --git a/tests/ui/dyn-compatibility/taint-const-eval.stderr b/tests/ui/dyn-compatibility/taint-const-eval.stderr
index 942c20db6ce..585c1f012c7 100644
--- a/tests/ui/dyn-compatibility/taint-const-eval.stderr
+++ b/tests/ui/dyn-compatibility/taint-const-eval.stderr
@@ -22,30 +22,6 @@ LL |     fn bar() where Self: Sized;
    |              +++++++++++++++++
 
 error[E0038]: the trait `Qux` is not dyn compatible
-  --> $DIR/taint-const-eval.rs:7:33
-   |
-LL | static FOO: &(dyn Qux + Sync) = "desc";
-   |                                 ^^^^^^ `Qux` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/taint-const-eval.rs:4:8
-   |
-LL | trait Qux {
-   |       --- this trait is not dyn compatible...
-LL |     fn bar();
-   |        ^^^ ...because associated function `bar` has no `self` parameter
-   = note: required for the cast from `&'static str` to `&'static (dyn Qux + Sync + 'static)`
-help: consider turning `bar` into a method by giving it a `&self` argument
-   |
-LL |     fn bar(&self);
-   |            +++++
-help: alternatively, consider constraining `bar` so it does not apply to trait objects
-   |
-LL |     fn bar() where Self: Sized;
-   |              +++++++++++++++++
-
-error[E0038]: the trait `Qux` is not dyn compatible
   --> $DIR/taint-const-eval.rs:7:15
    |
 LL | static FOO: &(dyn Qux + Sync) = "desc";
@@ -69,6 +45,6 @@ help: alternatively, consider constraining `bar` so it does not apply to trait o
 LL |     fn bar() where Self: Sized;
    |              +++++++++++++++++
 
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/feature-gates/feature-gate-cfg-version.rs b/tests/ui/feature-gates/feature-gate-cfg-version.rs
index e35784a68d1..ec2446cc146 100644
--- a/tests/ui/feature-gates/feature-gate-cfg-version.rs
+++ b/tests/ui/feature-gates/feature-gate-cfg-version.rs
@@ -1,49 +1,12 @@
-#[cfg(version(42))] //~ ERROR: expected a version literal
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn foo() {}
-#[cfg(version(1.20))] //~ ERROR: expected a version literal
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn foo() -> bool { true }
-#[cfg(version("1.44"))]
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn foo() -> bool { true }
-#[cfg(not(version("1.44")))]
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn foo() -> bool { false }
+//! Feature gate test for `cfg_version`.
+//!
+//! Tracking issue: #64796.
 
-#[cfg(version("1.43", "1.44", "1.45"))] //~ ERROR: expected single version literal
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version(false))] //~ ERROR: expected a version literal
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("foo"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("999"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("-1"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("65536"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("0"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool { true }
-#[cfg(version("1.0"))]
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool { true }
-#[cfg(version("1.65536.2"))] //~ WARNING: unknown version literal format
-//~^ ERROR `cfg(version)` is experimental and subject to change
-fn bar() -> bool  { false }
-#[cfg(version("1.20.0-stable"))] //~ WARNING: unknown version literal format
+#[cfg(version("1.42"))]
 //~^ ERROR `cfg(version)` is experimental and subject to change
 fn bar() {}
 
 fn main() {
-    assert!(foo());
-    assert!(bar());
-    assert!(cfg!(version("1.42"))); //~ ERROR `cfg(version)` is experimental and subject to change
+    assert!(cfg!(version("1.42")));
+    //~^ ERROR `cfg(version)` is experimental and subject to change
 }
diff --git a/tests/ui/feature-gates/feature-gate-cfg-version.stderr b/tests/ui/feature-gates/feature-gate-cfg-version.stderr
index c1c3e8e5897..7cb2f1e07af 100644
--- a/tests/ui/feature-gates/feature-gate-cfg-version.stderr
+++ b/tests/ui/feature-gates/feature-gate-cfg-version.stderr
@@ -1,39 +1,7 @@
 error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:1:7
+  --> $DIR/feature-gate-cfg-version.rs:5:7
    |
-LL | #[cfg(version(42))]
-   |       ^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: expected a version literal
-  --> $DIR/feature-gate-cfg-version.rs:1:15
-   |
-LL | #[cfg(version(42))]
-   |               ^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:4:7
-   |
-LL | #[cfg(version(1.20))]
-   |       ^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: expected a version literal
-  --> $DIR/feature-gate-cfg-version.rs:4:15
-   |
-LL | #[cfg(version(1.20))]
-   |               ^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:7:7
-   |
-LL | #[cfg(version("1.44"))]
+LL | #[cfg(version("1.42"))]
    |       ^^^^^^^^^^^^^^^
    |
    = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
@@ -41,171 +9,7 @@ LL | #[cfg(version("1.44"))]
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:10:11
-   |
-LL | #[cfg(not(version("1.44")))]
-   |           ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:14:7
-   |
-LL | #[cfg(version("1.43", "1.44", "1.45"))]
-   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: expected single version literal
-  --> $DIR/feature-gate-cfg-version.rs:14:7
-   |
-LL | #[cfg(version("1.43", "1.44", "1.45"))]
-   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:17:7
-   |
-LL | #[cfg(version(false))]
-   |       ^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: expected a version literal
-  --> $DIR/feature-gate-cfg-version.rs:17:15
-   |
-LL | #[cfg(version(false))]
-   |               ^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:20:7
-   |
-LL | #[cfg(version("foo"))]
-   |       ^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:20:15
-   |
-LL | #[cfg(version("foo"))]
-   |               ^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:23:7
-   |
-LL | #[cfg(version("999"))]
-   |       ^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:23:15
-   |
-LL | #[cfg(version("999"))]
-   |               ^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:26:7
-   |
-LL | #[cfg(version("-1"))]
-   |       ^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:26:15
-   |
-LL | #[cfg(version("-1"))]
-   |               ^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:29:7
-   |
-LL | #[cfg(version("65536"))]
-   |       ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:29:15
-   |
-LL | #[cfg(version("65536"))]
-   |               ^^^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:32:7
-   |
-LL | #[cfg(version("0"))]
-   |       ^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:32:15
-   |
-LL | #[cfg(version("0"))]
-   |               ^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:35:7
-   |
-LL | #[cfg(version("1.0"))]
-   |       ^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:38:7
-   |
-LL | #[cfg(version("1.65536.2"))]
-   |       ^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:38:15
-   |
-LL | #[cfg(version("1.65536.2"))]
-   |               ^^^^^^^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:41:7
-   |
-LL | #[cfg(version("1.20.0-stable"))]
-   |       ^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #64796 <https://github.com/rust-lang/rust/issues/64796> for more information
-   = help: add `#![feature(cfg_version)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-warning: unknown version literal format, assuming it refers to a future version
-  --> $DIR/feature-gate-cfg-version.rs:41:15
-   |
-LL | #[cfg(version("1.20.0-stable"))]
-   |               ^^^^^^^^^^^^^^^
-
-error[E0658]: `cfg(version)` is experimental and subject to change
-  --> $DIR/feature-gate-cfg-version.rs:48:18
+  --> $DIR/feature-gate-cfg-version.rs:10:18
    |
 LL |     assert!(cfg!(version("1.42")));
    |                  ^^^^^^^^^^^^^^^
@@ -214,6 +18,6 @@ LL |     assert!(cfg!(version("1.42")));
    = help: add `#![feature(cfg_version)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: aborting due to 19 previous errors; 7 warnings emitted
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs
index 37eabbf1602..8d7ccea9e64 100644
--- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs
+++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.rs
@@ -31,5 +31,4 @@ impl Trait for i32 {
 fn main() {
     Ptr(Box::new(4)) as Ptr<dyn Trait>;
     //~^ ERROR the trait `Trait` is not dyn compatible
-    //~^^ ERROR the trait `Trait` is not dyn compatible
 }
diff --git a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
index 6634ce12118..c70ab65aa90 100644
--- a/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
+++ b/tests/ui/feature-gates/feature-gate-dispatch-from-dyn-missing-impl.stderr
@@ -1,11 +1,11 @@
 error[E0038]: the trait `Trait` is not dyn compatible
-  --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:32:25
+  --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:32:33
    |
 LL |     fn ptr(self: Ptr<Self>);
    |                  --------- help: consider changing method `ptr`'s `self` parameter to be `&self`: `&Self`
 ...
 LL |     Ptr(Box::new(4)) as Ptr<dyn Trait>;
-   |                         ^^^^^^^^^^^^^^ `Trait` is not dyn compatible
+   |                                 ^^^^^ `Trait` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -17,26 +17,6 @@ LL |     fn ptr(self: Ptr<Self>);
    |                  ^^^^^^^^^ ...because method `ptr`'s `self` parameter cannot be dispatched on
    = help: only type `i32` implements `Trait`; consider using it directly instead.
 
-error[E0038]: the trait `Trait` is not dyn compatible
-  --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:32:5
-   |
-LL |     fn ptr(self: Ptr<Self>);
-   |                  --------- help: consider changing method `ptr`'s `self` parameter to be `&self`: `&Self`
-...
-LL |     Ptr(Box::new(4)) as Ptr<dyn Trait>;
-   |     ^^^^^^^^^^^^^^^^ `Trait` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/feature-gate-dispatch-from-dyn-missing-impl.rs:25:18
-   |
-LL | trait Trait {
-   |       ----- this trait is not dyn compatible...
-LL |     fn ptr(self: Ptr<Self>);
-   |                  ^^^^^^^^^ ...because method `ptr`'s `self` parameter cannot be dispatched on
-   = help: only type `i32` implements `Trait`; consider using it directly instead.
-   = note: required for the cast from `Ptr<{integer}>` to `Ptr<dyn Trait>`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.rs b/tests/ui/generic-associated-types/gat-in-trait-path.rs
index 7523803eacf..774e16d84c5 100644
--- a/tests/ui/generic-associated-types/gat-in-trait-path.rs
+++ b/tests/ui/generic-associated-types/gat-in-trait-path.rs
@@ -26,5 +26,4 @@ fn main() {
   let foo = Fooer(5);
   f(Box::new(foo));
   //~^ ERROR the trait `Foo` is not dyn compatible
-  //~| ERROR the trait `Foo` is not dyn compatible
 }
diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.stderr b/tests/ui/generic-associated-types/gat-in-trait-path.stderr
index e57f6b48401..d4ccd80f146 100644
--- a/tests/ui/generic-associated-types/gat-in-trait-path.stderr
+++ b/tests/ui/generic-associated-types/gat-in-trait-path.stderr
@@ -30,23 +30,6 @@ LL |     type A<'a> where Self: 'a;
    |          ^ ...because it contains the generic associated type `A`
    = help: consider moving `A` to another trait
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/gat-in-trait-path.rs:27:5
-   |
-LL |   f(Box::new(foo));
-   |     ^^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/gat-in-trait-path.rs:6:10
-   |
-LL | trait Foo {
-   |       --- this trait is not dyn compatible...
-LL |     type A<'a> where Self: 'a;
-   |          ^ ...because it contains the generic associated type `A`
-   = help: consider moving `A` to another trait
-   = note: required for the cast from `Box<Fooer<{integer}>>` to `Box<(dyn Foo<A<'a> = &'a ()> + 'static)>`
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/generic-associated-types/issue-71176.rs b/tests/ui/generic-associated-types/issue-71176.rs
index d3a0caffec1..8ecfa93750d 100644
--- a/tests/ui/generic-associated-types/issue-71176.rs
+++ b/tests/ui/generic-associated-types/issue-71176.rs
@@ -18,6 +18,5 @@ fn main() {
     Holder {
         inner: Box::new(()),
         //~^ ERROR: the trait `Provider` is not dyn compatible
-        //~| ERROR: the trait `Provider` is not dyn compatible
     };
 }
diff --git a/tests/ui/generic-associated-types/issue-71176.stderr b/tests/ui/generic-associated-types/issue-71176.stderr
index 56439f6dfea..f231056a2ee 100644
--- a/tests/ui/generic-associated-types/issue-71176.stderr
+++ b/tests/ui/generic-associated-types/issue-71176.stderr
@@ -82,25 +82,7 @@ LL |     type A<'a>;
    = help: consider moving `A` to another trait
    = help: only type `()` implements `Provider`; consider using it directly instead.
 
-error[E0038]: the trait `Provider` is not dyn compatible
-  --> $DIR/issue-71176.rs:19:16
-   |
-LL |         inner: Box::new(()),
-   |                ^^^^^^^^^^^^ `Provider` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-71176.rs:2:10
-   |
-LL | trait Provider {
-   |       -------- this trait is not dyn compatible...
-LL |     type A<'a>;
-   |          ^ ...because it contains the generic associated type `A`
-   = help: consider moving `A` to another trait
-   = help: only type `()` implements `Provider`; consider using it directly instead.
-   = note: required for the cast from `Box<()>` to `Box<(dyn Provider<A<'_> = _> + 'static), {type error}>`
-
-error: aborting due to 6 previous errors
+error: aborting due to 5 previous errors
 
 Some errors have detailed explanations: E0038, E0107.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/generic-associated-types/issue-76535.rs b/tests/ui/generic-associated-types/issue-76535.rs
index 9e18c82c7f1..dc697401a58 100644
--- a/tests/ui/generic-associated-types/issue-76535.rs
+++ b/tests/ui/generic-associated-types/issue-76535.rs
@@ -33,6 +33,5 @@ impl SuperTrait for SuperStruct {
 fn main() {
     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
       //~^ ERROR missing generics for associated type
-      //~^^ ERROR the trait
       //~| ERROR the trait
 }
diff --git a/tests/ui/generic-associated-types/issue-76535.stderr b/tests/ui/generic-associated-types/issue-76535.stderr
index b828234afa1..2daf9d817bb 100644
--- a/tests/ui/generic-associated-types/issue-76535.stderr
+++ b/tests/ui/generic-associated-types/issue-76535.stderr
@@ -15,10 +15,10 @@ LL |     let sub: Box<dyn SuperTrait<SubType<'a> = SubStruct>> = Box::new(SuperS
    |                                        ++++
 
 error[E0038]: the trait `SuperTrait` is not dyn compatible
-  --> $DIR/issue-76535.rs:34:14
+  --> $DIR/issue-76535.rs:34:22
    |
 LL |     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
-   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible
+   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -32,26 +32,7 @@ LL |     type SubType<'a>: SubTrait where Self: 'a;
    = help: only type `SuperStruct` implements `SuperTrait` within this crate; consider using it directly instead.
    = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type
 
-error[E0038]: the trait `SuperTrait` is not dyn compatible
-  --> $DIR/issue-76535.rs:34:57
-   |
-LL |     let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
-   |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `SuperTrait` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-76535.rs:4:10
-   |
-LL | pub trait SuperTrait {
-   |           ---------- this trait is not dyn compatible...
-LL |     type SubType<'a>: SubTrait where Self: 'a;
-   |          ^^^^^^^ ...because it contains the generic associated type `SubType`
-   = help: consider moving `SubType` to another trait
-   = help: only type `SuperStruct` implements `SuperTrait` within this crate; consider using it directly instead.
-   = note: `SuperTrait` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type
-   = note: required for the cast from `Box<SuperStruct>` to `Box<dyn SuperTrait<SubType<'_> = SubStruct<'_>>>`
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0038, E0107.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/generic-associated-types/issue-78671.stderr b/tests/ui/generic-associated-types/issue-78671.stderr
index c6da137672d..fff061a8ada 100644
--- a/tests/ui/generic-associated-types/issue-78671.stderr
+++ b/tests/ui/generic-associated-types/issue-78671.stderr
@@ -15,10 +15,10 @@ LL |     Box::new(Family) as &dyn CollectionFamily<Member<T>=usize>
    |                                                     +++
 
 error[E0038]: the trait `CollectionFamily` is not dyn compatible
-  --> $DIR/issue-78671.rs:5:25
+  --> $DIR/issue-78671.rs:5:30
    |
 LL |     Box::new(Family) as &dyn CollectionFamily<Member=usize>
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` is not dyn compatible
+   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CollectionFamily` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
diff --git a/tests/ui/generic-associated-types/issue-79422.rs b/tests/ui/generic-associated-types/issue-79422.rs
index fba7a86990e..462614b3612 100644
--- a/tests/ui/generic-associated-types/issue-79422.rs
+++ b/tests/ui/generic-associated-types/issue-79422.rs
@@ -15,12 +15,17 @@ impl<'a, T> RefCont<'a, T> for Box<T> {
 }
 
 trait MapLike<K, V> {
-    type VRefCont<'a>: RefCont<'a, V> where Self: 'a;
+    type VRefCont<'a>: RefCont<'a, V>
+    where
+        Self: 'a;
     fn get<'a>(&'a self, key: &K) -> Option<Self::VRefCont<'a>>;
 }
 
 impl<K: Ord, V: 'static> MapLike<K, V> for std::collections::BTreeMap<K, V> {
-    type VRefCont<'a> = &'a V where Self: 'a;
+    type VRefCont<'a>
+        = &'a V
+    where
+        Self: 'a;
     fn get<'a>(&'a self, key: &K) -> Option<&'a V> {
         std::collections::BTreeMap::get(self, key)
     }
@@ -37,8 +42,7 @@ impl<K, V: Default> MapLike<K, V> for Source {
 
 fn main() {
     let m = Box::new(std::collections::BTreeMap::<u8, u8>::new())
-    //~^ ERROR the trait
         as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>;
-      //~^ ERROR missing generics for associated type
-      //~| ERROR the trait
+    //~^ ERROR the trait
+    //~| ERROR missing generics for associated type
 }
diff --git a/tests/ui/generic-associated-types/issue-79422.stderr b/tests/ui/generic-associated-types/issue-79422.stderr
index 6311e4de272..dcf3a9008de 100644
--- a/tests/ui/generic-associated-types/issue-79422.stderr
+++ b/tests/ui/generic-associated-types/issue-79422.stderr
@@ -1,5 +1,5 @@
 error[E0107]: missing generics for associated type `MapLike::VRefCont`
-  --> $DIR/issue-79422.rs:41:36
+  --> $DIR/issue-79422.rs:45:36
    |
 LL |         as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>;
    |                                    ^^^^^^^^ expected 1 lifetime argument
@@ -7,7 +7,7 @@ LL |         as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>;
 note: associated type defined here, with 1 lifetime parameter: `'a`
   --> $DIR/issue-79422.rs:18:10
    |
-LL |     type VRefCont<'a>: RefCont<'a, V> where Self: 'a;
+LL |     type VRefCont<'a>: RefCont<'a, V>
    |          ^^^^^^^^ --
 help: add missing lifetime argument
    |
@@ -15,10 +15,10 @@ LL |         as Box<dyn MapLike<u8, u8, VRefCont<'a> = dyn RefCont<'_, u8>>>;
    |                                            ++++
 
 error[E0038]: the trait `MapLike` is not dyn compatible
-  --> $DIR/issue-79422.rs:41:12
+  --> $DIR/issue-79422.rs:45:20
    |
 LL |         as Box<dyn MapLike<u8, u8, VRefCont = dyn RefCont<'_, u8>>>;
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible
+   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -26,28 +26,11 @@ note: for a trait to be dyn compatible it needs to allow building a vtable
    |
 LL | trait MapLike<K, V> {
    |       ------- this trait is not dyn compatible...
-LL |     type VRefCont<'a>: RefCont<'a, V> where Self: 'a;
+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` is not dyn compatible
-  --> $DIR/issue-79422.rs:39:13
-   |
-LL |     let m = Box::new(std::collections::BTreeMap::<u8, u8>::new())
-   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `MapLike` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-79422.rs:18:10
-   |
-LL | trait MapLike<K, V> {
-   |       ------- this trait is not dyn compatible...
-LL |     type VRefCont<'a>: RefCont<'a, V> where Self: 'a;
-   |          ^^^^^^^^ ...because it contains the generic associated type `VRefCont`
-   = help: consider moving `VRefCont` to another trait
-   = note: required for the cast from `Box<BTreeMap<u8, u8>>` to `Box<dyn MapLike<u8, u8, VRefCont<'_> = (dyn RefCont<'_, u8> + 'static)>>`
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0038, E0107.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs
index 5d039cd5dc6..cc813430468 100644
--- a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs
+++ b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.rs
@@ -13,8 +13,6 @@ fn needs_bar(_: *mut Type2) {}
 fn main() {
     let x: &dyn Foo = &();
     //~^ ERROR the trait `Foo` is not dyn compatible
-    //~| ERROR the trait `Foo` is not dyn compatible
 
     needs_bar(x);
-    //~^ ERROR mismatched types
 }
diff --git a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr
index 183ee678d7a..d35394a4f66 100644
--- a/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr
+++ b/tests/ui/higher-ranked/trait-bounds/span-bug-issue-121597.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/span-bug-issue-121597.rs:14:23
+  --> $DIR/span-bug-issue-121597.rs:14:17
    |
 LL |     let x: &dyn Foo = &();
-   |                       ^^^ `Foo` is not dyn compatible
+   |                 ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -12,40 +12,7 @@ LL | trait Foo: for<T> Bar<T> {}
    |       ---  ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables
    |       |
    |       this trait is not dyn compatible...
-   = note: required for the cast from `&()` to `&dyn Foo`
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/span-bug-issue-121597.rs:14:12
-   |
-LL |     let x: &dyn Foo = &();
-   |            ^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/span-bug-issue-121597.rs:4:12
-   |
-LL | trait Foo: for<T> Bar<T> {}
-   |       ---  ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables
-   |       |
-   |       this trait is not dyn compatible...
-
-error[E0308]: mismatched types
-  --> $DIR/span-bug-issue-121597.rs:18:15
-   |
-LL |     needs_bar(x);
-   |     --------- ^ types differ in mutability
-   |     |
-   |     arguments to this function are incorrect
-   |
-   = note: expected raw pointer `*mut Type2`
-                found reference `&dyn Foo`
-note: function defined here
-  --> $DIR/span-bug-issue-121597.rs:11:4
-   |
-LL | fn needs_bar(_: *mut Type2) {}
-   |    ^^^^^^^^^ -------------
-
-error: aborting due to 3 previous errors
+error: aborting due to 1 previous error
 
-Some errors have detailed explanations: E0038, E0308.
-For more information about an error, try `rustc --explain E0038`.
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs
index 901d4b39cf3..accd173ce23 100644
--- a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs
+++ b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.rs
@@ -21,6 +21,8 @@ impl DynIncompatible for B {
 
 fn car() -> dyn DynIncompatible { //~ ERROR the trait `DynIncompatible` is not dyn compatible
 //~^ ERROR return type cannot be a trait object without pointer indirection
+//~| ERROR the trait `DynIncompatible` is not dyn compatible
+//~| ERROR the trait `DynIncompatible` is not dyn compatible
     if true {
         return A;
     }
@@ -29,9 +31,9 @@ fn car() -> dyn DynIncompatible { //~ ERROR the trait `DynIncompatible` is not d
 
 fn cat() -> Box<dyn DynIncompatible> { //~ ERROR the trait `DynIncompatible` is not dyn compatible
     if true {
-        return Box::new(A); //~ ERROR is not dyn compatible
+        return Box::new(A);
     }
-    Box::new(B) //~ ERROR is not dyn compatible
+    Box::new(B)
 }
 
 fn main() {}
diff --git a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr
index 2c314b07bce..a8787a01a6f 100644
--- a/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr
+++ b/tests/ui/impl-trait/dyn-incompatible-trait-in-return-position-dyn-trait.stderr
@@ -41,6 +41,7 @@ help: alternatively, box the return type, and wrap all of the returned values in
    |
 LL ~ fn car() -> Box<dyn DynIncompatible> {
 LL |
+...
 LL |     if true {
 LL ~         return Box::new(A);
 LL |     }
@@ -48,7 +49,7 @@ LL ~     Box::new(B)
    |
 
 error[E0038]: the trait `DynIncompatible` is not dyn compatible
-  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:30:17
+  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:32:17
    |
 LL | fn cat() -> Box<dyn DynIncompatible> {
    |                 ^^^^^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible
@@ -76,10 +77,10 @@ LL |     fn foo() -> Self where Self: Sized;
    |                      +++++++++++++++++
 
 error[E0038]: the trait `DynIncompatible` is not dyn compatible
-  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:32:16
+  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:22:17
    |
-LL |         return Box::new(A);
-   |                ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible
+LL | fn car() -> dyn DynIncompatible {
+   |                 ^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -94,7 +95,11 @@ LL |     fn foo() -> Self;
              B
            consider defining an enum where each variant holds one of these types,
            implementing `DynIncompatible` for this new enum and using it instead
-   = note: required for the cast from `Box<A>` to `Box<(dyn DynIncompatible + 'static)>`
+help: consider using an opaque type instead
+   |
+LL - fn car() -> dyn DynIncompatible {
+LL + fn car() -> impl DynIncompatible {
+   |
 help: consider turning `foo` into a method by giving it a `&self` argument
    |
 LL |     fn foo(&self) -> Self;
@@ -105,10 +110,10 @@ LL |     fn foo() -> Self where Self: Sized;
    |                      +++++++++++++++++
 
 error[E0038]: the trait `DynIncompatible` is not dyn compatible
-  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:34:5
+  --> $DIR/dyn-incompatible-trait-in-return-position-dyn-trait.rs:22:17
    |
-LL |     Box::new(B)
-   |     ^^^^^^^^^^^ `DynIncompatible` is not dyn compatible
+LL | fn car() -> dyn DynIncompatible {
+   |                 ^^^^^^^^^^^^^^^ `DynIncompatible` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -123,7 +128,12 @@ LL |     fn foo() -> Self;
              B
            consider defining an enum where each variant holds one of these types,
            implementing `DynIncompatible` for this new enum and using it instead
-   = note: required for the cast from `Box<B>` to `Box<(dyn DynIncompatible + 'static)>`
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+help: consider using an opaque type instead
+   |
+LL - fn car() -> dyn DynIncompatible {
+LL + fn car() -> impl DynIncompatible {
+   |
 help: consider turning `foo` into a method by giving it a `&self` argument
    |
 LL |     fn foo(&self) -> Self;
diff --git a/tests/ui/impl-trait/in-trait/dyn-compatibility.rs b/tests/ui/impl-trait/in-trait/dyn-compatibility.rs
index 92203c470bb..45b431f6d30 100644
--- a/tests/ui/impl-trait/in-trait/dyn-compatibility.rs
+++ b/tests/ui/impl-trait/in-trait/dyn-compatibility.rs
@@ -13,6 +13,5 @@ impl Foo for u32 {
 fn main() {
     let i = Box::new(42_u32) as Box<dyn Foo>;
     //~^ ERROR the trait `Foo` is not dyn compatible
-    //~| ERROR the trait `Foo` is not dyn compatible
     let s = i.baz();
 }
diff --git a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr
index 5c498548aff..8cdb3808533 100644
--- a/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr
+++ b/tests/ui/impl-trait/in-trait/dyn-compatibility.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/dyn-compatibility.rs:14:33
+  --> $DIR/dyn-compatibility.rs:14:41
    |
 LL |     let i = Box::new(42_u32) as Box<dyn Foo>;
-   |                                 ^^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                                         ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -15,24 +15,6 @@ LL |     fn baz(&self) -> impl Debug;
    = help: consider moving `baz` to another trait
    = help: only type `u32` implements `Foo`; consider using it directly instead.
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/dyn-compatibility.rs:14:13
-   |
-LL |     let i = Box::new(42_u32) as Box<dyn Foo>;
-   |             ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/dyn-compatibility.rs:4:22
-   |
-LL | trait Foo {
-   |       --- this trait is not dyn compatible...
-LL |     fn baz(&self) -> impl Debug;
-   |                      ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type
-   = help: consider moving `baz` to another trait
-   = help: only type `u32` implements `Foo`; consider using it directly instead.
-   = note: required for the cast from `Box<u32>` to `Box<dyn Foo>`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr
index 29235ca78a5..68ac765a3c1 100644
--- a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr
+++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/foreign-dyn-error.rs:6:12
+  --> $DIR/foreign-dyn-error.rs:6:17
    |
 LL |     let _: &dyn rpitit::Foo = todo!();
-   |            ^^^^^^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                 ^^^^^^^^^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
diff --git a/tests/ui/instrument-xray/platform-support.rs b/tests/ui/instrument-xray/platform-support.rs
new file mode 100644
index 00000000000..238018b348d
--- /dev/null
+++ b/tests/ui/instrument-xray/platform-support.rs
@@ -0,0 +1,27 @@
+//@ only-nightly (flag is still unstable)
+//@ needs-xray
+
+//@ revisions: unsupported
+//@[unsupported] needs-llvm-components: x86
+//@[unsupported] compile-flags: -Z instrument-xray --target=x86_64-pc-windows-msvc
+
+//@ revisions: x86_64-linux
+//@[x86_64-linux] needs-llvm-components: x86
+//@[x86_64-linux] compile-flags: -Z instrument-xray --target=x86_64-unknown-linux-gnu
+//@[x86_64-linux] check-pass
+
+//@ revisions: x86_64-darwin
+//@[x86_64-darwin] needs-llvm-components: x86
+//@[x86_64-darwin] compile-flags: -Z instrument-xray --target=x86_64-apple-darwin
+//@[x86_64-darwin] check-pass
+
+//@ revisions: aarch64-darwin
+//@[aarch64-darwin] needs-llvm-components: aarch64
+//@[aarch64-darwin] compile-flags: -Z instrument-xray --target=aarch64-apple-darwin
+//@[aarch64-darwin] check-pass
+
+#![feature(no_core)]
+#![no_core]
+#![no_main]
+
+//[unsupported]~? ERROR XRay instrumentation is not supported for this target
diff --git a/tests/ui/instrument-xray/target-not-supported.stderr b/tests/ui/instrument-xray/platform-support.unsupported.stderr
index 119094bfc4c..119094bfc4c 100644
--- a/tests/ui/instrument-xray/target-not-supported.stderr
+++ b/tests/ui/instrument-xray/platform-support.unsupported.stderr
diff --git a/tests/ui/instrument-xray/target-not-supported.rs b/tests/ui/instrument-xray/target-not-supported.rs
deleted file mode 100644
index 2045913b186..00000000000
--- a/tests/ui/instrument-xray/target-not-supported.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-// Verifies that `-Z instrument-xray` cannot be used with unsupported targets,
-//
-//@ needs-llvm-components: x86
-//@ compile-flags: -Z instrument-xray --target x86_64-apple-darwin
-
-#![feature(no_core)]
-#![no_core]
-#![no_main]
-
-//~? ERROR XRay instrumentation is not supported for this target
diff --git a/tests/ui/issues/issue-18959.rs b/tests/ui/issues/issue-18959.rs
index dbc73bafce9..415fe818f53 100644
--- a/tests/ui/issues/issue-18959.rs
+++ b/tests/ui/issues/issue-18959.rs
@@ -17,6 +17,6 @@ fn main() {
     let mut thing = Thing;
     let test: &dyn Bar = &mut thing;
     //~^ ERROR E0038
-    //~| ERROR E0038
     foo(test);
+    //~^ ERROR E0038
 }
diff --git a/tests/ui/issues/issue-18959.stderr b/tests/ui/issues/issue-18959.stderr
index 7ddfdb49d95..df47d50a019 100644
--- a/tests/ui/issues/issue-18959.stderr
+++ b/tests/ui/issues/issue-18959.stderr
@@ -15,10 +15,10 @@ LL | pub trait Bar: Foo { }
    = help: consider moving `foo` to another trait
 
 error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/issue-18959.rs:18:26
+  --> $DIR/issue-18959.rs:18:20
    |
 LL |     let test: &dyn Bar = &mut thing;
-   |                          ^^^^^^^^^^ `Bar` is not dyn compatible
+   |                    ^^^ `Bar` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -29,13 +29,12 @@ LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); }
 LL | pub trait Bar: Foo { }
    |           --- this trait is not dyn compatible...
    = help: consider moving `foo` to another trait
-   = note: required for the cast from `&mut Thing` to `&dyn Bar`
 
 error[E0038]: the trait `Bar` is not dyn compatible
-  --> $DIR/issue-18959.rs:18:15
+  --> $DIR/issue-18959.rs:20:9
    |
-LL |     let test: &dyn Bar = &mut thing;
-   |               ^^^^^^^^ `Bar` is not dyn compatible
+LL |     foo(test);
+   |         ^^^^ `Bar` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
diff --git a/tests/ui/issues/issue-19380.rs b/tests/ui/issues/issue-19380.rs
index 8b3fe4d2b09..fce737cba18 100644
--- a/tests/ui/issues/issue-19380.rs
+++ b/tests/ui/issues/issue-19380.rs
@@ -15,6 +15,5 @@ struct Bar {
 const FOO : Foo = Foo;
 const BAR : Bar = Bar { foos: &[&FOO]};
 //~^ ERROR E0038
-//~| ERROR E0038
 
 fn main() { }
diff --git a/tests/ui/issues/issue-19380.stderr b/tests/ui/issues/issue-19380.stderr
index f8509891d3a..4c41d41ae37 100644
--- a/tests/ui/issues/issue-19380.stderr
+++ b/tests/ui/issues/issue-19380.stderr
@@ -23,31 +23,6 @@ LL |   fn qiz() where Self: Sized;
    |            +++++++++++++++++
 
 error[E0038]: the trait `Qiz` is not dyn compatible
-  --> $DIR/issue-19380.rs:16:33
-   |
-LL | const BAR : Bar = Bar { foos: &[&FOO]};
-   |                                 ^^^^ `Qiz` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-19380.rs:2:6
-   |
-LL | trait Qiz {
-   |       --- this trait is not dyn compatible...
-LL |   fn qiz();
-   |      ^^^ ...because associated function `qiz` has no `self` parameter
-   = help: only type `Foo` implements `Qiz`; consider using it directly instead.
-   = note: required for the cast from `&Foo` to `&'static (dyn Qiz + 'static)`
-help: consider turning `qiz` into a method by giving it a `&self` argument
-   |
-LL |   fn qiz(&self);
-   |          +++++
-help: alternatively, consider constraining `qiz` so it does not apply to trait objects
-   |
-LL |   fn qiz() where Self: Sized;
-   |            +++++++++++++++++
-
-error[E0038]: the trait `Qiz` is not dyn compatible
   --> $DIR/issue-19380.rs:16:31
    |
 LL | const BAR : Bar = Bar { foos: &[&FOO]};
@@ -71,6 +46,6 @@ help: alternatively, consider constraining `qiz` so it does not apply to trait o
 LL |   fn qiz() where Self: Sized;
    |            +++++++++++++++++
 
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/issues/issue-50781.rs b/tests/ui/issues/issue-50781.rs
index ab90db1cadc..d837b848591 100644
--- a/tests/ui/issues/issue-50781.rs
+++ b/tests/ui/issues/issue-50781.rs
@@ -15,5 +15,4 @@ pub fn main() {
     // Check that this does not segfault.
     <dyn X as X>::foo(&());
     //~^ ERROR the trait `X` is not dyn compatible
-    //~| ERROR the trait `X` is not dyn compatible
 }
diff --git a/tests/ui/issues/issue-50781.stderr b/tests/ui/issues/issue-50781.stderr
index 88b83a83e0c..4ba3166b6c5 100644
--- a/tests/ui/issues/issue-50781.stderr
+++ b/tests/ui/issues/issue-50781.stderr
@@ -16,10 +16,10 @@ LL |     fn foo(&self) where Self: Trait;
    = help: only type `()` implements `X`; consider using it directly instead.
 
 error[E0038]: the trait `X` is not dyn compatible
-  --> $DIR/issue-50781.rs:16:23
+  --> $DIR/issue-50781.rs:16:10
    |
 LL |     <dyn X as X>::foo(&());
-   |                       ^^^ `X` is not dyn compatible
+   |          ^ `X` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -31,25 +31,7 @@ LL |     fn foo(&self) where Self: Trait;
    |        ^^^ ...because method `foo` references the `Self` type in its `where` clause
    = help: consider moving `foo` to another trait
    = help: only type `()` implements `X`; consider using it directly instead.
-   = note: required for the cast from `&()` to `&dyn X`
 
-error[E0038]: the trait `X` is not dyn compatible
-  --> $DIR/issue-50781.rs:16:6
-   |
-LL |     <dyn X as X>::foo(&());
-   |      ^^^^^ `X` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-50781.rs:4:8
-   |
-LL | trait X {
-   |       - this trait is not dyn compatible...
-LL |     fn foo(&self) where Self: Trait;
-   |        ^^^ ...because method `foo` references the `Self` type in its `where` clause
-   = help: consider moving `foo` to another trait
-   = help: only type `()` implements `X`; consider using it directly instead.
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/issues/issue-58734.rs b/tests/ui/issues/issue-58734.rs
index ee23be87b6b..e5b371f5530 100644
--- a/tests/ui/issues/issue-58734.rs
+++ b/tests/ui/issues/issue-58734.rs
@@ -18,8 +18,7 @@ fn main() {
     Trait::exists(());
     // no dyn-compatibility error
     Trait::nonexistent(());
-    //~^ ERROR no function or associated item named `nonexistent` found
-    //~| WARN trait objects without an explicit `dyn` are deprecated
+    //~^ WARN trait objects without an explicit `dyn` are deprecated
     //~| WARN this is accepted in the current edition
     //~| ERROR the trait `Trait` is not dyn compatible
 }
diff --git a/tests/ui/issues/issue-58734.stderr b/tests/ui/issues/issue-58734.stderr
index c4624cecc62..e5dad000b51 100644
--- a/tests/ui/issues/issue-58734.stderr
+++ b/tests/ui/issues/issue-58734.stderr
@@ -37,13 +37,6 @@ help: alternatively, consider constraining `dyn_incompatible` so it does not app
 LL |     fn dyn_incompatible() -> Self where Self: Sized;
    |                                   +++++++++++++++++
 
-error[E0599]: no function or associated item named `nonexistent` found for trait object `dyn Trait` in the current scope
-  --> $DIR/issue-58734.rs:20:12
-   |
-LL |     Trait::nonexistent(());
-   |            ^^^^^^^^^^^ function or associated item not found in `dyn Trait`
-
-error: aborting due to 2 previous errors; 1 warning emitted
+error: aborting due to 1 previous error; 1 warning emitted
 
-Some errors have detailed explanations: E0038, E0599.
-For more information about an error, try `rustc --explain E0038`.
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.rs b/tests/ui/kindck/kindck-inherited-copy-bound.rs
index 20d54a3fb10..92c2b273c2c 100644
--- a/tests/ui/kindck/kindck-inherited-copy-bound.rs
+++ b/tests/ui/kindck/kindck-inherited-copy-bound.rs
@@ -22,7 +22,6 @@ fn b() {
     let y = &x;
     let z = &x as &dyn Foo;
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
 
 fn main() { }
diff --git a/tests/ui/kindck/kindck-inherited-copy-bound.stderr b/tests/ui/kindck/kindck-inherited-copy-bound.stderr
index edfa7ae7769..c15aabacddd 100644
--- a/tests/ui/kindck/kindck-inherited-copy-bound.stderr
+++ b/tests/ui/kindck/kindck-inherited-copy-bound.stderr
@@ -20,10 +20,10 @@ LL | fn take_param<T:Foo>(foo: &T) { }
    |                 ^^^ required by this bound in `take_param`
 
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/kindck-inherited-copy-bound.rs:23:19
+  --> $DIR/kindck-inherited-copy-bound.rs:23:24
    |
 LL |     let z = &x as &dyn Foo;
-   |                   ^^^^^^^^ `Foo` is not dyn compatible
+   |                        ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -34,23 +34,7 @@ LL | trait Foo : Copy {
    |       |
    |       this trait is not dyn compatible...
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/kindck-inherited-copy-bound.rs:23:13
-   |
-LL |     let z = &x as &dyn Foo;
-   |             ^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/kindck-inherited-copy-bound.rs:6:13
-   |
-LL | trait Foo : Copy {
-   |       ---   ^^^^ ...because it requires `Self: Sized`
-   |       |
-   |       this trait is not dyn compatible...
-   = note: required for the cast from `&Box<{integer}>` to `&dyn Foo`
-
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0038, E0277.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/lint/unused/unused-braces-attrs-issue-141549.fixed b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.fixed
new file mode 100644
index 00000000000..6129da30676
--- /dev/null
+++ b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.fixed
@@ -0,0 +1,15 @@
+//@ check-pass
+//@ run-rustfix
+
+#![allow(dead_code)]
+#![warn(unused_braces)]
+
+use std::cmp::Ordering;
+
+#[rustfmt::skip]
+fn ptr_cmp<T: ?Sized>(p1: *const T, p2: *const T) -> Ordering {
+    #[expect(ambiguous_wide_pointer_comparisons)] p1.cmp(&p2)
+    //~^ WARN unnecessary braces around block return value
+}
+
+fn main() {}
diff --git a/tests/ui/lint/unused/unused-braces-attrs-issue-141549.rs b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.rs
new file mode 100644
index 00000000000..a550ebc4973
--- /dev/null
+++ b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.rs
@@ -0,0 +1,15 @@
+//@ check-pass
+//@ run-rustfix
+
+#![allow(dead_code)]
+#![warn(unused_braces)]
+
+use std::cmp::Ordering;
+
+#[rustfmt::skip]
+fn ptr_cmp<T: ?Sized>(p1: *const T, p2: *const T) -> Ordering {
+    { #[expect(ambiguous_wide_pointer_comparisons)] p1.cmp(&p2) }
+    //~^ WARN unnecessary braces around block return value
+}
+
+fn main() {}
diff --git a/tests/ui/lint/unused/unused-braces-attrs-issue-141549.stderr b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.stderr
new file mode 100644
index 00000000000..0b2b6211ab9
--- /dev/null
+++ b/tests/ui/lint/unused/unused-braces-attrs-issue-141549.stderr
@@ -0,0 +1,19 @@
+warning: unnecessary braces around block return value
+  --> $DIR/unused-braces-attrs-issue-141549.rs:11:5
+   |
+LL |     { #[expect(ambiguous_wide_pointer_comparisons)] p1.cmp(&p2) }
+   |     ^^                                                         ^^
+   |
+note: the lint level is defined here
+  --> $DIR/unused-braces-attrs-issue-141549.rs:5:9
+   |
+LL | #![warn(unused_braces)]
+   |         ^^^^^^^^^^^^^
+help: remove these braces
+   |
+LL -     { #[expect(ambiguous_wide_pointer_comparisons)] p1.cmp(&p2) }
+LL +     #[expect(ambiguous_wide_pointer_comparisons)] p1.cmp(&p2)
+   |
+
+warning: 1 warning emitted
+
diff --git a/tests/ui/lint/wide_pointer_comparisons.stderr b/tests/ui/lint/wide_pointer_comparisons.stderr
index 5a0b914d832..4f5238e8252 100644
--- a/tests/ui/lint/wide_pointer_comparisons.stderr
+++ b/tests/ui/lint/wide_pointer_comparisons.stderr
@@ -29,10 +29,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a < b;
    |             ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>() < b.cast::<()>();
    |              +++++++++++++    +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a < b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:26:13
@@ -40,10 +44,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a <= b;
    |             ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>() <= b.cast::<()>();
    |              +++++++++++++     +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a <= b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:28:13
@@ -51,10 +59,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a > b;
    |             ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>() > b.cast::<()>();
    |              +++++++++++++    +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a > b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:30:13
@@ -62,10 +74,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a >= b;
    |             ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>() >= b.cast::<()>();
    |              +++++++++++++     +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a >= b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:33:13
@@ -121,10 +137,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.cmp(&b);
    |             ^^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().cmp(&b.cast::<()>());
    |              +++++++++++++       +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.cmp(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++           +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:43:13
@@ -132,10 +152,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.partial_cmp(&b);
    |             ^^^^^^^^^^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().partial_cmp(&b.cast::<()>());
    |              +++++++++++++               +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.partial_cmp(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++                   +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:45:13
@@ -143,10 +167,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.le(&b);
    |             ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().le(&b.cast::<()>());
    |              +++++++++++++      +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.le(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:47:13
@@ -154,10 +182,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.lt(&b);
    |             ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().lt(&b.cast::<()>());
    |              +++++++++++++      +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.lt(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:49:13
@@ -165,10 +197,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.ge(&b);
    |             ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().ge(&b.cast::<()>());
    |              +++++++++++++      +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.ge(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:51:13
@@ -176,10 +212,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |     let _ = a.gt(&b);
    |             ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |     let _ = a.cast::<()>().gt(&b.cast::<()>());
    |              +++++++++++++      +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |     let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.gt(&b) };
+   |             +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:57:17
@@ -199,10 +239,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a >= b;
    |                 ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = a.as_ptr().cast::<()>() >= b.as_ptr().cast::<()>();
    |                  ++++++++++++++++++++++     ++++++++++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a >= b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:61:17
@@ -246,10 +290,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a < b;
    |                 ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>() < (*b).cast::<()>();
    |                 ++ ++++++++++++++   ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a < b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:76:17
@@ -257,10 +305,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a <= b;
    |                 ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>() <= (*b).cast::<()>();
    |                 ++ ++++++++++++++    ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a <= b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:78:17
@@ -268,10 +320,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a > b;
    |                 ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>() > (*b).cast::<()>();
    |                 ++ ++++++++++++++   ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a > b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:80:17
@@ -279,10 +335,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a >= b;
    |                 ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>() >= (*b).cast::<()>();
    |                 ++ ++++++++++++++    ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a >= b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:83:17
@@ -362,10 +422,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.cmp(&b);
    |                 ^^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().cmp(&(*b).cast::<()>());
    |                 ++ ++++++++++++++      ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.cmp(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++           +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:97:17
@@ -373,10 +437,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.partial_cmp(&b);
    |                 ^^^^^^^^^^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().partial_cmp(&(*b).cast::<()>());
    |                 ++ ++++++++++++++              ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.partial_cmp(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++                   +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:99:17
@@ -384,10 +452,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.le(&b);
    |                 ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().le(&(*b).cast::<()>());
    |                 ++ ++++++++++++++     ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.le(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:101:17
@@ -395,10 +467,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.lt(&b);
    |                 ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().lt(&(*b).cast::<()>());
    |                 ++ ++++++++++++++     ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.lt(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:103:17
@@ -406,10 +482,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.ge(&b);
    |                 ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().ge(&(*b).cast::<()>());
    |                 ++ ++++++++++++++     ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.ge(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:105:17
@@ -417,10 +497,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a.gt(&b);
    |                 ^^^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = (*a).cast::<()>().gt(&(*b).cast::<()>());
    |                 ++ ++++++++++++++     ++ ++++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] a.gt(&b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++          +
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:110:13
@@ -496,10 +580,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a < b;
    |                 ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = a.cast::<()>() < b.cast::<()>();
    |                  +++++++++++++    +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a < b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:124:17
@@ -507,10 +595,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a <= b;
    |                 ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = a.cast::<()>() <= b.cast::<()>();
    |                  +++++++++++++     +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a <= b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:126:17
@@ -518,10 +610,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a > b;
    |                 ^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = a.cast::<()>() > b.cast::<()>();
    |                  +++++++++++++    +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a > b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++     +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:128:17
@@ -529,10 +625,14 @@ warning: ambiguous wide pointer comparison, the comparison includes metadata whi
 LL |         let _ = a >= b;
    |                 ^^^^^^
    |
-help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
+help: use untyped pointers to only compare their addresses
    |
 LL |         let _ = a.cast::<()>() >= b.cast::<()>();
    |                  +++++++++++++     +++++++++++++
+help: or expect the lint to compare the pointers metadata and addresses
+   |
+LL |         let _ = { #[expect(ambiguous_wide_pointer_comparisons, reason = "...")] (a >= b) };
+   |                 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++      +++
 
 warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
   --> $DIR/wide_pointer_comparisons.rs:131:17
diff --git a/tests/ui/not-enough-arguments.rs b/tests/ui/not-enough-arguments.rs
index 4a2ea5e44c7..ec660a1de81 100644
--- a/tests/ui/not-enough-arguments.rs
+++ b/tests/ui/not-enough-arguments.rs
@@ -1,20 +1,16 @@
+//@ aux-build: delegate_macro.rs
+extern crate delegate_macro;
+use delegate_macro::delegate;
+
 // Check that the only error msg we report is the
 // mismatch between the # of params, and not other
 // unrelated errors.
-
-fn foo(a: isize, b: isize, c: isize, d:isize) {
-  panic!();
+fn foo(a: isize, b: isize, c: isize, d: isize) {
+    panic!();
 }
 
 // Check that all arguments are shown in the error message, even if they're across multiple lines.
-fn bar(
-    a: i32,
-    b: i32,
-    c: i32,
-    d: i32,
-    e: i32,
-    f: i32,
-) {
+fn bar(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32) {
     println!("{}", a);
     println!("{}", b);
     println!("{}", c);
@@ -23,9 +19,35 @@ fn bar(
     println!("{}", f);
 }
 
+macro_rules! delegate_local {
+    ($method:ident) => {
+        <Self>::$method(8)
+        //~^ ERROR function takes 2 arguments but 1
+    };
+}
+
+macro_rules! delegate_from {
+    ($from:ident, $method:ident) => {
+        <$from>::$method(8)
+        //~^ ERROR function takes 2 arguments but 1
+    };
+}
+
+struct Bar;
+
+impl Bar {
+    fn foo(a: u8, b: u8) {}
+    fn bar() {
+        delegate_local!(foo);
+        delegate!(foo);
+        //~^ ERROR function takes 2 arguments but 1
+        delegate_from!(Bar, foo);
+    }
+}
+
 fn main() {
-  foo(1, 2, 3);
-  //~^ ERROR function takes 4 arguments but 3
-  bar(1, 2, 3);
-  //~^ ERROR function takes 6 arguments but 3
+    foo(1, 2, 3);
+    //~^ ERROR function takes 4 arguments but 3
+    bar(1, 2, 3);
+    //~^ ERROR function takes 6 arguments but 3
 }
diff --git a/tests/ui/not-enough-arguments.stderr b/tests/ui/not-enough-arguments.stderr
index 099d82eb935..908d0273bbe 100644
--- a/tests/ui/not-enough-arguments.stderr
+++ b/tests/ui/not-enough-arguments.stderr
@@ -1,42 +1,88 @@
+error[E0061]: this function takes 2 arguments but 1 argument was supplied
+  --> $DIR/not-enough-arguments.rs:24:9
+   |
+LL |         <Self>::$method(8)
+   |         ^^^^^^^^^^^^^^^--- argument #2 of type `u8` is missing
+...
+LL |         delegate_local!(foo);
+   |         -------------------- in this macro invocation
+   |
+note: associated function defined here
+  --> $DIR/not-enough-arguments.rs:39:8
+   |
+LL |     fn foo(a: u8, b: u8) {}
+   |        ^^^        -----
+   = note: this error originates in the macro `delegate_local` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: provide the argument
+   |
+LL |         <Self>::$method(8, /* u8 */)
+   |                          ++++++++++
+
+error[E0061]: this function takes 2 arguments but 1 argument was supplied
+  --> $DIR/not-enough-arguments.rs:42:9
+   |
+LL |         delegate!(foo);
+   |         ^^^^^^^^^^^^^^ argument #2 of type `u8` is missing
+   |
+note: associated function defined here
+  --> $DIR/not-enough-arguments.rs:39:8
+   |
+LL |     fn foo(a: u8, b: u8) {}
+   |        ^^^        -----
+   = note: this error originates in the macro `delegate` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0061]: this function takes 2 arguments but 1 argument was supplied
+  --> $DIR/not-enough-arguments.rs:31:9
+   |
+LL |         <$from>::$method(8)
+   |         ^^^^^^^^^^^^^^^^--- argument #2 of type `u8` is missing
+...
+LL |         delegate_from!(Bar, foo);
+   |         ------------------------ in this macro invocation
+   |
+note: associated function defined here
+  --> $DIR/not-enough-arguments.rs:39:8
+   |
+LL |     fn foo(a: u8, b: u8) {}
+   |        ^^^        -----
+   = note: this error originates in the macro `delegate_from` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: provide the argument
+   |
+LL |         <$from>::$method(8, /* u8 */)
+   |                           ++++++++++
+
 error[E0061]: this function takes 4 arguments but 3 arguments were supplied
-  --> $DIR/not-enough-arguments.rs:27:3
+  --> $DIR/not-enough-arguments.rs:49:5
    |
-LL |   foo(1, 2, 3);
-   |   ^^^--------- argument #4 of type `isize` is missing
+LL |     foo(1, 2, 3);
+   |     ^^^--------- argument #4 of type `isize` is missing
    |
 note: function defined here
-  --> $DIR/not-enough-arguments.rs:5:4
+  --> $DIR/not-enough-arguments.rs:8:4
    |
-LL | fn foo(a: isize, b: isize, c: isize, d:isize) {
-   |    ^^^                               -------
+LL | fn foo(a: isize, b: isize, c: isize, d: isize) {
+   |    ^^^                               --------
 help: provide the argument
    |
-LL |   foo(1, 2, 3, /* isize */);
-   |              +++++++++++++
+LL |     foo(1, 2, 3, /* isize */);
+   |                +++++++++++++
 
 error[E0061]: this function takes 6 arguments but 3 arguments were supplied
-  --> $DIR/not-enough-arguments.rs:29:3
+  --> $DIR/not-enough-arguments.rs:51:5
    |
-LL |   bar(1, 2, 3);
-   |   ^^^--------- three arguments of type `i32`, `i32`, and `i32` are missing
+LL |     bar(1, 2, 3);
+   |     ^^^--------- three arguments of type `i32`, `i32`, and `i32` are missing
    |
 note: function defined here
-  --> $DIR/not-enough-arguments.rs:10:4
+  --> $DIR/not-enough-arguments.rs:13:4
    |
-LL | fn bar(
-   |    ^^^
-...
-LL |     d: i32,
-   |     ------
-LL |     e: i32,
-   |     ------
-LL |     f: i32,
-   |     ------
+LL | fn bar(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32) {
+   |    ^^^                         ------  ------  ------
 help: provide the arguments
    |
-LL |   bar(1, 2, 3, /* i32 */, /* i32 */, /* i32 */);
-   |              +++++++++++++++++++++++++++++++++
+LL |     bar(1, 2, 3, /* i32 */, /* i32 */, /* i32 */);
+   |                +++++++++++++++++++++++++++++++++
 
-error: aborting due to 2 previous errors
+error: aborting due to 5 previous errors
 
 For more information about this error, try `rustc --explain E0061`.
diff --git a/tests/ui/repeat-expr/copy-check-when-count-inferred-later.rs b/tests/ui/repeat-expr/copy-check-when-count-inferred-later.rs
new file mode 100644
index 00000000000..b9d123cbefa
--- /dev/null
+++ b/tests/ui/repeat-expr/copy-check-when-count-inferred-later.rs
@@ -0,0 +1,11 @@
+#![feature(generic_arg_infer)]
+
+// Test that we enforce repeat expr element types are `Copy` even
+// when the repeat count is only inferred at a later point in type
+// checking.
+
+fn main() {
+    let a = [String::new(); _];
+    //~^ ERROR: the trait bound `String: Copy` is not satisfied
+    let b: [_; 2] = a;
+}
diff --git a/tests/ui/repeat-expr/copy-check-when-count-inferred-later.stderr b/tests/ui/repeat-expr/copy-check-when-count-inferred-later.stderr
new file mode 100644
index 00000000000..d974f5add50
--- /dev/null
+++ b/tests/ui/repeat-expr/copy-check-when-count-inferred-later.stderr
@@ -0,0 +1,14 @@
+error[E0277]: the trait bound `String: Copy` is not satisfied
+  --> $DIR/copy-check-when-count-inferred-later.rs:8:14
+   |
+LL |     let a = [String::new(); _];
+   |              ^^^^^^^^^^^^^
+   |              |
+   |              the trait `Copy` is not implemented for `String`
+   |              help: create an inline `const` block: `const { String::new() }`
+   |
+   = note: the `Copy` trait is required because this value will be copied for each element of the array
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.rs b/tests/ui/self/arbitrary-self-types-dyn-incompatible.rs
index 0477d9d79c7..b223f18327b 100644
--- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.rs
+++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.rs
@@ -28,7 +28,6 @@ impl Bar for usize {
 fn make_foo() {
     let x = Rc::new(5usize) as Rc<dyn Foo>;
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
 
 fn make_bar() {
diff --git a/tests/ui/self/arbitrary-self-types-dyn-incompatible.stderr b/tests/ui/self/arbitrary-self-types-dyn-incompatible.stderr
index 9fb4c80329d..fe4802c9b3a 100644
--- a/tests/ui/self/arbitrary-self-types-dyn-incompatible.stderr
+++ b/tests/ui/self/arbitrary-self-types-dyn-incompatible.stderr
@@ -1,11 +1,11 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/arbitrary-self-types-dyn-incompatible.rs:29:32
+  --> $DIR/arbitrary-self-types-dyn-incompatible.rs:29:39
    |
 LL |     fn foo(self: &Rc<Self>) -> usize;
    |                  --------- help: consider changing method `foo`'s `self` parameter to be `&self`: `&Self`
 ...
 LL |     let x = Rc::new(5usize) as Rc<dyn Foo>;
-   |                                ^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                                       ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -17,26 +17,6 @@ LL |     fn foo(self: &Rc<Self>) -> usize;
    |                  ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on
    = help: only type `usize` implements `Foo`; consider using it directly instead.
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/arbitrary-self-types-dyn-incompatible.rs:29:13
-   |
-LL |     fn foo(self: &Rc<Self>) -> usize;
-   |                  --------- help: consider changing method `foo`'s `self` parameter to be `&self`: `&Self`
-...
-LL |     let x = Rc::new(5usize) as Rc<dyn Foo>;
-   |             ^^^^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/arbitrary-self-types-dyn-incompatible.rs:4:18
-   |
-LL | trait Foo {
-   |       --- this trait is not dyn compatible...
-LL |     fn foo(self: &Rc<Self>) -> usize;
-   |                  ^^^^^^^^^ ...because method `foo`'s `self` parameter cannot be dispatched on
-   = help: only type `usize` implements `Foo`; consider using it directly instead.
-   = note: required for the cast from `Rc<usize>` to `Rc<dyn Foo>`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/statics/unsizing-wfcheck-issue-127299.rs b/tests/ui/statics/unsizing-wfcheck-issue-127299.rs
index fd07937d90f..14ba38d7535 100644
--- a/tests/ui/statics/unsizing-wfcheck-issue-127299.rs
+++ b/tests/ui/statics/unsizing-wfcheck-issue-127299.rs
@@ -12,6 +12,5 @@ pub struct Lint {
 static FOO: &Lint = &Lint { desc: "desc" };
 //~^ ERROR cannot be shared between threads safely
 //~| ERROR is not dyn compatible
-//~| ERROR is not dyn compatible
 
 fn main() {}
diff --git a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr
index 28427161e87..e401277a020 100644
--- a/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr
+++ b/tests/ui/statics/unsizing-wfcheck-issue-127299.stderr
@@ -51,7 +51,6 @@ LL | trait Qux {
    |       --- this trait is not dyn compatible...
 LL |     fn bar() -> i32;
    |        ^^^ ...because associated function `bar` has no `self` parameter
-   = note: required for the cast from `&'static str` to `&'static (dyn Qux + 'static)`
 help: consider turning `bar` into a method by giving it a `&self` argument
    |
 LL |     fn bar(&self) -> i32;
@@ -61,30 +60,7 @@ help: alternatively, consider constraining `bar` so it does not apply to trait o
 LL |     fn bar() -> i32 where Self: Sized;
    |                     +++++++++++++++++
 
-error[E0038]: the trait `Qux` is not dyn compatible
-  --> $DIR/unsizing-wfcheck-issue-127299.rs:12:35
-   |
-LL | static FOO: &Lint = &Lint { desc: "desc" };
-   |                                   ^^^^^^ `Qux` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/unsizing-wfcheck-issue-127299.rs:4:8
-   |
-LL | trait Qux {
-   |       --- this trait is not dyn compatible...
-LL |     fn bar() -> i32;
-   |        ^^^ ...because associated function `bar` has no `self` parameter
-help: consider turning `bar` into a method by giving it a `&self` argument
-   |
-LL |     fn bar(&self) -> i32;
-   |            +++++
-help: alternatively, consider constraining `bar` so it does not apply to trait objects
-   |
-LL |     fn bar() -> i32 where Self: Sized;
-   |                     +++++++++++++++++
-
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0038, E0277.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/issue-20692.rs b/tests/ui/traits/issue-20692.rs
index 10611a232f7..79edc389ec4 100644
--- a/tests/ui/traits/issue-20692.rs
+++ b/tests/ui/traits/issue-20692.rs
@@ -2,7 +2,6 @@ trait Array: Sized + Copy {}
 
 fn f<T: Array>(x: &T) {
     let _ = x
-    //~^ ERROR `Array` is not dyn compatible
     as
     &dyn Array;
     //~^ ERROR `Array` is not dyn compatible
diff --git a/tests/ui/traits/issue-20692.stderr b/tests/ui/traits/issue-20692.stderr
index 32e29de49a1..d4a18899dcb 100644
--- a/tests/ui/traits/issue-20692.stderr
+++ b/tests/ui/traits/issue-20692.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Array` is not dyn compatible
-  --> $DIR/issue-20692.rs:7:5
+  --> $DIR/issue-20692.rs:6:10
    |
 LL |     &dyn Array;
-   |     ^^^^^^^^^^ `Array` is not dyn compatible
+   |          ^^^^^ `Array` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -14,23 +14,6 @@ LL | trait Array: Sized + Copy {}
    |       |      ...because it requires `Self: Sized`
    |       this trait is not dyn compatible...
 
-error[E0038]: the trait `Array` is not dyn compatible
-  --> $DIR/issue-20692.rs:4:13
-   |
-LL |     let _ = x
-   |             ^ `Array` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-20692.rs:1:14
-   |
-LL | trait Array: Sized + Copy {}
-   |       -----  ^^^^^   ^^^^ ...because it requires `Self: Sized`
-   |       |      |
-   |       |      ...because it requires `Self: Sized`
-   |       this trait is not dyn compatible...
-   = note: required for the cast from `&T` to `&dyn Array`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/issue-38604.rs b/tests/ui/traits/issue-38604.rs
index d90aa61ef9f..70f0ef0cb9c 100644
--- a/tests/ui/traits/issue-38604.rs
+++ b/tests/ui/traits/issue-38604.rs
@@ -12,5 +12,5 @@ impl Foo for () {
 
 fn main() {
     let _f: Box<dyn Foo> = //~ ERROR `Foo` is not dyn compatible
-        Box::new(()); //~ ERROR `Foo` is not dyn compatible
+        Box::new(());
 }
diff --git a/tests/ui/traits/issue-38604.stderr b/tests/ui/traits/issue-38604.stderr
index e6a6b44e730..0f39dc536eb 100644
--- a/tests/ui/traits/issue-38604.stderr
+++ b/tests/ui/traits/issue-38604.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/issue-38604.rs:14:13
+  --> $DIR/issue-38604.rs:14:21
    |
 LL |     let _f: Box<dyn Foo> =
-   |             ^^^^^^^^^^^^ `Foo` is not dyn compatible
+   |                     ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -14,23 +14,6 @@ LL | trait Foo where u32: Q<Self> {
    |       this trait is not dyn compatible...
    = help: only type `()` implements `Foo`; consider using it directly instead.
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/issue-38604.rs:15:9
-   |
-LL |         Box::new(());
-   |         ^^^^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-38604.rs:2:22
-   |
-LL | trait Foo where u32: Q<Self> {
-   |       ---            ^^^^^^^ ...because it uses `Self` as a type parameter
-   |       |
-   |       this trait is not dyn compatible...
-   = help: only type `()` implements `Foo`; consider using it directly instead.
-   = note: required for the cast from `Box<()>` to `Box<dyn Foo>`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/item-privacy.rs b/tests/ui/traits/item-privacy.rs
index cdfd667a6f1..9f75e6e4c12 100644
--- a/tests/ui/traits/item-privacy.rs
+++ b/tests/ui/traits/item-privacy.rs
@@ -99,9 +99,7 @@ fn check_assoc_const() {
     S::C; // OK
     // A, B, C are resolved as inherent items, their traits don't need to be in scope
     <dyn C>::A;
-    //~^ ERROR associated constant `A` is private
-    //~| ERROR the trait `assoc_const::C` is not dyn compatible
-    //~| ERROR the trait `assoc_const::C` is not dyn compatible
+    //~^ ERROR the trait `assoc_const::C` is not dyn compatible
     <dyn C>::B;
     //~^ ERROR the trait `assoc_const::C` is not dyn compatible
     C::C; // OK
diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr
index 1d3d8cb9843..bf59cd079a5 100644
--- a/tests/ui/traits/item-privacy.stderr
+++ b/tests/ui/traits/item-privacy.stderr
@@ -131,44 +131,10 @@ LL + use assoc_const::B;
    |
 
 error[E0038]: the trait `assoc_const::C` is not dyn compatible
-  --> $DIR/item-privacy.rs:101:6
+  --> $DIR/item-privacy.rs:101:10
    |
 LL |     <dyn C>::A;
-   |      ^^^^^ `assoc_const::C` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/item-privacy.rs:25:15
-   |
-LL |         const A: u8 = 0;
-   |               ^ ...because it contains this associated `const`
-...
-LL |         const B: u8 = 0;
-   |               ^ ...because it contains this associated `const`
-...
-LL |     pub trait C: A + B {
-   |               - this trait is not dyn compatible...
-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
-   = help: only type `S` implements `assoc_const::C`; consider using it directly instead.
-
-error[E0624]: associated constant `A` is private
-  --> $DIR/item-privacy.rs:101:14
-   |
-LL |         const A: u8 = 0;
-   |         ----------- private associated constant defined here
-...
-LL |     <dyn C>::A;
-   |              ^ private associated constant
-
-error[E0038]: the trait `assoc_const::C` is not dyn compatible
-  --> $DIR/item-privacy.rs:101:5
-   |
-LL |     <dyn C>::A;
-   |     ^^^^^^^^^^ `assoc_const::C` is not dyn compatible
+   |          ^ `assoc_const::C` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -190,10 +156,10 @@ LL |         const C: u8 = 0;
    = help: only type `S` implements `assoc_const::C`; consider using it directly instead.
 
 error[E0038]: the trait `assoc_const::C` is not dyn compatible
-  --> $DIR/item-privacy.rs:105:5
+  --> $DIR/item-privacy.rs:103:10
    |
 LL |     <dyn C>::B;
-   |     ^^^^^^^^^^ `assoc_const::C` is not dyn compatible
+   |          ^ `assoc_const::C` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -215,7 +181,7 @@ LL |         const C: u8 = 0;
    = help: only type `S` implements `assoc_const::C`; consider using it directly instead.
 
 error[E0223]: ambiguous associated type
-  --> $DIR/item-privacy.rs:118:12
+  --> $DIR/item-privacy.rs:116:12
    |
 LL |     let _: S::A;
    |            ^^^^
@@ -227,7 +193,7 @@ LL +     let _: <S as Example>::A;
    |
 
 error[E0223]: ambiguous associated type
-  --> $DIR/item-privacy.rs:119:12
+  --> $DIR/item-privacy.rs:117:12
    |
 LL |     let _: S::B;
    |            ^^^^
@@ -239,7 +205,7 @@ LL +     let _: <S as assoc_ty::B>::B;
    |
 
 error[E0223]: ambiguous associated type
-  --> $DIR/item-privacy.rs:120:12
+  --> $DIR/item-privacy.rs:118:12
    |
 LL |     let _: S::C;
    |            ^^^^
@@ -251,7 +217,7 @@ LL +     let _: <S as assoc_ty::C>::C;
    |
 
 error[E0624]: associated type `A` is private
-  --> $DIR/item-privacy.rs:122:12
+  --> $DIR/item-privacy.rs:120:12
    |
 LL |         type A = u8;
    |         ------ the associated type is defined here
@@ -260,7 +226,7 @@ LL |     let _: T::A;
    |            ^^^^ private associated type
 
 error[E0624]: associated type `A` is private
-  --> $DIR/item-privacy.rs:131:9
+  --> $DIR/item-privacy.rs:129:9
    |
 LL |         type A = u8;
    |         ------ the associated type is defined here
@@ -268,7 +234,7 @@ LL |         type A = u8;
 LL |         A = u8,
    |         ^^^^^^ private associated type
 
-error: aborting due to 17 previous errors
+error: aborting due to 15 previous errors
 
 Some errors have detailed explanations: E0038, E0223, E0599, E0624.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs
index 28785ae3dea..96345732f0f 100644
--- a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs
+++ b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.rs
@@ -18,7 +18,5 @@ impl<T: ?Sized> Bar<T> for () {}
 fn main() {
     let x: &dyn Foo = &();
     //~^ ERROR the trait `Foo` is not dyn compatible
-    //~| ERROR the trait `Foo` is not dyn compatible
     needs_bar(x);
-    //~^ ERROR the trait `Foo` is not dyn compatible
 }
diff --git a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr
index 43b69d0b50e..aead19c4527 100644
--- a/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr
+++ b/tests/ui/traits/non_lifetime_binders/supertrait-dyn-compatibility.stderr
@@ -8,10 +8,10 @@ LL | #![feature(non_lifetime_binders)]
    = note: `#[warn(incomplete_features)]` on by default
 
 error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/supertrait-dyn-compatibility.rs:19:23
+  --> $DIR/supertrait-dyn-compatibility.rs:19:17
    |
 LL |     let x: &dyn Foo = &();
-   |                       ^^^ `Foo` is not dyn compatible
+   |                 ^^^ `Foo` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -22,40 +22,7 @@ LL | trait Foo: for<T> Bar<T> {}
    |       |
    |       this trait is not dyn compatible...
    = help: only type `()` implements `Foo`; consider using it directly instead.
-   = note: required for the cast from `&()` to `&dyn Foo`
 
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/supertrait-dyn-compatibility.rs:19:12
-   |
-LL |     let x: &dyn Foo = &();
-   |            ^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/supertrait-dyn-compatibility.rs:4:12
-   |
-LL | trait Foo: for<T> Bar<T> {}
-   |       ---  ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables
-   |       |
-   |       this trait is not dyn compatible...
-   = help: only type `()` implements `Foo`; consider using it directly instead.
-
-error[E0038]: the trait `Foo` is not dyn compatible
-  --> $DIR/supertrait-dyn-compatibility.rs:22:5
-   |
-LL |     needs_bar(x);
-   |     ^^^^^^^^^ `Foo` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/supertrait-dyn-compatibility.rs:4:12
-   |
-LL | trait Foo: for<T> Bar<T> {}
-   |       ---  ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables
-   |       |
-   |       this trait is not dyn compatible...
-   = help: only type `()` implements `Foo`; consider using it directly instead.
-
-error: aborting due to 3 previous errors; 1 warning emitted
+error: aborting due to 1 previous error; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs
index 6fcd67b4950..9ac3b84dc12 100644
--- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs
+++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs
@@ -9,8 +9,6 @@ trait Try {
 fn w<'a, T: 'a, F: Fn(&'a T)>() {
     let b: &dyn FromResidual = &();
     //~^ ERROR: the trait `FromResidual` is not dyn compatible
-    //~| ERROR: the trait `FromResidual` is not dyn compatible
-    //~| ERROR the type parameter `R` must be explicitly specified
 }
 
 fn main() {}
diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr
index b4bbd65b2f4..707aa9e9713 100644
--- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr
+++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr
@@ -1,47 +1,8 @@
-error[E0393]: the type parameter `R` must be explicitly specified
-  --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:17
-   |
-LL | trait FromResidual<R = <Self as Try>::Residual> {
-   | ----------------------------------------------- type parameter `R` must be specified for this
-...
-LL |     let b: &dyn FromResidual = &();
-   |                 ^^^^^^^^^^^^
-   |
-   = note: because the parameter default references `Self`, the parameter must be specified on the object type
-help: set the type parameter to the desired type
-   |
-LL |     let b: &dyn FromResidual<R> = &();
-   |                             +++
-
 error[E0038]: the trait `FromResidual` is not dyn compatible
-  --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:32
-   |
-LL |     let b: &dyn FromResidual = &();
-   |                                ^^^ `FromResidual` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:2:8
-   |
-LL | trait FromResidual<R = <Self as Try>::Residual> {
-   |       ------------ this trait is not dyn compatible...
-LL |     fn from_residual(residual: R) -> Self;
-   |        ^^^^^^^^^^^^^ ...because associated function `from_residual` has no `self` parameter
-   = note: required for the cast from `&()` to `&dyn FromResidual<{type error}>`
-help: consider turning `from_residual` into a method by giving it a `&self` argument
-   |
-LL |     fn from_residual(&self, residual: R) -> Self;
-   |                      ++++++
-help: alternatively, consider constraining `from_residual` so it does not apply to trait objects
-   |
-LL |     fn from_residual(residual: R) -> Self where Self: Sized;
-   |                                           +++++++++++++++++
-
-error[E0038]: the trait `FromResidual` is not dyn compatible
-  --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:12
+  --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:17
    |
 LL |     let b: &dyn FromResidual = &();
-   |            ^^^^^^^^^^^^^^^^^ `FromResidual` is not dyn compatible
+   |                 ^^^^^^^^^^^^ `FromResidual` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -60,7 +21,6 @@ help: alternatively, consider constraining `from_residual` so it does not apply
 LL |     fn from_residual(residual: R) -> Self where Self: Sized;
    |                                           +++++++++++++++++
 
-error: aborting due to 3 previous errors
+error: aborting due to 1 previous error
 
-Some errors have detailed explanations: E0038, E0393.
-For more information about an error, try `rustc --explain E0038`.
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/object/macro-matcher.stderr b/tests/ui/traits/object/macro-matcher.stderr
index 3c668ce99c7..94d5c189a43 100644
--- a/tests/ui/traits/object/macro-matcher.stderr
+++ b/tests/ui/traits/object/macro-matcher.stderr
@@ -1,19 +1,19 @@
-error[E0224]: at least one trait is required for an object type
-  --> $DIR/macro-matcher.rs:11:8
-   |
-LL |     m!(dyn 'static +);
-   |        ^^^^^^^^^^^^^
-
 error[E0038]: the trait `Copy` is not dyn compatible
-  --> $DIR/macro-matcher.rs:8:8
+  --> $DIR/macro-matcher.rs:8:12
    |
 LL |     m!(dyn Copy + Send + 'static);
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ `Copy` is not dyn compatible
+   |            ^^^^ `Copy` is not dyn compatible
    |
    = note: the trait is not dyn compatible because it requires `Self: Sized`
    = note: for a trait to be dyn compatible it needs to allow building a vtable
            for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
 
+error[E0224]: at least one trait is required for an object type
+  --> $DIR/macro-matcher.rs:11:8
+   |
+LL |     m!(dyn 'static +);
+   |        ^^^^^^^^^^^^^
+
 error: aborting due to 2 previous errors
 
 Some errors have detailed explanations: E0038, E0224.
diff --git a/tests/ui/traits/object/safety.rs b/tests/ui/traits/object/safety.rs
index f4abcf8542e..ec039557b63 100644
--- a/tests/ui/traits/object/safety.rs
+++ b/tests/ui/traits/object/safety.rs
@@ -13,5 +13,4 @@ impl Tr for St {
 
 fn main() {
     let _: &dyn Tr = &St; //~ ERROR E0038
-    //~^ ERROR E0038
 }
diff --git a/tests/ui/traits/object/safety.stderr b/tests/ui/traits/object/safety.stderr
index 593e42619f4..c5637b43526 100644
--- a/tests/ui/traits/object/safety.stderr
+++ b/tests/ui/traits/object/safety.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `Tr` is not dyn compatible
-  --> $DIR/safety.rs:15:22
+  --> $DIR/safety.rs:15:17
    |
 LL |     let _: &dyn Tr = &St;
-   |                      ^^^ `Tr` is not dyn compatible
+   |                 ^^ `Tr` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -13,7 +13,6 @@ LL | trait Tr {
 LL |     fn foo();
    |        ^^^ ...because associated function `foo` has no `self` parameter
    = help: only type `St` implements `Tr`; consider using it directly instead.
-   = note: required for the cast from `&St` to `&dyn Tr`
 help: consider turning `foo` into a method by giving it a `&self` argument
    |
 LL |     fn foo(&self);
@@ -23,30 +22,6 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o
 LL |     fn foo() where Self: Sized;
    |              +++++++++++++++++
 
-error[E0038]: the trait `Tr` is not dyn compatible
-  --> $DIR/safety.rs:15:12
-   |
-LL |     let _: &dyn Tr = &St;
-   |            ^^^^^^^ `Tr` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/safety.rs:4:8
-   |
-LL | trait Tr {
-   |       -- this trait is not dyn compatible...
-LL |     fn foo();
-   |        ^^^ ...because associated function `foo` has no `self` parameter
-   = help: only type `St` implements `Tr`; consider using it directly instead.
-help: consider turning `foo` into a method by giving it a `&self` argument
-   |
-LL |     fn foo(&self);
-   |            +++++
-help: alternatively, consider constraining `foo` so it does not apply to trait objects
-   |
-LL |     fn foo() where Self: Sized;
-   |              +++++++++++++++++
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/traits/test-2.rs b/tests/ui/traits/test-2.rs
index 4ee880da87a..1b7fc55b99a 100644
--- a/tests/ui/traits/test-2.rs
+++ b/tests/ui/traits/test-2.rs
@@ -12,5 +12,4 @@ fn main() {
     //~^ ERROR method takes 1 generic argument but 2
     (Box::new(10) as Box<dyn bar>).dup();
     //~^ ERROR E0038
-    //~| ERROR E0038
 }
diff --git a/tests/ui/traits/test-2.stderr b/tests/ui/traits/test-2.stderr
index b52839c300e..6a8109281a8 100644
--- a/tests/ui/traits/test-2.stderr
+++ b/tests/ui/traits/test-2.stderr
@@ -27,10 +27,10 @@ LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
    |                                       ^^^^ -
 
 error[E0038]: the trait `bar` is not dyn compatible
-  --> $DIR/test-2.rs:13:22
+  --> $DIR/test-2.rs:13:30
    |
 LL |     (Box::new(10) as Box<dyn bar>).dup();
-   |                      ^^^^^^^^^^^^ `bar` is not dyn compatible
+   |                              ^^^ `bar` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -49,31 +49,7 @@ LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
            consider defining an enum where each variant holds one of these types,
            implementing `bar` for this new enum and using it instead
 
-error[E0038]: the trait `bar` is not dyn compatible
-  --> $DIR/test-2.rs:13:6
-   |
-LL |     (Box::new(10) as Box<dyn bar>).dup();
-   |      ^^^^^^^^^^^^ `bar` is not dyn compatible
-   |
-note: for a trait to be dyn compatible it needs to allow building a vtable
-      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/test-2.rs:4:30
-   |
-LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
-   |       ---                    ^^^^     ^^^^ ...because method `blah` has generic type parameters
-   |       |                      |
-   |       |                      ...because method `dup` references the `Self` type in its return type
-   |       this trait is not dyn compatible...
-   = help: consider moving `dup` to another trait
-   = help: consider moving `blah` to another trait
-   = help: the following types implement `bar`:
-             i32
-             u32
-           consider defining an enum where each variant holds one of these types,
-           implementing `bar` for this new enum and using it instead
-   = note: required for the cast from `Box<{integer}>` to `Box<dyn bar>`
-
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 
 Some errors have detailed explanations: E0038, E0107.
 For more information about an error, try `rustc --explain E0038`.
diff --git a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.rs b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.rs
index 444453dc694..b877ef569f6 100644
--- a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.rs
+++ b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.rs
@@ -13,5 +13,4 @@ fn main() {
     let x: i32 = 5;
     let y = x as dyn MyAdd<i32>;
     //~^ ERROR E0038
-    //~| ERROR cast to unsized type: `i32` as `dyn MyAdd<i32>`
 }
diff --git a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
index eea2e75a238..33478740d65 100644
--- a/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
+++ b/tests/ui/type/type-parameter-defaults-referencing-Self-ppaux.stderr
@@ -1,20 +1,8 @@
-error[E0620]: cast to unsized type: `i32` as `dyn MyAdd<i32>`
-  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
-   |
-LL |     let y = x as dyn MyAdd<i32>;
-   |             ^^^^^^^^^^^^^^^^^^^
-   |
-help: consider using a box or reference as appropriate
-  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
-   |
-LL |     let y = x as dyn MyAdd<i32>;
-   |             ^
-
 error[E0038]: the trait `MyAdd` is not dyn compatible
-  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:18
+  --> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:22
    |
 LL |     let y = x as dyn MyAdd<i32>;
-   |                  ^^^^^^^^^^^^^^ `MyAdd` is not dyn compatible
+   |                      ^^^^^^^^^^ `MyAdd` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
@@ -25,7 +13,6 @@ LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; }
    = help: consider moving `add` to another trait
    = help: only type `i32` implements `MyAdd`; consider using it directly instead.
 
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
-Some errors have detailed explanations: E0038, E0620.
-For more information about an error, try `rustc --explain E0038`.
+For more information about this error, try `rustc --explain E0038`.
diff --git a/tests/ui/unsafe-binders/cat-projection.rs b/tests/ui/unsafe-binders/cat-projection.rs
new file mode 100644
index 00000000000..dd7a78d59b3
--- /dev/null
+++ b/tests/ui/unsafe-binders/cat-projection.rs
@@ -0,0 +1,21 @@
+//@ check-pass
+
+#![feature(unsafe_binders)]
+#![allow(incomplete_features)]
+
+use std::unsafe_binder::unwrap_binder;
+
+#[derive(Copy, Clone)]
+pub struct S([usize; 8]);
+
+// Regression test for <https://github.com/rust-lang/rust/issues/141418>.
+pub fn by_value(x: unsafe<'a> S) -> usize {
+    unsafe { (|| unwrap_binder!(x).0[0])() }
+}
+
+// Regression test for <https://github.com/rust-lang/rust/issues/141417>.
+pub fn by_ref(x: unsafe<'a> &'a S) -> usize {
+    unsafe { (|| unwrap_binder!(x).0[0])() }
+}
+
+fn main() {}
diff --git a/tests/ui/unsafe/move-out-of-non-copy.rs b/tests/ui/unsafe/move-out-of-non-copy.rs
new file mode 100644
index 00000000000..ca6bf4277a1
--- /dev/null
+++ b/tests/ui/unsafe/move-out-of-non-copy.rs
@@ -0,0 +1,15 @@
+//@ compile-flags: -Zvalidate-mir
+
+// Regression test for <https://github.com/rust-lang/rust/issues/141394>.
+
+#![feature(unsafe_binders)]
+#![allow(incomplete_features)]
+
+use std::unsafe_binder::unwrap_binder;
+
+fn id<T>(x: unsafe<> T) -> T {
+    //~^ ERROR the trait bound `T: Copy` is not satisfied
+    unsafe { unwrap_binder!(x) }
+}
+
+fn main() {}
diff --git a/tests/ui/unsafe/move-out-of-non-copy.stderr b/tests/ui/unsafe/move-out-of-non-copy.stderr
new file mode 100644
index 00000000000..4598742c92b
--- /dev/null
+++ b/tests/ui/unsafe/move-out-of-non-copy.stderr
@@ -0,0 +1,14 @@
+error[E0277]: the trait bound `T: Copy` is not satisfied
+  --> $DIR/move-out-of-non-copy.rs:10:13
+   |
+LL | fn id<T>(x: unsafe<> T) -> T {
+   |             ^^^^^^^^^^ the trait `Copy` is not implemented for `T`
+   |
+help: consider restricting type parameter `T` with trait `Copy`
+   |
+LL | fn id<T: std::marker::Copy>(x: unsafe<> T) -> T {
+   |        +++++++++++++++++++
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/tests/ui/wf/wf-dyn-incompatible.stderr b/tests/ui/wf/wf-dyn-incompatible.stderr
index e61b37d9293..2ba17b7aaef 100644
--- a/tests/ui/wf/wf-dyn-incompatible.stderr
+++ b/tests/ui/wf/wf-dyn-incompatible.stderr
@@ -1,8 +1,8 @@
 error[E0038]: the trait `A` is not dyn compatible
-  --> $DIR/wf-dyn-incompatible.rs:9:13
+  --> $DIR/wf-dyn-incompatible.rs:9:18
    |
 LL |     let _x: &dyn A;
-   |             ^^^^^^ `A` is not dyn compatible
+   |                  ^ `A` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>