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-rw-r--r--tests/ui/attributes/malformed-attrs.rs7
-rw-r--r--tests/ui/attributes/malformed-attrs.stderr29
-rw-r--r--tests/ui/darwin-ld64.rs24
-rw-r--r--tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr12
-rw-r--r--tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.rs30
-rw-r--r--tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.stderr53
-rw-r--r--tests/ui/lint/lint_map_unit_fn.stderr25
-rw-r--r--tests/ui/lint/unused/unused-attr-duplicate.stderr24
-rw-r--r--tests/ui/malformed/malformed-regressions.stderr18
9 files changed, 172 insertions, 50 deletions
diff --git a/tests/ui/attributes/malformed-attrs.rs b/tests/ui/attributes/malformed-attrs.rs
index dbe9c35b0a4..a09fe86557d 100644
--- a/tests/ui/attributes/malformed-attrs.rs
+++ b/tests/ui/attributes/malformed-attrs.rs
@@ -219,4 +219,11 @@ macro_rules! slump {
     () => {}
 }
 
+#[ignore = 1]
+//~^ ERROR valid forms for the attribute are
+//~| WARN this was previously accepted by the compiler
+fn thing() {
+
+}
+
 fn main() {}
diff --git a/tests/ui/attributes/malformed-attrs.stderr b/tests/ui/attributes/malformed-attrs.stderr
index 32b0ddf87ba..9fe4f45b3ef 100644
--- a/tests/ui/attributes/malformed-attrs.stderr
+++ b/tests/ui/attributes/malformed-attrs.stderr
@@ -309,15 +309,6 @@ LL | #[link]
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
 
-error: valid forms for the attribute are `#[ignore]` and `#[ignore = "reason"]`
-  --> $DIR/malformed-attrs.rs:93:1
-   |
-LL | #[ignore()]
-   | ^^^^^^^^^^^
-   |
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
-
 error: invalid argument
   --> $DIR/malformed-attrs.rs:187:1
    |
@@ -600,6 +591,24 @@ LL | #[inline = 5]
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
 
+error: valid forms for the attribute are `#[ignore = "reason"]` and `#[ignore]`
+  --> $DIR/malformed-attrs.rs:93:1
+   |
+LL | #[ignore()]
+   | ^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
+
+error: valid forms for the attribute are `#[ignore = "reason"]` and `#[ignore]`
+  --> $DIR/malformed-attrs.rs:222:1
+   |
+LL | #[ignore = 1]
+   | ^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
+
 error[E0308]: mismatched types
   --> $DIR/malformed-attrs.rs:110:23
    |
@@ -611,7 +620,7 @@ LL |     #[coroutine = 63] || {}
    = note: expected unit type `()`
               found coroutine `{coroutine@$DIR/malformed-attrs.rs:110:23: 110:25}`
 
-error: aborting due to 73 previous errors; 3 warnings emitted
+error: aborting due to 74 previous errors; 3 warnings emitted
 
 Some errors have detailed explanations: E0308, E0463, E0539, E0565, E0658, E0805.
 For more information about an error, try `rustc --explain E0308`.
diff --git a/tests/ui/darwin-ld64.rs b/tests/ui/darwin-ld64.rs
new file mode 100644
index 00000000000..75acc07a002
--- /dev/null
+++ b/tests/ui/darwin-ld64.rs
@@ -0,0 +1,24 @@
+//@ compile-flags: -Copt-level=3 -Ccodegen-units=256 -Clink-arg=-ld_classic
+//@ run-pass
+//@ only-x86_64-apple-darwin
+
+// This is a regression test for https://github.com/rust-lang/rust/issues/140686.
+// Although this is a ld64(ld-classic) bug, we still need to support it
+// due to cross-compilation and support for older Xcode.
+
+fn main() {
+    let dst: Vec<u8> = Vec::new();
+    let len = broken_func(std::hint::black_box(2), dst);
+    assert_eq!(len, 8);
+}
+
+#[inline(never)]
+pub fn broken_func(version: usize, mut dst: Vec<u8>) -> usize {
+    match version {
+        1 => dst.extend_from_slice(b"aaaaaaaa"),
+        2 => dst.extend_from_slice(b"bbbbbbbb"),
+        3 => dst.extend_from_slice(b"bbbbbbbb"),
+        _ => panic!(),
+    }
+    dst.len()
+}
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
index 9280dfdf92e..5d7d1caeeab 100644
--- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
+++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
@@ -367,12 +367,6 @@ warning: `#[should_panic]` only has an effect on functions
 LL | #![should_panic]
    | ^^^^^^^^^^^^^^^^
 
-warning: `#[ignore]` only has an effect on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:54:1
-   |
-LL | #![ignore]
-   | ^^^^^^^^^^
-
 warning: `#[proc_macro_derive]` only has an effect on functions
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:60:1
    |
@@ -387,6 +381,12 @@ LL | #![link()]
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
+warning: `#[ignore]` only has an effect on functions
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:54:1
+   |
+LL | #![ignore]
+   | ^^^^^^^^^^
+
 warning: attribute should be applied to a foreign function or static
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:66:1
    |
diff --git a/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.rs b/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.rs
new file mode 100644
index 00000000000..4fddd7c4ac8
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.rs
@@ -0,0 +1,30 @@
+// issue#140796
+
+trait Bar {
+    fn method() -> impl Sized;
+    fn method() -> impl Sized;  //~ ERROR: the name `method` is defined multiple times
+}
+
+impl Bar for () {               //~ ERROR: not all trait items implemented, missing: `method`
+    fn method() -> impl Sized {
+        42
+    }
+    fn method() -> impl Sized { //~ ERROR: duplicate definitions with name `method`
+        42
+    }
+}
+
+trait T {
+    fn method() -> impl Sized;
+}
+
+impl T for () {
+    fn method() -> impl Sized {
+        42
+    }
+    fn method() -> impl Sized { //~ ERROR: duplicate definitions with name `method`
+        42
+    }
+}
+
+fn main() {}
diff --git a/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.stderr b/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.stderr
new file mode 100644
index 00000000000..b58e8136479
--- /dev/null
+++ b/tests/ui/impl-trait/in-trait/rpitit-duplicate-associated-fn.stderr
@@ -0,0 +1,53 @@
+error[E0428]: the name `method` is defined multiple times
+  --> $DIR/rpitit-duplicate-associated-fn.rs:5:5
+   |
+LL |     fn method() -> impl Sized;
+   |     -------------------------- previous definition of the value `method` here
+LL |     fn method() -> impl Sized;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ `method` redefined here
+   |
+   = note: `method` must be defined only once in the value namespace of this trait
+
+error[E0201]: duplicate definitions with name `method`:
+  --> $DIR/rpitit-duplicate-associated-fn.rs:12:5
+   |
+LL |       fn method() -> impl Sized;
+   |       -------------------------- item in trait
+...
+LL | /     fn method() -> impl Sized {
+LL | |         42
+LL | |     }
+   | |_____- previous definition here
+LL | /     fn method() -> impl Sized {
+LL | |         42
+LL | |     }
+   | |_____^ duplicate definition
+
+error[E0201]: duplicate definitions with name `method`:
+  --> $DIR/rpitit-duplicate-associated-fn.rs:25:5
+   |
+LL |       fn method() -> impl Sized;
+   |       -------------------------- item in trait
+...
+LL | /     fn method() -> impl Sized {
+LL | |         42
+LL | |     }
+   | |_____- previous definition here
+LL | /     fn method() -> impl Sized {
+LL | |         42
+LL | |     }
+   | |_____^ duplicate definition
+
+error[E0046]: not all trait items implemented, missing: `method`
+  --> $DIR/rpitit-duplicate-associated-fn.rs:8:1
+   |
+LL |     fn method() -> impl Sized;
+   |     -------------------------- `method` from trait
+...
+LL | impl Bar for () {
+   | ^^^^^^^^^^^^^^^ missing `method` in implementation
+
+error: aborting due to 4 previous errors
+
+Some errors have detailed explanations: E0046, E0201, E0428.
+For more information about an error, try `rustc --explain E0046`.
diff --git a/tests/ui/lint/lint_map_unit_fn.stderr b/tests/ui/lint/lint_map_unit_fn.stderr
index 91542af0f6d..930ecd30d1d 100644
--- a/tests/ui/lint/lint_map_unit_fn.stderr
+++ b/tests/ui/lint/lint_map_unit_fn.stderr
@@ -25,19 +25,18 @@ LL +     x.iter_mut().for_each(foo);
 error: `Iterator::map` call that discard the iterator's values
   --> $DIR/lint_map_unit_fn.rs:11:18
    |
-LL |         x.iter_mut().map(|items| {
-   |                      ^   -------
-   |                      |   |
-   |  ____________________|___this function returns `()`, which is likely not what you wanted
-   | |  __________________|
-   | | |
-LL | | |
-LL | | |         items.sort();
-LL | | |     });
-   | | |     -^ after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
-   | | |_____||
-   | |_______|
-   |         called `Iterator::map` with callable that returns `()`
+LL |        x.iter_mut().map(|items| {
+   |                     ^   -------
+   |                     |   |
+   |  ___________________|___this function returns `()`, which is likely not what you wanted
+   | | __________________|
+   | ||
+LL | ||
+LL | ||         items.sort();
+LL | ||     });
+   | ||_____-^ after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
+   | |______|
+   |        called `Iterator::map` with callable that returns `()`
    |
    = note: `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated
 help: you might have meant to use `Iterator::for_each`
diff --git a/tests/ui/lint/unused/unused-attr-duplicate.stderr b/tests/ui/lint/unused/unused-attr-duplicate.stderr
index eff478d04ae..275eb056305 100644
--- a/tests/ui/lint/unused/unused-attr-duplicate.stderr
+++ b/tests/ui/lint/unused/unused-attr-duplicate.stderr
@@ -41,18 +41,6 @@ LL | #[path = "auxiliary/lint_unused_extern_crate.rs"]
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 error: unused attribute
-  --> $DIR/unused-attr-duplicate.rs:53:1
-   |
-LL | #[ignore = "some text"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
-   |
-note: attribute also specified here
-  --> $DIR/unused-attr-duplicate.rs:52:1
-   |
-LL | #[ignore]
-   | ^^^^^^^^^
-
-error: unused attribute
   --> $DIR/unused-attr-duplicate.rs:55:1
    |
 LL | #[should_panic(expected = "values don't match")]
@@ -166,6 +154,18 @@ LL |     #[macro_export]
    |     ^^^^^^^^^^^^^^^
 
 error: unused attribute
+  --> $DIR/unused-attr-duplicate.rs:53:1
+   |
+LL | #[ignore = "some text"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
+   |
+note: attribute also specified here
+  --> $DIR/unused-attr-duplicate.rs:52:1
+   |
+LL | #[ignore]
+   | ^^^^^^^^^
+
+error: unused attribute
   --> $DIR/unused-attr-duplicate.rs:60:1
    |
 LL | #[must_use = "some message"]
diff --git a/tests/ui/malformed/malformed-regressions.stderr b/tests/ui/malformed/malformed-regressions.stderr
index 535db55a13d..8c22919a1c2 100644
--- a/tests/ui/malformed/malformed-regressions.stderr
+++ b/tests/ui/malformed/malformed-regressions.stderr
@@ -8,15 +8,6 @@ LL | #[doc]
    = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
    = note: `#[deny(ill_formed_attribute_input)]` on by default
 
-error: valid forms for the attribute are `#[ignore]` and `#[ignore = "reason"]`
-  --> $DIR/malformed-regressions.rs:3:1
-   |
-LL | #[ignore()]
-   | ^^^^^^^^^^^
-   |
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
-
 error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]`
   --> $DIR/malformed-regressions.rs:7:1
    |
@@ -35,6 +26,15 @@ LL | #[link = ""]
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
 
+error: valid forms for the attribute are `#[ignore = "reason"]` and `#[ignore]`
+  --> $DIR/malformed-regressions.rs:3:1
+   |
+LL | #[ignore()]
+   | ^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
+
 error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]`
   --> $DIR/malformed-regressions.rs:5:1
    |
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-01-14 18:45:13 +0000