From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/auto-traits/suspicious-impls-lint.stderr | 82 +++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 tests/ui/auto-traits/suspicious-impls-lint.stderr

(limited to 'tests/ui/auto-traits/suspicious-impls-lint.stderr')

diff --git a/tests/ui/auto-traits/suspicious-impls-lint.stderr b/tests/ui/auto-traits/suspicious-impls-lint.stderr
new file mode 100644
index 000000000..9cd4e79f8
--- /dev/null
+++ b/tests/ui/auto-traits/suspicious-impls-lint.stderr
@@ -0,0 +1,82 @@
+error: cross-crate traits with a default impl, like `Send`, should not be specialized
+  --> $DIR/suspicious-impls-lint.rs:9:1
+   |
+LL | unsafe impl<T: Send> Send for MayImplementSendErr<&T> {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this will change its meaning in a future release!
+   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
+   = note: `&T` is not a generic parameter
+note: try using the same sequence of generic parameters as the struct definition
+  --> $DIR/suspicious-impls-lint.rs:8:1
+   |
+LL | struct MayImplementSendErr<T>(T);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+note: the lint level is defined here
+  --> $DIR/suspicious-impls-lint.rs:1:9
+   |
+LL | #![deny(suspicious_auto_trait_impls)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: cross-crate traits with a default impl, like `Send`, should not be specialized
+  --> $DIR/suspicious-impls-lint.rs:21:1
+   |
+LL | unsafe impl Send for ContainsVec<i32> {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this will change its meaning in a future release!
+   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
+   = note: `i32` is not a generic parameter
+note: try using the same sequence of generic parameters as the struct definition
+  --> $DIR/suspicious-impls-lint.rs:20:1
+   |
+LL | struct ContainsVec<T>(Vec<T>);
+   | ^^^^^^^^^^^^^^^^^^^^^
+
+error: cross-crate traits with a default impl, like `Send`, should not be specialized
+  --> $DIR/suspicious-impls-lint.rs:32:1
+   |
+LL | unsafe impl<T: Send> Send for TwoParamsSame<T, T> {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this will change its meaning in a future release!
+   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
+   = note: `T` is mentioned multiple times
+note: try using the same sequence of generic parameters as the struct definition
+  --> $DIR/suspicious-impls-lint.rs:31:1
+   |
+LL | struct TwoParamsSame<T, U>(T, U);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: cross-crate traits with a default impl, like `Send`, should not be specialized
+  --> $DIR/suspicious-impls-lint.rs:40:1
+   |
+LL | unsafe impl<T> Send for WithPhantomDataSend<*const T, i8> {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this will change its meaning in a future release!
+   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
+   = note: `*const T` is not a generic parameter
+note: try using the same sequence of generic parameters as the struct definition
+  --> $DIR/suspicious-impls-lint.rs:39:1
+   |
+LL | pub struct WithPhantomDataSend<T, U>(PhantomData<T>, U);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: cross-crate traits with a default impl, like `Sync`, should not be specialized
+  --> $DIR/suspicious-impls-lint.rs:46:1
+   |
+LL | unsafe impl<T> Sync for WithLifetime<'static, Vec<T>> {}
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this will change its meaning in a future release!
+   = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
+   = note: `Vec<T>` is not a generic parameter
+note: try using the same sequence of generic parameters as the struct definition
+  --> $DIR/suspicious-impls-lint.rs:44:1
+   |
+LL | pub struct WithLifetime<'a, T>(&'a (), T);
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 5 previous errors
+
-- 
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