Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/ui/lint/let_underscore/let_underscore_lock.stderr b/src/test/ui/lint/let_underscore/let_underscore_lock.stderr
new file mode 100644
index 000000000..fb58af0a4
--- /dev/null
+++ b/src/test/ui/lint/let_underscore/let_underscore_lock.stderr
@@ -0,0 +1,20 @@
+error: non-binding let on a synchronization lock
+  --> $DIR/let_underscore_lock.rs:6:9
+   |
+LL |     let _ = data.lock().unwrap();
+   |         ^   ^^^^^^^^^^^^^^^^^^^^ this binding will immediately drop the value assigned to it
+   |         |
+   |         this lock is not assigned to a binding and is immediately dropped
+   |
+   = note: `#[deny(let_underscore_lock)]` on by default
+help: consider binding to an unused variable to avoid immediately dropping the value
+   |
+LL |     let _unused = data.lock().unwrap();
+   |         ~~~~~~~
+help: consider immediately dropping the value
+   |
+LL |     drop(data.lock().unwrap());
+   |     ~~~~~                    +
+
+error: aborting due to previous error
+