Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/ui/union/union-with-drop-fields.mirunsafeck.stderr b/tests/ui/union/union-with-drop-fields.mirunsafeck.stderr
new file mode 100644
index 000000000..93fe996d2
--- /dev/null
+++ b/tests/ui/union/union-with-drop-fields.mirunsafeck.stderr
@@ -0,0 +1,39 @@
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/union-with-drop-fields.rs:11:5
+   |
+LL |     a: String,
+   |     ^^^^^^^^^
+   |
+   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
+help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
+   |
+LL |     a: std::mem::ManuallyDrop<String>,
+   |        +++++++++++++++++++++++      +
+
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/union-with-drop-fields.rs:19:5
+   |
+LL |     a: S,
+   |     ^^^^
+   |
+   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
+help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
+   |
+LL |     a: std::mem::ManuallyDrop<S>,
+   |        +++++++++++++++++++++++ +
+
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/union-with-drop-fields.rs:24:5
+   |
+LL |     a: T,
+   |     ^^^^
+   |
+   = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
+help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
+   |
+LL |     a: std::mem::ManuallyDrop<T>,
+   |        +++++++++++++++++++++++ +
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0740`.