Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 63 insertions, 0 deletions

diff --git a/src/test/ui/union/field_checks.stderr b/src/test/ui/union/field_checks.stderr
new file mode 100644
index 000000000..1f97e97ac
--- /dev/null
+++ b/src/test/ui/union/field_checks.stderr
@@ -0,0 +1,63 @@
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/field_checks.rs:24:5
+   |
+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/field_checks.rs:28:5
+   |
+LL |     a: std::cell::RefCell<i32>,
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = 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<std::cell::RefCell<i32>>,
+   |        +++++++++++++++++++++++                       +
+
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/field_checks.rs:32:5
+   |
+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[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/field_checks.rs:44:5
+   |
+LL |     nest: U5,
+   |     ^^^^^^^^
+   |
+   = 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 |     nest: std::mem::ManuallyDrop<U5>,
+   |           +++++++++++++++++++++++  +
+
+error[E0740]: unions cannot contain fields that may need dropping
+  --> $DIR/field_checks.rs:48:5
+   |
+LL |     nest: [U5; 0],
+   |     ^^^^^^^^^^^^^
+   |
+   = 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 |     nest: std::mem::ManuallyDrop<[U5; 0]>,
+   |           +++++++++++++++++++++++       +
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0740`.