Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 85 insertions, 0 deletions

diff --git a/tests/ui/unsized-locals/borrow-after-move.stderr b/tests/ui/unsized-locals/borrow-after-move.stderr
new file mode 100644
index 000000000..9e3c345dd
--- /dev/null
+++ b/tests/ui/unsized-locals/borrow-after-move.stderr
@@ -0,0 +1,85 @@
+warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
+  --> $DIR/borrow-after-move.rs:1:12
+   |
+LL | #![feature(unsized_locals, unsized_fn_params)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
+   = note: `#[warn(incomplete_features)]` on by default
+
+error[E0382]: borrow of moved value: `x`
+  --> $DIR/borrow-after-move.rs:21:24
+   |
+LL |         let y = *x;
+   |                 -- value moved here
+LL |         drop_unsized(y);
+LL |         println!("{}", &x);
+   |                        ^^ value borrowed here after move
+   |
+   = note: move occurs because `*x` has type `str`, which does not implement the `Copy` trait
+
+error[E0382]: borrow of moved value: `y`
+  --> $DIR/borrow-after-move.rs:23:24
+   |
+LL |         let y = *x;
+   |             - move occurs because `y` has type `str`, which does not implement the `Copy` trait
+LL |         drop_unsized(y);
+   |                      - value moved here
+...
+LL |         println!("{}", &y);
+   |                        ^^ value borrowed here after move
+   |
+note: consider changing this parameter type in function `drop_unsized` to borrow instead if owning the value isn't necessary
+  --> $DIR/borrow-after-move.rs:14:31
+   |
+LL | fn drop_unsized<T: ?Sized>(_: T) {}
+   |    ------------               ^ this parameter takes ownership of the value
+   |    |
+   |    in this function
+
+error[E0382]: borrow of moved value: `x`
+  --> $DIR/borrow-after-move.rs:31:24
+   |
+LL |         let y = *x;
+   |                 -- value moved here
+LL |         y.foo();
+LL |         println!("{}", &x);
+   |                        ^^ value borrowed here after move
+   |
+   = note: move occurs because `*x` has type `str`, which does not implement the `Copy` trait
+
+error[E0382]: borrow of moved value: `y`
+  --> $DIR/borrow-after-move.rs:33:24
+   |
+LL |         let y = *x;
+   |             - move occurs because `y` has type `str`, which does not implement the `Copy` trait
+LL |         y.foo();
+   |           ----- `y` moved due to this method call
+...
+LL |         println!("{}", &y);
+   |                        ^^ value borrowed here after move
+   |
+note: `Foo::foo` takes ownership of the receiver `self`, which moves `y`
+  --> $DIR/borrow-after-move.rs:5:12
+   |
+LL |     fn foo(self) -> String;
+   |            ^^^^
+
+error[E0382]: borrow of moved value: `x`
+  --> $DIR/borrow-after-move.rs:40:24
+   |
+LL |         let x = "hello".to_owned().into_boxed_str();
+   |             - move occurs because `x` has type `Box<str>`, which does not implement the `Copy` trait
+LL |         x.foo();
+   |         - value moved here
+LL |         println!("{}", &x);
+   |                        ^^ value borrowed here after move
+   |
+help: consider cloning the value if the performance cost is acceptable
+   |
+LL |         x.clone().foo();
+   |          ++++++++
+
+error: aborting due to 5 previous errors; 1 warning emitted
+
+For more information about this error, try `rustc --explain E0382`.