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, 29 insertions, 0 deletions

diff --git a/src/test/ui/unsized/unsized-trait-impl-self-type.stderr b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr
new file mode 100644
index 000000000..f6ba9a80c
--- /dev/null
+++ b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr
@@ -0,0 +1,29 @@
+error[E0277]: the size for values of type `X` cannot be known at compilation time
+  --> $DIR/unsized-trait-impl-self-type.rs:10:27
+   |
+LL | impl<X: ?Sized> T3<X> for S5<X> {
+   |      -                    ^^^^^ doesn't have a size known at compile-time
+   |      |
+   |      this type parameter needs to be `std::marker::Sized`
+   |
+note: required by a bound in `S5`
+  --> $DIR/unsized-trait-impl-self-type.rs:8:11
+   |
+LL | struct S5<Y>(Y);
+   |           ^ required by this bound in `S5`
+help: you could relax the implicit `Sized` bound on `Y` if it were used through indirection like `&Y` or `Box<Y>`
+  --> $DIR/unsized-trait-impl-self-type.rs:8:11
+   |
+LL | struct S5<Y>(Y);
+   |           ^  - ...if indirection were used here: `Box<Y>`
+   |           |
+   |           this could be changed to `Y: ?Sized`...
+help: consider removing the `?Sized` bound to make the type parameter `Sized`
+   |
+LL - impl<X: ?Sized> T3<X> for S5<X> {
+LL + impl<X> T3<X> for S5<X> {
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.