Merging upstream version 1.74.1+dfsg1.

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

1 files changed, 51 insertions, 0 deletions

diff --git a/tests/ui/generator/issue-105084.stderr b/tests/ui/generator/issue-105084.stderr
new file mode 100644
index 000000000..573c31f11
--- /dev/null
+++ b/tests/ui/generator/issue-105084.stderr
@@ -0,0 +1,51 @@
+error[E0382]: borrow of moved value: `g`
+  --> $DIR/issue-105084.rs:37:14
+   |
+LL |     let mut g = || {
+   |         ----- move occurs because `g` has type `{generator@$DIR/issue-105084.rs:14:17: 14:19}`, which does not implement the `Copy` trait
+...
+LL |     let mut h = copy(g);
+   |                      - value moved here
+...
+LL |     Pin::new(&mut g).resume(());
+   |              ^^^^^^ value borrowed here after move
+   |
+note: consider changing this parameter type in function `copy` to borrow instead if owning the value isn't necessary
+  --> $DIR/issue-105084.rs:9:21
+   |
+LL | fn copy<T: Copy>(x: T) -> T {
+   |    ----             ^ this parameter takes ownership of the value
+   |    |
+   |    in this function
+help: consider cloning the value if the performance cost is acceptable
+   |
+LL |     let mut h = copy(g.clone());
+   |                       ++++++++
+
+error[E0277]: the trait bound `Box<(i32, ())>: Copy` is not satisfied in `{generator@$DIR/issue-105084.rs:14:17: 14:19}`
+  --> $DIR/issue-105084.rs:31:17
+   |
+LL |     let mut g = || {
+   |                 -- within this `{generator@$DIR/issue-105084.rs:14:17: 14:19}`
+...
+LL |     let mut h = copy(g);
+   |                 ^^^^ within `{generator@$DIR/issue-105084.rs:14:17: 14:19}`, the trait `Copy` is not implemented for `Box<(i32, ())>`
+   |
+note: generator does not implement `Copy` as this value is used across a yield
+  --> $DIR/issue-105084.rs:21:22
+   |
+LL |         Box::new((5, yield));
+   |         -------------^^^^^--
+   |         |            |
+   |         |            yield occurs here, with `Box::new((5, yield))` maybe used later
+   |         has type `Box<(i32, ())>` which does not implement `Copy`
+note: required by a bound in `copy`
+  --> $DIR/issue-105084.rs:9:12
+   |
+LL | fn copy<T: Copy>(x: T) -> T {
+   |            ^^^^ required by this bound in `copy`
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0277, E0382.
+For more information about an error, try `rustc --explain E0277`.