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, 41 insertions, 0 deletions

diff --git a/src/test/ui/mismatched_types/fn-variance-1.stderr b/src/test/ui/mismatched_types/fn-variance-1.stderr
new file mode 100644
index 000000000..eec6d83fe
--- /dev/null
+++ b/src/test/ui/mismatched_types/fn-variance-1.stderr
@@ -0,0 +1,41 @@
+error[E0631]: type mismatch in function arguments
+  --> $DIR/fn-variance-1.rs:11:15
+   |
+LL | fn takes_mut(x: &mut isize) { }
+   | --------------------------- found signature defined here
+...
+LL |     apply(&3, takes_mut);
+   |     -----     ^^^^^^^^^ expected due to this
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = note: expected function signature `fn(&{integer}) -> _`
+              found function signature `for<'r> fn(&'r mut isize) -> _`
+note: required by a bound in `apply`
+  --> $DIR/fn-variance-1.rs:5:37
+   |
+LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
+   |                                     ^^^^^^^^^ required by this bound in `apply`
+
+error[E0631]: type mismatch in function arguments
+  --> $DIR/fn-variance-1.rs:15:19
+   |
+LL | fn takes_imm(x: &isize) { }
+   | ----------------------- found signature defined here
+...
+LL |     apply(&mut 3, takes_imm);
+   |     -----         ^^^^^^^^^ expected due to this
+   |     |
+   |     required by a bound introduced by this call
+   |
+   = note: expected function signature `fn(&mut {integer}) -> _`
+              found function signature `for<'r> fn(&'r isize) -> _`
+note: required by a bound in `apply`
+  --> $DIR/fn-variance-1.rs:5:37
+   |
+LL | fn apply<T, F>(t: T, f: F) where F: FnOnce(T) {
+   |                                     ^^^^^^^^^ required by this bound in `apply`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0631`.