Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 46 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-20225.stderr b/tests/ui/issues/issue-20225.stderr
new file mode 100644
index 000000000..582216010
--- /dev/null
+++ b/tests/ui/issues/issue-20225.stderr
@@ -0,0 +1,46 @@
+error[E0053]: method `call` has an incompatible type for trait
+  --> $DIR/issue-20225.rs:6:43
+   |
+LL | impl<'a, T> Fn<(&'a T,)> for Foo {
+   |          - this type parameter
+LL |   extern "rust-call" fn call(&self, (_,): (T,)) {}
+   |                                           ^^^^
+   |                                           |
+   |                                           expected `&T`, found type parameter `T`
+   |                                           help: change the parameter type to match the trait: `(&'a T,)`
+   |
+   = note: expected signature `extern "rust-call" fn(&Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(&Foo, (T,))`
+
+error[E0053]: method `call_mut` has an incompatible type for trait
+  --> $DIR/issue-20225.rs:11:51
+   |
+LL | impl<'a, T> FnMut<(&'a T,)> for Foo {
+   |          - this type parameter
+LL |   extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
+   |                                                   ^^^^
+   |                                                   |
+   |                                                   expected `&T`, found type parameter `T`
+   |                                                   help: change the parameter type to match the trait: `(&'a T,)`
+   |
+   = note: expected signature `extern "rust-call" fn(&mut Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(&mut Foo, (T,))`
+
+error[E0053]: method `call_once` has an incompatible type for trait
+  --> $DIR/issue-20225.rs:18:47
+   |
+LL | impl<'a, T> FnOnce<(&'a T,)> for Foo {
+   |          - this type parameter
+...
+LL |   extern "rust-call" fn call_once(self, (_,): (T,)) {}
+   |                                               ^^^^
+   |                                               |
+   |                                               expected `&T`, found type parameter `T`
+   |                                               help: change the parameter type to match the trait: `(&'a T,)`
+   |
+   = note: expected signature `extern "rust-call" fn(Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(Foo, (T,))`
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0053`.