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, 31 insertions, 0 deletions

diff --git a/src/test/ui/nll/issue-57642-higher-ranked-subtype.stderr b/src/test/ui/nll/issue-57642-higher-ranked-subtype.stderr
new file mode 100644
index 000000000..0ae6b7c1d
--- /dev/null
+++ b/src/test/ui/nll/issue-57642-higher-ranked-subtype.stderr
@@ -0,0 +1,31 @@
+error[E0599]: the function or associated item `make_g` exists for fn pointer `for<'r> fn(&'r ())`, but its trait bounds were not satisfied
+  --> $DIR/issue-57642-higher-ranked-subtype.rs:31:25
+   |
+LL |     let x = <fn (&())>::make_g();
+   |                         ^^^^^^ function or associated item cannot be called on `for<'r> fn(&'r ())` due to unsatisfied trait bounds
+   |
+   = note: the following trait bounds were not satisfied:
+           `for<'r> fn(&'r ()): X`
+   = help: items from traits can only be used if the trait is implemented and in scope
+note: `X` defines an item `make_g`, perhaps you need to implement it
+  --> $DIR/issue-57642-higher-ranked-subtype.rs:4:1
+   |
+LL | trait X {
+   | ^^^^^^^
+
+error[E0599]: no function or associated item named `make_f` found for fn pointer `for<'r> fn(&'r ())` in the current scope
+  --> $DIR/issue-57642-higher-ranked-subtype.rs:35:25
+   |
+LL |     let x = <fn (&())>::make_f();
+   |                         ^^^^^^ function or associated item not found in `for<'r> fn(&'r ())`
+   |
+   = help: items from traits can only be used if the trait is implemented and in scope
+note: `Y` defines an item `make_f`, perhaps you need to implement it
+  --> $DIR/issue-57642-higher-ranked-subtype.rs:17:1
+   |
+LL | trait Y {
+   | ^^^^^^^
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0599`.