Merging upstream version 1.75.0+dfsg1.

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

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/ui/borrowck/alias-liveness/rtn-static.rs b/tests/ui/borrowck/alias-liveness/rtn-static.rs
new file mode 100644
index 000000000..1f136b8b9
--- /dev/null
+++ b/tests/ui/borrowck/alias-liveness/rtn-static.rs
@@ -0,0 +1,23 @@
+// check-pass
+
+#![feature(return_type_notation)]
+//~^ WARN the feature `return_type_notation` is incomplete
+
+trait Foo {
+    fn borrow(&mut self) -> impl Sized + '_;
+}
+
+fn live_past_borrow<T: Foo<borrow(): 'static>>(mut t: T) {
+    let x = t.borrow();
+    drop(t);
+    drop(x);
+}
+
+// Test that the `'_` item bound in `borrow` does not cause us to
+// overlook the `'static` RTN bound.
+fn overlapping_mut<T: Foo<borrow(): 'static>>(mut t: T) {
+    let x = t.borrow();
+    let x = t.borrow();
+}
+
+fn main() {}