Adding upstream version 1.66.0+dfsg1.upstream/1.66.0+dfsg1

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

1 files changed, 23 insertions, 0 deletions

diff --git a/src/test/ui/fn/implied-bounds-unnorm-associated-type-5.rs b/src/test/ui/fn/implied-bounds-unnorm-associated-type-5.rs
new file mode 100644
index 000000000..2a9a6a8cc
--- /dev/null
+++ b/src/test/ui/fn/implied-bounds-unnorm-associated-type-5.rs
@@ -0,0 +1,23 @@
+trait Trait<'a>: 'a {
+    type Type;
+}
+
+// if the `T: 'a` bound gets implied we would probably get ub here again
+impl<'a, T> Trait<'a> for T {
+    //~^ ERROR the parameter type `T` may not live long enough
+    type Type = ();
+}
+
+fn f<'a, 'b>(s: &'b str, _: <&'b () as Trait<'a>>::Type) -> &'a str
+where
+    &'b (): Trait<'a>,
+{
+    s
+}
+
+fn main() {
+    let x = String::from("Hello World!");
+    let y = f(&x, ());
+    drop(x);
+    println!("{}", y);
+}