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, 30 insertions, 0 deletions

diff --git a/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs
new file mode 100644
index 000000000..93ccb4268
--- /dev/null
+++ b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-74261.rs
@@ -0,0 +1,30 @@
+// check-pass
+
+use std::marker::PhantomData;
+
+trait A<'a> {
+    type B;
+    fn b(self) -> Self::B;
+}
+
+struct T;
+struct S<'a>(PhantomData<&'a ()>);
+
+impl<'a> A<'a> for T {
+    type B = S<'a>;
+    fn b(self) -> Self::B {
+        S(PhantomData)
+    }
+}
+
+fn s<TT, F>(t: TT, f: F)
+where
+    TT: for<'a> A<'a>,
+    F: for<'a> FnOnce(<TT as A<'a>>::B)
+{
+    f(t.b());
+}
+
+fn main() {
+    s(T, |_| {});
+}