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, 33 insertions, 0 deletions

diff --git a/src/test/ui/nll/user-annotations/type-annotation-with-hrtb.rs b/src/test/ui/nll/user-annotations/type-annotation-with-hrtb.rs
new file mode 100644
index 000000000..1f7c06038
--- /dev/null
+++ b/src/test/ui/nll/user-annotations/type-annotation-with-hrtb.rs
@@ -0,0 +1,33 @@
+// Regression test for issue #69490
+
+// check-pass
+
+pub trait Trait<T> {
+    const S: &'static str;
+}
+
+impl<T> Trait<()> for T
+where
+    T: for<'a> Trait<&'a ()>,
+{
+    // Use of `T::S` here caused an ICE
+    const S: &'static str = T::S;
+}
+
+// Some similar cases that didn't ICE:
+
+impl<'a, T> Trait<()> for (T,)
+where
+    T: Trait<&'a ()>,
+{
+    const S: &'static str = T::S;
+}
+
+impl<T> Trait<()> for [T; 1]
+where
+    T: Trait<for<'a> fn(&'a ())>,
+{
+    const S: &'static str = T::S;
+}
+
+fn main() {}