Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/ui/nll/issue-52992.rs b/tests/ui/nll/issue-52992.rs
new file mode 100644
index 000000000..530d1a61b
--- /dev/null
+++ b/tests/ui/nll/issue-52992.rs
@@ -0,0 +1,25 @@
+// Regression test for an NLL-related ICE (#52992) -- computing
+// implied bounds was causing outlives relations that were not
+// properly handled.
+//
+// check-pass
+
+fn main() {}
+
+fn fail<'a>() -> Struct<'a, Generic<()>> {
+    Struct(&Generic(()))
+}
+
+struct Struct<'a, T>(&'a T) where
+    T: Trait + 'a,
+    T::AT: 'a; // only fails with this bound
+
+struct Generic<T>(T);
+
+trait Trait {
+    type AT;
+}
+
+impl<T> Trait for Generic<T> {
+    type AT = T; // only fails with a generic AT
+}