Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/ui/nll/local-outlives-static-via-hrtb.rs b/tests/ui/nll/local-outlives-static-via-hrtb.rs
new file mode 100644
index 000000000..5f1f9b3a7
--- /dev/null
+++ b/tests/ui/nll/local-outlives-static-via-hrtb.rs
@@ -0,0 +1,26 @@
+// Test that we handle the case when a local variable is borrowed for `'static`
+// due to an outlives constraint involving a region in an incompatible universe
+
+pub trait Outlives<'this> {}
+
+impl<'this, T> Outlives<'this> for T where T: 'this {}
+trait Reference {
+    type AssociatedType;
+}
+
+impl<'a, T: 'a> Reference for &'a T {
+    type AssociatedType = &'a ();
+}
+
+fn assert_static_via_hrtb<G>(_: G) where for<'a> G: Outlives<'a> {}
+
+fn assert_static_via_hrtb_with_assoc_type<T>(_: &'_ T)
+where
+    for<'a> &'a T: Reference<AssociatedType = &'a ()>,
+{}
+
+fn main() {
+    let local = 0;
+    assert_static_via_hrtb(&local); //~ ERROR `local` does not live long enough
+    assert_static_via_hrtb_with_assoc_type(&&local); //~ ERROR `local` does not live long enough
+}