Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/ui/regions/regions-static-bound.rs b/tests/ui/regions/regions-static-bound.rs
new file mode 100644
index 000000000..4d2455470
--- /dev/null
+++ b/tests/ui/regions/regions-static-bound.rs
@@ -0,0 +1,21 @@
+fn static_id<'a,'b>(t: &'a ()) -> &'static ()
+    where 'a: 'static { t }
+//~^ WARN unnecessary lifetime parameter `'a`
+
+fn static_id_indirect<'a,'b>(t: &'a ()) -> &'static ()
+    where 'a: 'b, 'b: 'static { t }
+//~^ WARN unnecessary lifetime parameter `'b`
+
+fn static_id_wrong_way<'a>(t: &'a ()) -> &'static () where 'static: 'a {
+    t
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn error(u: &(), v: &()) {
+    static_id(&u);
+    //~^ ERROR borrowed data escapes outside of function [E0521]
+    static_id_indirect(&v);
+    //~^ ERROR borrowed data escapes outside of function [E0521]
+}
+
+fn main() {}