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-rw-r--r--tests/ui/regions/regions-static-bound.rs21
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() {}