1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/compare-method/proj-outlives-region.rs b/src/test/ui/compare-method/proj-outlives-region.rs
new file mode 100644
index 000000000..969bc566d
--- /dev/null
+++ b/src/test/ui/compare-method/proj-outlives-region.rs
@@ -0,0 +1,14 @@
+// Test that we elaborate `Type: 'region` constraints and infer various important things.
+
+trait Master<'a, T: ?Sized, U> {
+    fn foo() where T: 'a;
+}
+
+// `U::Item: 'a` does not imply that `U: 'a`
+impl<'a, U: Iterator> Master<'a, U::Item, U> for () {
+    fn foo() where U: 'a { } //~ ERROR E0276
+}
+
+fn main() {
+    println!("Hello, world!");
+}