---

yaml
---
r: 150879
b: refs/heads/try2
c: 364d82e
h: refs/heads/master
i:
  150877: bfb07fc
  150875: 6283119
  150871: 32fdaa5
  150863: ca065ed
  150847: 786a295
v: v3

Author: pnkfelix

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 78baf0e9689c73d549cf194ecd97f704702ec9f8
+refs/heads/try2: 364d82e7f3edb03031db9221be107d146615d610
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/test/run-pass/regions-no-variance-from-fn-generics.rs

@@ -0,0 +1,45 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Issue #12856: a lifetime formal binding introduced by a generic fn
+// should not upset the variance inference for actual occurrences of
+// that lifetime in type expressions.
+
+trait HasLife<'a> { }
+
+trait UseLife01 {
+    fn refs<'a, H: HasLife<'a>>(&'a self) -> H;
+}
+
+trait UseLife02 {
+    fn refs<'a, T, H: HasType<&'a T>>(&'a self) -> H;
+}
+
+
+trait HasType<T> { }
+
+trait UseLife03<T> {
+    fn refs<'a, H: HasType<&'a T>>(&'a self) -> H;
+}
+
+
+// (The functions below were not actually a problem observed during
+// fixing of #12856; they just seem like natural tests to put in to
+// cover a couple more points in the testing space)
+
+pub fn top_refs_1<'a, H: HasLife<'a>>(_s: &'a ()) -> H {
+    unimplemented!()
+}
+
+pub fn top_refs_2<'a, T, H: HasType<&'a T>>(_s: &'a ()) -> H {
+    unimplemented!()
+}
+
+pub fn main() {}