---

yaml
---
r: 206445
b: refs/heads/beta
c: c4693ea
h: refs/heads/master
i:
  206443: 9f987ee
v: v3

Author: jooert

[refs]

@@ -29,7 +29,7 @@ refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
 refs/heads/automation-fail: 1bf06495443584539b958873e04cc2f864ab10e4
 refs/heads/batch: b7fd822592a4fb577552d93010c4a4e14f314346
 refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
-refs/heads/beta: 29a7d3589401fdedfa54a5ab0f7331212a020281
+refs/heads/beta: c4693ea1db3c88f65b40cffd72696e62ef7d4781
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 579e31929feff51dcaf8d444648eff8de735f91a

branches/beta/src/test/compile-fail/issue-21174.rs

@@ -0,0 +1,21 @@
+// Copyright 2015 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.
+
+trait Trait<'a> {
+    type A;
+    type B;
+}
+
+fn foo<'a, T: Trait<'a>>(value: T::A) {
+    let new: T::B = unsafe { std::mem::transmute(value) };
+//~^ ERROR: cannot transmute to or from a type that contains type parameters in its interior [E0139]
+}
+
+fn main() { }

branches/beta/src/test/run-pass/issue-21174.rs

@@ -0,0 +1,20 @@
+// Copyright 2015 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.
+
+trait Trait<'a> {
+    type A;
+    type B;
+}
+
+fn foo<'a, T: Trait<'a>>(value: T::A) {
+    let new: T::B = unsafe { std::mem::transmute_copy(&value) };
+}
+
+fn main() { }