---

yaml
---
r: 274661
b: refs/heads/stable
c: 77c8850
h: refs/heads/master
i:
  274659: da1c4c0

Author: pnkfelix

[refs]

@@ -29,7 +29,7 @@ refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: c0221c8897db309a79990367476177b1230bb264
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: 8801bdb6b09569b187bb4c83f6121533afc69820
+refs/heads/stable: 77c8850e6f03d9e2b7efcdf57abc5786440e3fd7
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b
 refs/tags/1.2.0: f557861f822c34f07270347b94b5280de20a597e

branches/stable/src/test/compile-fail/issue-30438-a.rs

@@ -0,0 +1,33 @@
+// Copyright 2016 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.
+
+// Original regression test for Issue #30438.
+
+use std::ops::Index;
+
+struct Test<'a> {
+    s: &'a String
+}
+
+impl <'a> Index<usize> for Test<'a> {
+    type Output = Test<'a>;
+    fn index(&self, _: usize) -> &Self::Output {
+        return &Test { s: &self.s};
+        //~^ ERROR: borrowed value does not live long enough
+    }
+}
+
+fn main() {
+    let s = "Hello World".to_string();
+    let test = Test{s: &s};
+    let r = &test[0];
+    println!("{}", test.s); // OK since test is valid
+    println!("{}", r.s); // Segfault since value pointed by r has already been dropped
+}

branches/stable/src/test/compile-fail/issue-30438-b.rs

@@ -0,0 +1,34 @@
+// Copyright 2016 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.
+
+// Modified regression test for Issue #30438 that exposed an
+// independent issue (see discussion on ticket).
+
+use std::ops::Index;
+
+struct Test<'a> {
+    s: &'a String
+}
+
+impl <'a> Index<usize> for Test<'a> {
+    type Output = Test<'a>;
+    fn index(&self, _: usize) -> &Self::Output {
+        &Test { s: &self.s}
+        //~^ ERROR: borrowed value does not live long enough
+    }
+}
+
+fn main() {
+    let s = "Hello World".to_string();
+    let test = Test{s: &s};
+    let r = &test[0];
+    println!("{}", test.s); // OK since test is valid
+    println!("{}", r.s); // Segfault since value pointed by r has already been dropped
+}

branches/stable/src/test/compile-fail/issue-30438-c.rs

@@ -0,0 +1,30 @@
+// Copyright 2016 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.
+
+// Simplfied regression test for #30438, inspired by arielb1.
+
+trait Trait { type Out; }
+
+struct Test<'a> { s: &'a str }
+
+fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static {
+    let x = Test { s: "this cannot last" };
+    &x
+    //~^ ERROR: `x` does not live long enough
+}
+
+impl<'b> Trait for Test<'b> { type Out = Test<'b>; }
+
+fn main() {
+    let orig = Test { s: "Hello World" };
+    let r = silly(&orig);
+    println!("{}", orig.s); // OK since `orig` is valid
+    println!("{}", r.s); // Segfault (method does not return a sane value)
+}