---

yaml
---
r: 176055
b: refs/heads/try
c: 094397a
h: refs/heads/master
i:
  176053: 336d2bc
  176051: 1c0f915
  176047: ab274da
v: v3

Author: flaper87

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: a530cc9706324ad44dba464d541a807eb5afdb08
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 777435990e0e91df6b72ce80c9b6fa485eeb5daa
-refs/heads/try: 9d42581cf90a54f5f06df1fc26184301c86697d1
+refs/heads/try: 094397a88b95974a16bbb69c1b1e557d44319d04
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/librustc_typeck/coherence/overlap.rs

@@ -39,8 +39,13 @@ impl<'cx, 'tcx> OverlapChecker<'cx, 'tcx> {
         // check can populate this table further with impls from other
         // crates.
         let trait_def_ids: Vec<(ast::DefId, Vec<ast::DefId>)> =
-            self.tcx.trait_impls.borrow().iter().map(|(&k, v)|
-                                                     (k, v.borrow().clone())).collect();
+            self.tcx.trait_impls.borrow().iter().map(|(&k, v)| {
+                let mut impls = v.borrow().clone();
+                if let Some(neg_impls) = self.tcx.trait_negative_impls.borrow().get(&k) {
+                    impls.push_all(neg_impls.borrow().as_slice());
+                }
+                (k, impls)
+            }).collect();
 
         for &(trait_def_id, ref impls) in trait_def_ids.iter() {
             self.check_for_overlapping_impls_of_trait(trait_def_id, impls);

branches/try/src/test/compile-fail/coherence-conflicting-negative-trait-impl.rs

@@ -0,0 +1,20 @@
+// 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.
+
+#![feature(optin_builtin_traits)]
+
+struct TestType;
+
+unsafe impl Send for TestType {}
+//~^ ERROR conflicting implementations for trait `core::marker::Send`
+
+impl !Send for TestType {}
+
+fn main() {}