auto merge of #6910 : Blei/rust/fix-6698, r=pcwalton

Fixes #6698

src/librustc/middle/resolve.rs

@@ -4595,7 +4595,7 @@ impl Resolver {
         }
 
         let name = *path.idents.last();
-        match self.resolve_definition_of_name_in_module(containing_module,
+        let def = match self.resolve_definition_of_name_in_module(containing_module,
                                                         name,
                                                         namespace,
                                                         xray) {
@@ -4604,9 +4604,28 @@ impl Resolver {
                 return None;
             }
             ChildNameDefinition(def) | ImportNameDefinition(def) => {
-                return Some(def);
+                def
             }
-        }
+        };
+        match containing_module.kind {
+            TraitModuleKind | ImplModuleKind => {
+                match self.method_map.find(&name) {
+                    Some(s) => {
+                        match containing_module.def_id {
+                            Some(def_id) if s.contains(&def_id) => {
+                                debug!("containing module was a trait or impl \
+                                        and name was a method -> not resolved");
+                                return None;
+                            },
+                            _ => (),
+                        }
+                    },
+                    None => (),
+                }
+            },
+            _ => (),
+        };
+        return Some(def);
     }
 
     /// Invariant: This must be called only during main resolution, not during

src/test/compile-fail/call-extern-trait-as-function.rs

@@ -0,0 +1,17 @@
+// Copyright 2013 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 #6698
+
+fn V() -> bool {
+    std::clone::Clone::clone(true) //~ ERROR error: unresolved name `std::clone::Clone::clone`.
+}
+
+fn main() {}