---

yaml
---
r: 22615
b: refs/heads/master
c: 3119afc
h: refs/heads/master
i:
  22613: a73495e
  22611: 3aa93f5
  22607: ecc1735
v: v3

Author: catamorphism

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: de5d5e6eebbfdd660b2587763b122bc9df3eeb8f
+refs/heads/master: 3119afc6e844fea76512e45c392bdcbeeeec2c00
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: cd6f24f9d14ac90d167386a56e7a6ac1f0318195
 refs/heads/try: ffbe0e0e00374358b789b0037bcb3a577cd218be

trunk/src/rustc/middle/resolve3.rs

@@ -1904,6 +1904,16 @@ class Resolver {
             }
         }
 
+        let i = import_resolution;
+        alt (i.module_target, i.value_target, i.type_target, i.impl_target) {
+          /*
+            If this name wasn't found in any of the four namespaces, it's
+            definitely unresolved
+           */
+          (none, none, none, v) if v.len() == 0 { ret Failed; }
+          _ {}
+        }
+
         assert import_resolution.outstanding_references >= 1u;
         import_resolution.outstanding_references -= 1u;
 

trunk/src/test/compile-fail/issue-2937.rs

@@ -0,0 +1,10 @@
+// error-pattern:failed to resolve imports
+// n.b. Can't use a //~ ERROR because there's a non-spanned error
+// message.
+import x = m::f;
+
+mod m {
+}
+
+fn main() {
+}