---

yaml
---
r: 187206
b: refs/heads/try
c: 839a9de
h: refs/heads/master
v: v3

Author: flaper87

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: b4c965ee803a4521d8b4575f634e036f93e408f3
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 3a96d6a9818fe2affc98a187fb1065120458cee9
-refs/heads/try: a962d47ef8a93ad125571a5628a883d0b50a97e7
+refs/heads/try: 839a9de8d385a082b571a88ff5a7f0c620afed1c
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/librustc/middle/traits/select.rs

@@ -1273,6 +1273,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
                 // #18453.
                 true
             }
+            (&DefaultTraitCandidate(_), _) => {
+                // Prefer other candidates over default implementations.
+                true
+            }
             (&ProjectionCandidate, &ParamCandidate(_)) => {
                 // FIXME(#20297) -- this gives where clauses precedent
                 // over projections. Really these are just two means