---

yaml
---
r: 223257
b: refs/heads/auto
c: c3d147e
h: refs/heads/master
i:
  223255: d23de19
v: v3

Author: GuillaumeGomez

[refs]

@@ -8,7 +8,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 5aa6c155a3a5de2aa5a358e3d4f8ca212dece98f
+refs/heads/auto: c3d147eea60c891823e7e1c21003c392654a633b
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336
 refs/tags/0.2: 1754d02027f2924bed83b0160ee340c7f41d5ea1

branches/auto/src/librustc_resolve/diagnostics.rs

@@ -494,6 +494,15 @@ match (1, 2) {
     (x, y) => {} // ok!
 }
 ```
+
+Or maybe did you mean to unify? Consider using a guard:
+
+```
+match (A, B, C) {
+    (x, x2, see) if x == x2 => { /* A and B are equal, do one thing */ }
+    (y, z, see) => { /* A and B unequal; do another thing */ }
+}
+```
 "##,
 
 E0417: r##"