---

yaml
---
r: 107769
b: refs/heads/dist-snap
c: 8d097b3
h: refs/heads/master
i:
  107767: b9d21b9
v: v3

Author: isabelmu

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: f64fdf524a434f0e5cd0bc91d09c144723f3c90d
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/dist-snap: b46c0daa7ba1fdd9b5ee3ba2b8bd4ff220fa8b6c
+refs/heads/dist-snap: 8d097b3bfb7af5c171f0177720e7388a294081e9
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0

branches/dist-snap/src/librustc/middle/ty.rs

@@ -2403,8 +2403,9 @@ pub fn is_type_representable(cx: ctxt, ty: t) -> Representability {
             ty_tup(ref ts) => {
                 find_nonrepresentable(cx, seen, ts.iter().map(|t| *t))
             }
-            // Non-zero fixed-length vectors.
-            ty_vec(mt, vstore_fixed(len)) if len != 0 => {
+            // Fixed-length vectors.
+            // FIXME(#11924) Behavior undecided for zero-length vectors.
+            ty_vec(mt, vstore_fixed(_)) => {
                 type_structurally_recursive(cx, seen, mt.ty)
             }