---

yaml
---
r: 3593
b: refs/heads/master
c: ded9008
h: refs/heads/master
i:
  3591: db4e84d
v: v3

Author: catamorphism

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d0cb70fc36f444c07372ae58d641a6d8483cc95
+refs/heads/master: ded9008e3850463a21d1d0d48ad35a02e42bae7c

trunk/src/comp/middle/trans.rs

@@ -4312,7 +4312,10 @@ fn trans_for(&@block_ctxt cx, &@ast::local local, &@ast::expr seq,
         auto bcx = copy_val(local_res.bcx, INIT, local_res.val, curr, t).bcx;
         scope_cx.cleanups += [clean(bind drop_slot(_, local_res.val, t))];
         bcx = trans_block(bcx, body, return).bcx;
-        bcx.build.Br(next_cx.llbb);
+        if (!bcx.build.is_terminated()) {
+            bcx.build.Br(next_cx.llbb);
+            // otherwise, this code is unreachable
+        }
         ret rslt(next_cx, C_nil());
     }
     auto next_cx = new_sub_block_ctxt(cx, "next");