From bead045f2724e3a256a2123a844b079f82047dd4 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Wed, 24 Aug 2011 10:55:34 +0200
Subject: [PATCH] Check for is_terminated after translating a block

Closes #861
---
 src/comp/middle/trans.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index de05fd265e2..35390bc1b92 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -4303,7 +4303,7 @@ fn trans_expr_out(cx: &@block_ctxt, e: &@ast::expr, output: out_method) ->
             with_out_method(bind trans_block(sub_cx, blk, _), cx, e.id,
                             output);
         cx.build.Br(sub_cx.llbb);
-        sub.bcx.build.Br(next_cx.llbb);
+        if !is_terminated(sub.bcx) { sub.bcx.build.Br(next_cx.llbb); }
         ret rslt(next_cx, sub.val);
       }
       ast::expr_copy(a) {