From 266e9ae24f34b5dcb055128f068ae829d0c69b39 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 25 Jan 2012 18:54:34 +0000
Subject: [PATCH] compiler: Always re-lower lowered expressions.

From-SVN: r183530
---
 gcc/go/gofrontend/gogo.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/go/gofrontend/gogo.cc b/gcc/go/gofrontend/gogo.cc
index 2fd1219d9db..af396dd4972 100644
--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -1520,6 +1520,8 @@ Lower_parse_tree::expression(Expression** pexpr)
 				  &this->inserter_, this->iota_value_);
       if (enew == e)
 	break;
+      if (enew->traverse_subexpressions(this) == TRAVERSE_EXIT)
+	return TRAVERSE_EXIT;
       *pexpr = enew;
     }
   return TRAVERSE_SKIP_COMPONENTS;