From f7a10f0d78147f8fb1391474b76202ca37b0c998 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 3 Mar 2011 06:50:32 +0000
Subject: [PATCH] Don't crash if erroneous type was not converted.

From-SVN: r170646
---
 gcc/go/gofrontend/types.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gcc/go/gofrontend/types.cc b/gcc/go/gofrontend/types.cc
index 27104081df4..0db599441dd 100644
--- a/gcc/go/gofrontend/types.cc
+++ b/gcc/go/gofrontend/types.cc
@@ -7300,7 +7300,12 @@ Named_type::do_get_tree(Gogo* gogo)
 
   // We are not converting types.  This should only be called if the
   // type has already been converted.
-  gcc_assert(this->is_converted_);
+  if (!this->is_converted_)
+    {
+      gcc_assert(saw_errors());
+      return error_mark_node;
+    }
+
   gcc_assert(t != NULL_TREE && TYPE_SIZE(t) != NULL_TREE);
 
   // Complete the tree.
-- 
2.30.2