From f315816c37c235b0f99593080501c2e3855c3568 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 23 Feb 2011 05:10:05 +0000
Subject: Don't crash on Sizeof of bad type.

From-SVN: r170430
---
 gcc/go/gofrontend/expressions.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 050942c..e9a26a0 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -7980,7 +7980,11 @@ Builtin_call_expression::do_get_tree(Translate_context* context)
 	mpz_init(val);
 	Type* dummy;
 	bool b = this->integer_constant_value(true, val, &dummy);
-	gcc_assert(b);
+	if (!b)
+	  {
+	    gcc_assert(saw_errors());
+	    return error_mark_node;
+	  }
 	tree type = Type::lookup_integer_type("int")->get_tree(gogo);
 	tree ret = Expression::integer_constant_tree(val, type);
 	mpz_clear(val);
-- 
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