From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Wed, 15 Dec 2010 23:56:51 +0000 (+0000)
Subject: Don't crash on Sizeof of undefined type.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70749e9cbed9302e59f6e7efc525f79c6b52d75e;p=gcc.git

Don't crash on Sizeof of undefined type.

From-SVN: r167883
---

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 844ff660a24..4f6e4ed3622 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -6722,7 +6722,7 @@ Builtin_call_expression::do_integer_constant_value(bool iota_is_constant,
       if (arg == NULL)
 	return false;
       Type* arg_type = arg->type();
-      if (arg_type->is_error_type())
+      if (arg_type->is_error_type() || arg_type->is_undefined())
 	return false;
       if (arg_type->is_abstract())
 	return false;