From 42db600dba6adb352854e1eeb909fc3e7a2d892a Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Thu, 16 Jun 2011 18:09:05 -0400
Subject: re PR c++/49229 ([C++0x][SFINAE] ICE with variadics and depending
 non-type default parameter)

	PR c++/49229
	* pt.c (tsubst_decl) [FUNCTION_DECL]: Handle substitution failure.

From-SVN: r175120
---
 gcc/cp/pt.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gcc/cp/pt.c')

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index ff145a26..1008b3b 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -9548,6 +9548,8 @@ tsubst_decl (tree t, tree args, tsubst_flags_t complain)
                                           (DECL_TEMPLATE_RESULT
                                                  (DECL_TI_TEMPLATE (t))),
 					   args, complain, in_decl);
+	    if (argvec == error_mark_node)
+	      RETURN (error_mark_node);
 
 	    /* Check to see if we already have this specialization.  */
 	    hash = hash_tmpl_and_args (gen_tmpl, argvec);
-- 
cgit v1.1