re PR c++/60219 ([c++11] ICE invalid use of variadic template)

	PR c++/60219
	* pt.c (coerce_template_parms): Bail if argument packing fails.

From-SVN: r208003

gcc/cp/ChangeLog

 2014-02-21  Jason Merrill  <jason@redhat.com>
 
+	PR c++/60219
+	* pt.c (coerce_template_parms): Bail if argument packing fails.
+
 	PR c++/60224
 	* decl.c (cp_complete_array_type, maybe_deduce_size_from_array_init):
 	Don't get confused by a CONSTRUCTOR that already has a type.

gcc/cp/pt.c

@@ -6808,6 +6808,8 @@ coerce_template_parms (tree parms,
           /* Store this argument.  */
           if (arg == error_mark_node)
             lost++;
+	  if (lost)
+	    break;
           TREE_VEC_ELT (new_inner_args, parm_idx) = arg;
 
 	  /* We are done with all of the arguments.  */

gcc/testsuite/g++.dg/cpp0x/variadic150.C

+// PR c++/60219
+// { dg-require-effective-target c++11 }
+
+template<typename..., int> void foo();
+
+void bar()
+{
+  foo<0>;			// { dg-error "" }
+}