re PR c++/58834 (ICE on __builtin_shuffle within template function)

2013-11-01  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/58834
gcc/cp/
	* pt.c (type_dependent_expression_p): Handle null argument.

gcc/testsuite/
	* g++.dg/ext/pr58834.C: New file.

From-SVN: r204296

gcc/cp/ChangeLog

+2013-11-01  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/58834
+	* pt.c (type_dependent_expression_p): Handle null argument.
+
 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
 
 	* semantics.c (finish_omp_clauses) <case OMP_CLAUSE_UNIFORM>: Go to

gcc/cp/pt.c

@@ -20506,7 +20506,7 @@ type_dependent_expression_p (tree expression)
   if (!processing_template_decl)
     return false;
 
-  if (expression == error_mark_node)
+  if (expression == NULL_TREE || expression == error_mark_node)
     return false;
 
   /* An unresolved name is always dependent.  */

gcc/testsuite/ChangeLog

+2013-11-01  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/58834
+	* g++.dg/ext/pr58834.C: New file.
+
 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.dg/gomp/declare-simd-2.c (f12, f13, f14, f15, f16, f17): New

gcc/testsuite/g++.dg/ext/pr58834.C

+template<typename> void foo()
+{
+  int i __attribute__((vector_size(2*sizeof(int))));
+  (void) __builtin_shuffle(i, i);
+}