re PR middle-end/67335 (ICE in compiling omp simd function with unused argument)

	PR middle-end/67335
	* omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
	for tmp simd array if DECL_NAME (parm) is NULL.

	* g++.dg/vect/simd-clone-7.cc: New test.

From-SVN: r242678

gcc/ChangeLog

+2016-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/67335
+	* omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
+	for tmp simd array if DECL_NAME (parm) is NULL.
+
 2016-11-20  Jeff Law  <law@redhat.com>
 
 	PR target/25128

gcc/omp-simd-clone.c

@@ -630,8 +630,9 @@ simd_clone_adjust_argument_types (struct cgraph_node *node)
 
 	  if (node->definition)
 	    sc->args[i].simd_array
-	      = create_tmp_simd_array (IDENTIFIER_POINTER (DECL_NAME (parm)),
-				       parm_type, sc->simdlen);
+	      = create_tmp_simd_array (DECL_NAME (parm)
+				       ? IDENTIFIER_POINTER (DECL_NAME (parm))
+				       : NULL, parm_type, sc->simdlen);
 	}
       adjustments.safe_push (adj);
     }

gcc/testsuite/ChangeLog

 2016-11-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/67335
+	* g++.dg/vect/simd-clone-7.cc: New test.
+
 	PR c++/71973
 	* g++.dg/torture/pr53321.C (size_t): Use __SIZE_TYPE__ instead of
 	long unsigned int.

gcc/testsuite/g++.dg/vect/simd-clone-7.cc

+// PR middle-end/67335
+// { dg-do compile }
+// { dg-additional-options "-fopenmp-simd" }
+
+#pragma omp declare simd notinbranch uniform(y)
+float
+bar (float x, float *y, int)
+{
+  return y[0] + y[1] * x;
+}