+/* PR c/34506 */
+/* { dg-do compile } */
+
+#define p parallel
+
+void
+foo (int x)
+{
+#pragma omp p num_threads (4) if (1) private (x)
+ ;
+#pragma omp p num_threads(4)if(1)private(x)
+ ;
+#pragma omp p num_threads (4), if (1) , private (x)
+ ;
+#pragma omp p num_threads(4),if(1),private(x)
+ ;
+#pragma omp p, num_threads (4), if (1), private (x) /* { dg-error "clause before" } */
+ ;
+#pragma omp p num_threads (4), if (1), private (x), /* { dg-error "clause before" } */
+ ;
+#pragma omp p num_threads (4), , if (1), private (x) /* { dg-error "clause before" } */
+ ;
+}