--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/gomp/atomic-19.c	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-fdump-tree-original" } */
+/* { dg-final { scan-tree-dump-times "omp atomic release" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "omp atomic relaxed" 3 "original" } } */
+/* { dg-final { scan-tree-dump-times "omp atomic read relaxed" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "omp atomic capture relaxed" 1 "original" } } */
+
+int i, j, k, l, m, n;
+
+void
+foo ()
+{
+  int v;
+  #pragma omp atomic release
+  i = i + 1;
+  #pragma omp requires atomic_default_mem_order (relaxed)
+  #pragma omp atomic
+  j = j + 1;
+  #pragma omp atomic update
+  k = k + 1;
+  #pragma omp atomic read
+  v = l;
+  #pragma omp atomic write
+  m = v;
+  #pragma omp atomic capture
+  v = n = n + 1;
+}