1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr33238.c b/gcc/testsuite/gcc.dg/pr33238.c
new file mode 100644
index 000000000..0b399041a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr33238.c
@@ -0,0 +1,12 @@
+/* PR c/33238 */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu89" } */
+
+void
+reverse (void *x, int y, int z)
+{
+  struct { char w[z]; } *p = x, a;
+  int i, j;
+  for (i = y - 1, j = 0; j < y / 2; i--, j++)
+    ({ a = p[i]; p[i] = p[j]; p[j] = a; });
+}