1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr18536.c b/gcc/testsuite/gcc.dg/vect/pr18536.c
new file mode 100644
index 00000000000..cd9d7bb1a4f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr18536.c
@@ -0,0 +1,34 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+int main1 (short a, short *b)
+{
+  while (++a < 4) *b++ = 2;
+
+  return 0;
+}
+
+int main (void)
+{
+  int i = 0;
+  short x[N];
+
+  check_vect ();
+
+  main1 (0, x);
+
+  /* check results:  */
+  while (++i < 4)
+    {
+      if (x[i-1] != 2)
+        abort ();
+    }
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */