--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vec-andxor1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* { dg-do run } */
+/* { dg-options "-O" } */
+
+typedef int vec __attribute__((vector_size(4*sizeof(int))));
+
+__attribute__((noinline,noclone))
+void f (vec *x) {
+  *x = (*x & 1) ^ 1;
+}
+
+int main() {
+  vec x = { 1, 2, 3, 4 };
+  f(&x);
+  if (x[0] != 0 || x[1] != 1)
+    __builtin_abort();
+  return 0;
+}