Added file forgotten in commit.

From-SVN: r139731

gcc/testsuite/gcc.target/powerpc/altivec-volatile.c

+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec" } */
+
+/* Check that "volatile" type qualifier is propagated to vector type.  */
+
+#include <altivec.h>
+
+vector float *f (volatile vector float *a)
+{
+  return a;  /* { dg-warning "discards qualifiers" } */
+}
+