unpack-be-order.c: Use -Wno-shift-overflow.

	* gcc.dg/vmx/unpack-be-order.c: Use -Wno-shift-overflow.
	* gcc.dg/vmx/unpack.c: Likewise.
	* gcc.target/powerpc/quad-atomic.c: Likewise.

From-SVN: r226032

gcc/testsuite/ChangeLog

+2015-07-21  Marek Polacek  <polacek@redhat.com>
+
+	* gcc.dg/vmx/unpack-be-order.c: Use -Wno-shift-overflow.
+	* gcc.dg/vmx/unpack.c: Likewise.
+	* gcc.target/powerpc/quad-atomic.c: Likewise.
+
 2015-07-20  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/i386/asm-flag-5.c (f_ll): New.

gcc/testsuite/gcc.dg/vmx/unpack-be-order.c

-/* { dg-options "-maltivec=be -mabi=altivec -std=gnu99 -mno-vsx" } */
+/* { dg-options "-maltivec=be -mabi=altivec -std=gnu99 -mno-vsx -Wno-shift-overflow" } */
 
 #include "harness.h"
 

gcc/testsuite/gcc.dg/vmx/unpack.c

+/* { dg-options "-Wno-shift-overflow" } */
+
 #include "harness.h"
 
 #define BIG 4294967295

gcc/testsuite/gcc.target/powerpc/quad-atomic.c

@@ -3,7 +3,7 @@
 /* { dg-skip-if "" { powerpc*-*-*spe* } { "*" } { "" } } */
 /* { dg-require-effective-target p8vector_hw } */
 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
-/* { dg-options "-mcpu=power8 -O2" } */
+/* { dg-options "-mcpu=power8 -O2 -Wno-shift-overflow" } */
 
 /* Test whether we get the right bits for quad word atomic instructions.  */
 #include <stdlib.h>