[testsuite,committed]: Fix a test that assumed int is 32 bits.

[Georg-Johann Lay]

Committed as obvious because the test case is clearly about a vector of 
4 * int.

Johann
gcc/testsuite/
        * c-c++-common/builtin-shuffle-1.c (V): Use 4 * int in vector.


Index: c-c++-common/builtin-shuffle-1.c
===================================================================
--- c-c++-common/builtin-shuffle-1.c    (revision 242541)
+++ c-c++-common/builtin-shuffle-1.c    (working copy)
@@ -1,7 +1,7 @@
 /* PR c++/78089 */
 /* { dg-do run } */

-typedef int V __attribute__((vector_size (16)));
+typedef int V __attribute__((vector_size (4 * __SIZEOF_INT__)));
 V a, b, c;

 int