1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-optimized -Wno-psabi" } */
3 
4 typedef int v4si __attribute__((vector_size(16)));
5 
f(v4si t)6 int f(v4si t)
7 {
8   union {
9       v4si t1;
10       int t2[4];
11   } u;
12   u.t1 = t;
13   return u.t2[1];
14 }
15 
16 /* { dg-final { scan-tree-dump-not "u;" "optimized" } } */
17 /* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 1 "optimized" } } */
18