/* gcc -std=c89 -gctf -g -mtune=generic -march=x86-64 -c \
* -o test-PR26568-2.o test-PR26568-2.c */
union A {
struct {
int x;
};
long y;
void fun(union A * a) {
a->x = 0;
a->y = 0x0102030405060708ULL;
}