1 /* PR rtl-optimization/84071 */
2 /* Reported by Wilco <wilco@gcc.gnu.org> */
3
4 extern void abort (void);
5
6 typedef union
7 {
8 signed short ss;
9 unsigned short us;
10 int x;
11 } U;
12
13 int f(int x, int y, int z, int a, U u) __attribute__((noclone, noinline));
14
f(int x,int y,int z,int a,U u)15 int f(int x, int y, int z, int a, U u)
16 {
17 return (u.ss <= 0) + u.us;
18 }
19
main(void)20 int main (void)
21 {
22 U u = { .ss = -1 };
23
24 if (f (0, 0, 0, 0, u) != (1 << sizeof (short) * 8))
25 abort ();
26
27 return 0;
28 }
29