1/* { dg-do assemble } */
2/* { dg-skip-if "" { pdp11-*-* } { "-O0" } { "" } } */
3
4/* PR optimization/5892 */
5typedef struct { unsigned long a; unsigned int b, c; } A;
6typedef struct { unsigned long a; A *b; int c; } B;
7
8static inline unsigned int
9bar (unsigned int x)
10{
11  unsigned long r;
12  asm ("" : "=r" (r) : "0" (x));
13  return r >> 31;
14}
15
16int foo (B *x)
17{
18  A *y;
19  y = x->b;
20  y->b = bar (x->c);
21  y->c = ({ unsigned int z = 1; (z << 24) | (z >> 24); });
22}
23