1  /* PR debug/56154 */
       2  /* { dg-do run } */
       3  /* { dg-options "-g" } */
       4  /* { dg-additional-sources "pr56154-aux.c" } */
       5  
       6  #include "../nop.h"
       7  
       8  union U { int a, b; };
       9  volatile int z;
      10  
      11  __attribute__((noinline, noclone)) int
      12  foo (int fd, union U x)
      13  {
      14    int result = x.a != 0;
      15    if (fd != 0)
      16      result = x.a == 0;
      17    asm (NOP : : : "memory");	  /* { dg-final { gdb-test pr56154-1.c:17 "x.a" "4" } } */
      18    z = x.a;
      19    x.a = 6;
      20    asm (NOP : : : "memory");	  /* { dg-final { gdb-test pr56154-1.c:20 "x.a" "6" { xfail { aarch64*-*-* && { any-opts "-Og" } } } } } */
      21    return result;
      22  }
      23  
      24  void
      25  test_main (void)
      26  {
      27    union U u = { .a = 4 };
      28    foo (0, u);
      29  }