gcc/testsuite/gcc.dg/pr36015.c

/* PR target/36015 */
/* { dg-do run } */
/* { dg-options "-O0" } */
/* { dg-options "-O0 -mregparm=3" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */

static int test ();

int
main (void)
{
  test (0, 1, 2, 3, 4, 5, 6, 7);
  return 0;
}

static int
test (int a, int b, int c, int d, int e, int f, int g, int h)
{
  if (a != 0 || b != 1 || c != 2 || d != 3
      || e != 4 || f != 5 || g != 6 || h != 7)
    __builtin_abort ();
  return 0;
}