gcc/libgomp/testsuite/libgomp.c/reduction-6.c

/* { dg-do run } */

extern void abort (void);
int j;
float f;

int
main ()
{
  j = -10000;
  f = 1024.0;
  int i;
  #pragma omp parallel for reduction (min:f) reduction (max:j)
    for (i = 0; i < 4; i++)
      switch (i)
	{
	case 0:
	  if (j < -16) j = -16; break;
	case 1:
	  if (f > -2.0) f = -2.0; break;
	case 2:
	  if (j < 8) j = 8; if (f > 9.0) f = 9.0; break;
	case 3:
	  break;
	}
  if (j != 8 || f != -2.0)
    abort ();
  return 0;
}