gcc/testsuite/gcc.c-torture/execute/20071216-1.c

   1 /* PR rtl-optimization/34490 */
   2
   3 extern void abort (void);
   4
   5 static int x;
   6
   7 int
   8 __attribute__((noinline))
   9 bar (void)
  10 {
  11   return x;
  12 }
  13
  14 int
  15 foo (void)
  16 {
  17   long int b = bar ();
  18   if ((unsigned long) b < -4095L)
  19     return b;
  20   if (-b != 38)
  21     b = -2;
  22   return b + 1;
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   x = 26;
  29   if (foo () != 26)
  30     abort ();
  31   x = -39;
  32   if (foo () != -1)
  33     abort ();
  34   x = -38;
  35   if (foo () != -37)
  36     abort ();
  37   return 0;
  38 }