gcc/testsuite/gcc.dg/torture/pr103596.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "--param case-values-threshold=1" } */
   3
   4 int n;
   5
   6 void
   7 qux (int a)
   8 {
   9 }
  10
  11 int
  12 baz (void)
  13 {
  14   return -1;
  15 }
  16
  17 __attribute__ ((returns_twice)) int
  18 bar (int b)
  19 {
  20   if (n != 0)
  21     {
  22       if (b != 2)
  23         if (b != 0)
  24           return n + b;
  25
  26       if (n == 2)
  27         return 0;
  28     }
  29 }
  30
  31 void
  32 foo (void)
  33 {
  34   qux (n);
  35   bar (baz ());
  36 }