gcc/testsuite/gcc.c-torture/execute/pr24141.c

   1 // reduced testcase, compile with -O2. Also, with --disable-checking
   2 // gcc produces wrong code.
   3
   4 void abort (void);
   5 int i;
   6
   7 void g (void)
   8 {
   9   i = 1;
  10 }
  11
  12 void f (int a, int b)
  13 {
  14   int c = 0;
  15   if (a == 0)
  16     c = 1;
  17   if (c)
  18     return;
  19   if (c == 1)
  20     c = 0;
  21   if (b == 0)
  22     c = 1;
  23   if (c)
  24     g ();
  25 }
  26
  27 int main (void)
  28 {
  29   f (1, 0);
  30   if (i != 1)
  31     abort ();
  32   return 0;
  33 }