gcc/testsuite/gcc.dg/torture/pr59166.c

   1 /* PR rtl-optimization/59166 */
   2 /* { dg-additional-options "-fcompare-debug" } */
   3 /* { dg-xfail-if "compare-debug failure" { powerpc-ibm-aix* } { "*" } { "" } } */
   4
   5 int a, b, c, f, g;
   6
   7 void
   8 foo ()
   9 {
  10   for (; b; b++)
  11     for (; f; f = g)
  12       for (; a;)
  13         ;
  14 }
  15
  16 static int
  17 bar (int p)
  18 {
  19   short d;
  20   if (c)
  21     {
  22       for (; f; f = g);
  23       foo ();
  24       d = p;
  25       char e = d;
  26       if (p)
  27         return 1;
  28     }
  29   return p;
  30 }
  31
  32 int
  33 main ()
  34 {
  35   bar (0);
  36   bar (g);
  37   return 0;
  38 }