gcc/testsuite/gcc.dg/lto/pr61278_0.c

   1 /* { dg-lto-do link } */
   2 /* { dg-lto-options { { -flto -O0 } } } */
   3 /* { dg-extra-ld-options " -flto -O1 " } */
   4
   5 static unsigned int
   6 fn1 (int p1, int p2)
   7 {
   8   return 0;
   9 }
  10
  11 char a, b, c;
  12
  13 char
  14 foo (char *p)
  15 {
  16   int i;
  17   for (b = 1 ; b > 0; b++)
  18     {
  19       for (i = 0; i < 2; i++)
  20         ;
  21       for (a = 1; a > 0; a++)
  22         {
  23           char d[1] = { 0 };
  24           if (*p)
  25             break;
  26           c ^= fn1 (fn1 (fn1 (0, 0), 0), 0);
  27         }
  28     }
  29   return 0;
  30 }