gcc/testsuite/gcc.dg/pr48141.c

   1 /* PR rtl-optimization/48141 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O" } */
   4
   5 #define A i = 0;
   6 #define B A A A A A A A A A A
   7 #define C B B B B B B B B B B
   8 #define D C C C C C C C C C C
   9 #define E D D D D D D D D D D
  10
  11 int
  12 foo (void)
  13 {
  14   volatile int i = 0;
  15   E E E E E E E E E E E
  16   return 0;
  17 }