gcc/testsuite/gcc.target/m68k/20090709-1.c

   1 /* { dg-do compile } */
   2 /* There should be 3 occurrences of .LC0 in the code:
   3    one for the definition of "0",
   4    one for use in test2().
   5    The occurrence in test1 is collapsed to an integer constant
   6    FIXME: At the moment m68k GCC does not optimize test1() to nop
   7    for some reason.  */
   8 /* { dg-final { scan-assembler-times ".LC0" 2 } } */
   9
  10 void dummy(char *arg);
  11
  12 void test1(void)
  13 {
  14   char tmp[2] = "0";
  15 }
  16
  17 void test2(void)
  18 {
  19   dummy("0");
  20 }