gcc/testsuite/gcc.dg/ipa/modref-3.c

   1 /* { dg-options "-O2 -fdump-ipa-modref"  } */
   2 /* { dg-do link } */
   3 int *ptr;
   4 void linker_error ();
   5 int
   6 main ()
   7 {
   8   int a;
   9   __attribute__((noinline)) int test2 ()
  10   {
  11     ptr = 0;
  12     return a;
  13   }
  14   a = 1;
  15   test2 ();
  16   if (a != 1)
  17     linker_error ();
  18   return 0;
  19 }
  20 /* { dg-final { scan-ipa-dump "Static chain flags: no_direct_clobber no_indirect_clobber no_direct_escape no_indirect_escape not_returned_directly no_indirect_read" "modref" } } */