gcc/testsuite/gcc.dg/torture/pr39829.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-w" } */
   3
   4 void f (long);
   5
   6 void foo (void * DAG_temp117584)
   7 {
   8   char  uA;
   9   void* pA;
  10   void* pB;
  11   void* pC;
  12   do {
  13       int DAG_temp117585;
  14       int DAG_temp117586;
  15       void ** __indir_union1 = (void**)DAG_temp117584;
  16       DAG_temp117585 = (long)*__indir_union1;
  17       DAG_temp117586 = DAG_temp117585;
  18       if ( DAG_temp117586 != (int)268435456 )
  19         pA = (void*)&uA;
  20       pB = (void*)&pA;
  21       pC = pB;
  22       union __block_indir0_u {  struct {  long val; }  __indir_struct; }
  23       * __indir_union = (union __block_indir0_u*)pC;
  24       f(__indir_union->__indir_struct.val);
  25
  26       DAG_temp117584 += 64;
  27   } while (1);
  28 }
  29