gcc/testsuite/gcc.dg/tree-ssa/20030907-2.c

   1 /* PR optimization/12109
   2
   3    This would ICE in tree-ssa-dce.c:process_worklist() when
   4    the function was expecting an SSA_NAME but found a VAR_DECL.  */
   5
   6 /* { dg-do compile } */
   7 /* { dg-options "-O -ftree-dce" } */
   8
   9 void *do_it(void * dest, const void * src);
  10 double *create_float(void);
  11
  12 void parse_rvalue(void **DataPtr)
  13 {
  14   double local = 0.0;
  15   int terms = 1;
  16
  17   *DataPtr = create_float();
  18
  19   switch (terms)
  20     {
  21     case 1:
  22       *((double *)*DataPtr) = local;
  23       break;
  24
  25     case 2:
  26       do_it(*DataPtr, &local);
  27       break;
  28     }
  29 }
  30