- SV **lastrelem = PL_stack_sp;
- SV **lastlelem = PL_stack_base + POPMARK;
- SV **firstlelem = PL_stack_base + POPMARK + 1;
- register SV **firstrelem = lastlelem + 1;
- I32 arybase = PL_curcop->cop_arybase;
- I32 lval = PL_op->op_flags & OPf_MOD;
- I32 is_something_there = lval;
-
- register I32 max = lastrelem - lastlelem;
+ SV ** const lastrelem = PL_stack_sp;
+ SV ** const lastlelem = PL_stack_base + POPMARK;
+ SV ** const firstlelem = PL_stack_base + POPMARK + 1;
+ register SV ** const firstrelem = lastlelem + 1;
+ const I32 arybase = PL_curcop->cop_arybase;
+ I32 is_something_there = PL_op->op_flags & OPf_MOD;
+
+ register const I32 max = lastrelem - lastlelem;