Simplify pointer calculation in `envadjust`.
MODIFY
src/vm.c
src/vm.c
@@ -118,16 +118,16 @@ static inline void
envadjust(mrb_state *mrb, mrb_value *oldbase, mrb_value *newbase)
{
mrb_callinfo *ci = mrb->c->cibase;
+ ptrdiff_t off;
if (newbase == oldbase) return;
+ off = newbase - oldbase;
while (ci <= mrb->c->ci) {
struct REnv *e = ci->env;
if (e && MRB_ENV_STACK_SHARED_P(e)) {
- ptrdiff_t off = e->stack - oldbase;
-
- e->stack = newbase + off;
+ e->stack += off;
}
- ci->stackent = newbase + (ci->stackent - oldbase);
+ ci->stackent += off;
ci++;
}
}

Simplify pointer calculation in `envadjust`.