vm.c: add assertions instead of `mrb_ensure_hash_type()`.
@@ -2687,7 +2687,7 @@ RETRY_TRY_BLOCK:
int lim = a+b*2+1;
hash = regs[a];
- mrb_ensure_hash_type(mrb, hash);
+ mrb_assert(mrb_type(hash) == MRB_TT_HASH);
for (i=a+1; i<lim; i+=2) {
mrb_hash_set(mrb, hash, regs[i], regs[i+1]);
}
@@ -2697,7 +2697,7 @@ RETRY_TRY_BLOCK:
CASE(OP_HASHCAT, B) {
mrb_value hash = regs[a];
- mrb_ensure_hash_type(mrb, hash);
+ mrb_assert(mrb_type(hash) == MRB_TT_HASH);
mrb_hash_merge(mrb, hash, regs[a+1]);
mrb_gc_arena_restore(mrb, ai);
NEXT;
