Fixed a wrong condition; fix
Shared TT_ENV should be unshared. Reversed condition.
@@ -769,7 +769,7 @@ obj_free(mrb_state *mrb, struct RBasic *obj, int end)
while (ce <= ci) {
struct REnv *e = ci->env;
if (e && !is_dead(&mrb->gc, e) &&
- e->tt == MRB_TT_ENV && MRB_ENV_STACK_SHARED_P(e)) {
+ e->tt == MRB_TT_ENV && !MRB_ENV_STACK_SHARED_P(e)) {
mrb_env_unshare(mrb, e);
}
ci--;
