Avoid unsharing env when context (mrb->c) differs; ref #3668

2026-06-08 16:11:16 +00:00 · 2017-05-27 18:40:15 +09:00
parent 54b45f6a1b
commit 57ffa1c150
1 changed files with 1 additions and 0 deletions
@@ -264,6 +264,7 @@ mrb_env_unshare(mrb_state *mrb, struct REnv *e)
  mrb_value *p;

  if (!MRB_ENV_STACK_SHARED_P(e)) return;
+  if (e->cxt.c != mrb->c) return;
  if (e->cioff == 0 && e->cxt.c == mrb->root_c) return;
  MRB_ENV_UNSHARE_STACK(e);
  if (!e->c) {