should not try to set classpath for frozen classes; ref #3340

9cef2654 · Yukihiro "Matz" Matsumoto · 6ac54734 · 9cef2654
Commit 9cef2654 authored Dec 12, 2016 by Yukihiro "Matz" Matsumoto
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src/class.c src/class.c +3 -1

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--- a/src/class.c
+++ b/src/class.c
@@ -1589,8 +1589,10 @@ mrb_class_path(mrb_state *mrb, struct RClass *c)
      name = mrb_sym2name_len(mrb, sym, &len);
      path = mrb_str_new(mrb, name, len);
    }
+    if (!MRB_FROZEN_P(c)) {
      mrb_obj_iv_set(mrb, (struct RObject*)c, classpath, path);
    }
+  }
  return mrb_str_dup(mrb, path);
 }