Avoid using 'mrb_str_new_static` if a symbol is packed; fix #4342

b8f00e43 · Yukihiro "Matz" Matsumoto · 55986123 · b8f00e43
Commit b8f00e43 authored Mar 27, 2019 by Yukihiro "Matz" Matsumoto
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src/symbol.c src/symbol.c +4 -0

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--- a/src/symbol.c
+++ b/src/symbol.c
@@ -325,6 +325,10 @@ mrb_sym_to_s(mrb_state *mrb, mrb_value sym)
  mrb_int len;

  p = mrb_sym2name_len(mrb, id, &len);
+#ifndef MRB_ENABLE_SYMBOLL_ALL
+  if (p == mrb->symbuf)
+    return mrb_str_new(mrb, p, len);
+#endif
  return mrb_str_new_static(mrb, p, len);
 }