Need to freeze string keys.

80b5a56f · Yukihiro "Matz" Matsumoto · e89676a6 · 80b5a56f
Commit 80b5a56f authored Oct 20, 2018 by Yukihiro "Matz" Matsumoto
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src/hash.c src/hash.c +1 -0

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--- a/src/hash.c
+++ b/src/hash.c
@@ -717,6 +717,7 @@ mrb_hash_set(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value val)
 {
  mrb_hash_modify(mrb, hash);

+  key = KEY(key);
  sg_put(mrb, RHASH_TBL(hash), key, val);
  mrb_field_write_barrier_value(mrb, (struct RBasic*)RHASH(hash), key);
  mrb_field_write_barrier_value(mrb, (struct RBasic*)RHASH(hash), val);