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Force recycle intermediate collection in Hash#transform_keys! [Bug #17735]

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* Force recycle intermediate hash

* Force recycle intermediate array too

https://github.com/ruby/ruby/pull/4329#issuecomment-808840718
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Kenichi Kamiya 2021-03-28 14:09:52 +09:00 • committed by GitHub
parent 9af57eeed6
commit 522d4cd32f
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Notes: git 2021-03-28 14:10:14 +09:00 
Merged-By: nobu <nobu@ruby-lang.org>
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hash.c
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@ -3294,7 +3294,9 @@ rb_hash_transform_keys_bang(int argc, VALUE *argv, VALUE hash)
rb_hash_aset(new_keys, new_key, Qnil);
}
rb_ary_clear(pairs);
rb_gc_force_recycle(pairs);
rb_hash_clear(new_keys);
rb_gc_force_recycle(new_keys);
}
return hash;
}