Ruby

merge revision(s) 31e0382723bfb35cffe3ca485dd0577668cafa07,5e5fb72f99701dc27c66ab148471893f14e6d6f0,fb6ebe55d91187d9635e0183d47dbf38e95b1141,522d4cd32f7727886f4fcbc28ed29c08d361ee20: [Backport #17735]

    Keep non evaluated keys in `Hash#transform_keys!` [Bug #17735]

    ---
     hash.c                                     |  6 +++++-
     spec/ruby/core/hash/transform_keys_spec.rb | 12 +++++++++++-
     test/ruby/test_hash.rb                     |  8 ++++++++
     3 files changed, 24 insertions(+), 2 deletions(-)

    Clear an intermediate hash [Bug #17735]

    ---
     hash.c | 1 +
     1 file changed, 1 insertion(+)

    Hide an intermediate array

    ---
     hash.c | 6 ++++--
     1 file changed, 4 insertions(+), 2 deletions(-)

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

    * Force recycle intermediate hash

    * Force recycle intermediate array too

    https://github.com/ruby/ruby/pull/4329#issuecomment-808840718
    ---
     hash.c | 2 ++
     1 file changed, 2 insertions(+)