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commit	97d18a8d7a989703e67bbb9d3ab358c6da0a8bb6
author	Bin Liu <binliu@fb.com>
	Mon, 6 Apr 2020 16:17:51 +0000 (6 09:17 -0700)
committer	Facebook GitHub Bot <facebook-github-bot@users.noreply.github.com>
	Mon, 6 Apr 2020 16:20:17 +0000 (6 09:20 -0700)
tree	9b6c8b6da6dff7f6c52be1643c00c4698aea59e9	tree \| snapshot (tar.gz zip)
parent	8534dc7656d24d61331453485982f8a1d263d42e	commit \| diff

avoid copying an array when unset a nonexistent key

Reviewed By: billschaller

Differential Revision: D20635467

fbshipit-source-id: fa68141e67a339663bcd45014d71b9052b162243

hphp/runtime/base/hash-table-inl.h		diff \| blob \| blame \| history
hphp/runtime/base/hash-table.h		diff \| blob \| blame \| history
hphp/runtime/base/mixed-array.cpp		diff \| blob \| blame \| history
hphp/runtime/base/mixed-array.h		diff \| blob \| blame \| history
hphp/runtime/base/set-array.cpp		diff \| blob \| blame \| history
hphp/runtime/base/set-array.h		diff \| blob \| blame \| history
hphp/runtime/ext/collections/hash-collection.cpp		diff \| blob \| blame \| history
hphp/runtime/ext/collections/hash-collection.h		diff \| blob \| blame \| history