Unreviewed, roll out r208811. It's not sound.

Unreviewed, roll out r208811. It's not sound.

* ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileMaterializeNewObject):
(JSC::FTL::DFG::LowerDFGToB3::allocatePropertyStorage):
(JSC::FTL::DFG::LowerDFGToB3::reallocatePropertyStorage):
(JSC::FTL::DFG::LowerDFGToB3::allocateObject):
(JSC::FTL::DFG::LowerDFGToB3::mutatorFence):
(JSC::FTL::DFG::LowerDFGToB3::setButterfly):
(JSC::FTL::DFG::LowerDFGToB3::splatWordsIfMutatorIsFenced): Deleted.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@208822 268f45cc-cd09-0410-ab3c-d52691b4dbfc