with type propagation
https://bugs.webkit.org/show_bug.cgi?id=80819
<rdar://problem/11034006>

Reviewed by Gavin Barraclough.
        
* CMakeLists.txt:
* GNUmakefile.list.am:
* JavaScriptCore.xcodeproj/project.pbxproj:
* Target.pri:
* dfg/DFGArithNodeFlagsInferencePhase.cpp: Removed.
* dfg/DFGArithNodeFlagsInferencePhase.h: Removed.
* dfg/DFGDriver.cpp:
(JSC::DFG::compile):
* dfg/DFGPredictionPropagationPhase.cpp:
(JSC::DFG::PredictionPropagationPhase::isNotNegZero):
(PredictionPropagationPhase):
(JSC::DFG::PredictionPropagationPhase::isNotZero):
(JSC::DFG::PredictionPropagationPhase::propagate):
(JSC::DFG::PredictionPropagationPhase::mergeDefaultArithFlags):
* dfg/DFGVariableAccessData.h:
(JSC::DFG::VariableAccessData::VariableAccessData):
(JSC::DFG::VariableAccessData::flags):
(VariableAccessData):
(JSC::DFG::VariableAccessData::mergeFlags):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@110518 268f45cc-cd09-0410-ab3c-d52691b4dbfc