https://bugs.webkit.org/show_bug.cgi?id=119422

Reviewed by Oliver Hunt.
        
This simplifies some code and also allows Structure to claim that an object
has an indexing header even if it doesn't have indexed properties.
        
I also changed some calls to use hasIndexedProperties() since in some cases,
that's what we actually meant. Currently the two are synonyms.

* dfg/DFGRepatch.cpp:
(JSC::DFG::tryCachePutByID):
(JSC::DFG::tryBuildPutByIdList):
* dfg/DFGSpeculativeJIT.cpp:
(JSC::DFG::SpeculativeJIT::compileAllocatePropertyStorage):
(JSC::DFG::SpeculativeJIT::compileReallocatePropertyStorage):
* runtime/ButterflyInlines.h:
(JSC::Butterfly::create):
(JSC::Butterfly::growPropertyStorage):
(JSC::Butterfly::growArrayRight):
(JSC::Butterfly::resizeArray):
* runtime/IndexingType.h:
* runtime/JSObject.cpp:
(JSC::JSObject::copyButterfly):
(JSC::JSObject::visitButterfly):
(JSC::JSObject::setPrototype):
* runtime/JSObject.h:
(JSC::JSObject::setButterfly):
* runtime/JSPropertyNameIterator.cpp:
(JSC::JSPropertyNameIterator::create):
* runtime/Structure.h:
(JSC::Structure::hasIndexingHeader):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153657 268f45cc-cd09-0410-ab3c-d52691b4dbfc