Shrink activation objects by half
    https://bugs.webkit.org/show_bug.cgi?id=95591

    Reviewed by Sam Weinig.

* dfg/DFGAbstractState.cpp:
(JSC::DFG::AbstractState::execute):
* jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_resolve_global_dynamic):
* llint/LowLevelInterpreter32_64.asm:
* llint/LowLevelInterpreter64.asm:
* runtime/JSActivation.cpp:
(JSC::JSActivation::JSActivation):
* runtime/JSGlobalData.cpp:
(JSC::JSGlobalData::JSGlobalData):
* runtime/JSGlobalData.h:
(JSGlobalData):
* runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::reset):
(JSC::JSGlobalObject::visitChildren):
* runtime/JSGlobalObject.h:
(JSGlobalObject):
(JSC::JSGlobalObject::withScopeStructure):
(JSC::JSGlobalObject::strictEvalActivationStructure):
(JSC::JSGlobalObject::activationStructure):
(JSC::JSGlobalObject::nameScopeStructure):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@127345 268f45cc-cd09-0410-ab3c-d52691b4dbfc