Rolled out r119364 because it's still causing crashes (when running
v8-earley in release builds of DRT)

This time for sure!

* heap/Heap.cpp:
(JSC::Heap::collect):
* heap/MarkedBlock.cpp:
(JSC::MarkedBlock::sweep):
* heap/MarkedBlock.h:
(JSC::MarkedBlock::resetAllocator):
(JSC):
* heap/MarkedSpace.cpp:
(JSC::ResetAllocator::operator()):
(JSC):
(JSC::MarkedSpace::resetAllocators):
(JSC::MarkedSpace::sweepWeakSets):
* heap/MarkedSpace.h:
(MarkedSpace):
* heap/WeakBlock.cpp:
(JSC::WeakBlock::sweep):
* heap/WeakSet.cpp:
(JSC::WeakSet::sweep):
(JSC::WeakSet::tryFindAllocator):
* heap/WeakSet.h:
(JSC::WeakSet::shrink):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@119453 268f45cc-cd09-0410-ab3c-d52691b4dbfc