2011-01-21 Geoffrey Garen <ggaren@apple.com>

2011-01-21  Geoffrey Garen  <ggaren@apple.com>

        Reviewed by Sam Weinig.

        Moved the mark stack from global data to the heap, since it pertains
        to the heap, and not the virtual machine as a whole.
        https://bugs.webkit.org/show_bug.cgi?id=52930

        SunSpider reports no change.

        * runtime/Heap.cpp:
        (JSC::Heap::Heap):
        (JSC::Heap::markRoots):
        * runtime/Heap.h:
        * runtime/JSGlobalData.cpp:
        (JSC::JSGlobalData::JSGlobalData):
        * runtime/JSGlobalData.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76399 268f45cc-cd09-0410-ab3c-d52691b4dbfc