https://bugs.webkit.org/show_bug.cgi?id=69466

Reviewed by Oliver Hunt.

* heap/Heap.cpp:
(JSC::Heap::addFinalizer):
(JSC::Heap::FinalizerOwner::finalize):
* heap/Heap.h: New function for adding an arbitrary finalizer for an
arbitrary cell without declaring any special classes or Handles yourself.

* JavaScriptCore.exp: Fix build.

* runtime/Executable.cpp:
(JSC::ExecutableBase::clearCode):
(JSC::ExecutableBase::clearCodeVirtual):
(JSC::EvalExecutable::clearCodeVirtual):
(JSC::ProgramExecutable::clearCodeVirtual):
(JSC::FunctionExecutable::discardCode):
(JSC::FunctionExecutable::clearCodeVirtual):
* runtime/Executable.h:
(JSC::ExecutableBase::finishCreation): Use the new mechanism for eager
finalization of executables.

* runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::clearRareData):
* runtime/JSGlobalObject.h:
(JSC::JSGlobalObject::createRareDataIfNeeded):
(JSC::JSGlobalObject::registerWeakMap): Use the new mechanism for eager
finalization of weak maps.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@96760 268f45cc-cd09-0410-ab3c-d52691b4dbfc