object. This removed another 160,000 of the remaining 580,000
	garbage collected object allocations.

	6% speed increas on cvs-js-performance test.

        * kjs/completion.cpp: Added. New implementation that doesn't
	require a ValueImp *.
        (Completion::Completion):
        (Completion::complType):
        (Completion::value):
        (Completion::target):
        (Completion::isValueCompletion):
        * kjs/completion.h: Added.
        * kjs/function.cpp:
	(GlobalFuncImp::call): Removed some (apparently mistaken) uses of
	Completion as a Value.
        * kjs/internal.cpp:
        * kjs/internal.h:
        * kjs/types.cpp: Removed Completion stuff.
        * kjs/types.h: Removed Completion stuff.
        * JavaScriptCore.pbproj/project.pbxproj: Added new header.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@1859 268f45cc-cd09-0410-ab3c-d52691b4dbfc