Rubber stamped by Oliver.

        Roll out r34777 due to multiple assertion failures on tests.

        * ChangeLog:
        * VM/CodeGenerator.cpp:
        (KJS::CodeGenerator::emitJump):
        (KJS::CodeGenerator::emitJumpIfTrueMayCombine):
        (KJS::CodeGenerator::emitJumpIfTrue):
        (KJS::CodeGenerator::emitJumpIfFalse):
        (KJS::CodeGenerator::emitJumpScopes):
        * VM/LabelID.h:
        * VM/Machine.cpp:
        (KJS::Machine::privateExecute):
        * VM/Machine.h:
        * VM/Opcode.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@34781 268f45cc-cd09-0410-ab3c-d52691b4dbfc