Unreviewed, rolling out r90177 and r90179.
        http://trac.webkit.org/changeset/90177
        http://trac.webkit.org/changeset/90179
        https://bugs.webkit.org/show_bug.cgi?id=63790

        It caused crashes on Qt in debug mode (Requested by Ossy on
        #webkit).

        * assembler/MacroAssemblerARM.h:
        (JSC::MacroAssemblerARM::rshift32):
        (JSC::MacroAssemblerARM::supportsFloatingPointSqrt):
        (JSC::MacroAssemblerARM::sqrtDouble):
        * assembler/MacroAssemblerARMv7.h:
        (JSC::MacroAssemblerARMv7::supportsFloatingPointSqrt):
        (JSC::MacroAssemblerARMv7::sqrtDouble):
        * assembler/MacroAssemblerMIPS.h:
        (JSC::MacroAssemblerMIPS::sqrtDouble):
        (JSC::MacroAssemblerMIPS::supportsFloatingPointSqrt):
        * assembler/MacroAssemblerSH4.h:
        (JSC::MacroAssemblerSH4::sqrtDouble):
        * assembler/MacroAssemblerX86.h:
        * assembler/MacroAssemblerX86Common.h:
        * assembler/MacroAssemblerX86_64.h:
        * assembler/X86Assembler.h:
        * create_hash_table:
        * jit/JSInterfaceJIT.h:
        (JSC::JSInterfaceJIT::emitLoadDouble):
        * jit/SpecializedThunkJIT.h:
        (JSC::SpecializedThunkJIT::finalize):
        * jit/ThunkGenerators.cpp:
        * jit/ThunkGenerators.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@90215 268f45cc-cd09-0410-ab3c-d52691b4dbfc