On IA32 we use InstanceofStub::left(), but on x64 we have just used rax and rdx directly. This fixes the assertion crashes on x64 crankshaft.


Review URL: http://codereview.chromium.org/6596101

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00