<rdar://problem/6606660> 2==null returns true in 64bit jit

Reviewed by Mark Rowe

Code for op_eq_null and op_neq_null was incorrectly performing
a 32bit compare, which truncated the type tag from an integer
immediate, leading to incorrect behaviour.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@41103 268f45cc-cd09-0410-ab3c-d52691b4dbfc
7 files changed