Add a minor hack to avoid using isNullPointerConstant on a hot path.  Fixes -O0 compile-time regressions from r133196.

rdar://9629775 .



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133290 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed