chromium-23.0.1271.91 build fails: error: reinterpret_cast from 'nullptr_t' to 'char *' is not allowed

[Yuri]

I am getting this build error on the freshly updated ports tree on 9.1 
STABLE amd64 with gcc:
   CXX(target) out/Release/obj.target/v8_base.x64/v8/src/sweeper-thread.o
   CXX(target) out/Release/obj.target/v8_base.x64/v8/src/token.o
   CXX(target) out/Release/obj.target/v8_base.x64/v8/src/transitions.o
v8/src/stub-cache.cc:1479:33: error: reinterpret_cast from 'nullptr_t' 
to 'char *' is not allowed
       : GetCodeWithFlags(flags, reinterpret_cast<char*>(NULL));
                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

Yuri