gccgo not compiling under FreeBSD?

Question

go

Has anyone been able to get the gccgo compiler for FreeBSD? It doesn’t compile for me in any way, I tried 7,8,9 versions, and 32 and 64 bit, different versions of gcc - 4.7.0 and 4.6.3, as well as resp. fresh snapshots ...
There are three obvious jambs in the libgo code (one in proc.c: 1335 and two in thread.c: 147 and : 172, everywhere they handle the sign inaccurately), after fixing, go1 compilation passes, but the binary falls into the crust (sigsegv ), I didn’t start tracing anymore because I waved ... ;(