Created attachment 318744 [details] emerge fail log =sys-devel/binutils-2.22-r1 fails to build with clang-3.1-r4
It also fails with clang-3.1-r5, but with different error.
Created attachment 323664 [details] build.log for clang-3.1-r5
This is a bug in Clang. I have added the upstream bug to "See Also".
should be fixed in latest clang version