The chromiumos-sdk builder has started failing (as of Dec. 14) in the InitSDK stage, failing to build gcc-4.9.

The error messages is "/var/tmp/portage/sys-devel/gcc-4.9.2-r197/work/gcc-4.9.2/gcc-4.9-build-x86_64-pc-linux-gnu/./gcc/collect-ld: line 106: /usr/x86_64-pc-linux-gnu/binutils-bin/2.23.2/ld.bfd: No such file or directory"

See complete log here: https://luci-logdog.appspot.com/logs/chromeos/buildbucket/cr-buildbucket.appspot.com/8927029353826830624/+/steps/InitSDK/0/stdout