After talking to mjw, the thinking is that it is better to have this be delivered in DTS than in RHEL.
Fixed in: binutils-2.28-7.el7
Verified with build devtoolset-7-binutils-2.28-8.el7.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:3007