tree be617d6f4b224feb8044e7778b35549ce3342f82
parent 949a317e75628c563caa6b584fe48bd15a5dea0f
author Roland McGrath <mcgrathr@google.com> 1579374738 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1579374738 +0000

[gcc_toolchain] Update git branch names

The upstream GCC repository reorganized their branch names.
Also, now track the binutils-2_34 (pre-)release branch.

Change-Id: Ibc27fd3998f75221003b0ff996dfdaa6877cdc93