72 is the limit, not 71.  See:

    https://stackoverflow.com/a/17792445/912144

Bug: angleproject:4683
Change-Id: Icb53f2d532b9b55e31e3f1593bd2302a3011095e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2230785Reviewed-by: Manh Nguyen <nguyenmh@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>