They were there to avoid a GCC bug. Now that we do not support GCC 4 any
more, we can remove this workaround.

R=ahaas@chromium.org

Bug: v8:9810
Change-Id: I9346671cc1c5f0c83b47d0cfbd313cd1eb2179a7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1910104Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64893}