R=clemensh@chromium.org
TEST=unittests/WasmOpcodeLengthTest.Statements
BUG=v8:8091

Change-Id: Ia2a01d5c35ace33c9c8a29a8df7b30e3f1e119cc
Reviewed-on: https://chromium-review.googlesource.com/c/1278728Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56606}