There are two RegExp classes, one in v8 and one in
v8::internal and in some Windows jumbo builds the compiler
tried to use v8::internal when v8 was intended. In normal builds
the compiler does not know about v8::internal::RegExp so
it works anyway.

Bug: v8:9359
Change-Id: I9a39d342ddefd6570d5d070b7c073dc257705969
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1666992
Commit-Queue: Daniel Bratell <bratell@opera.com>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#62272}