I realized that the parameter order of ValuesTypes::IsSubType is
inconsistent with the parameter of e.g. DCHECK_LT. DCHECK_LT(a, b) is
satisfied if a < b. For ValueTypes it was the other way around.
ValueTypes::IsSubType(a, b) returned true if b was a subtype of a.

R=mstarzinger@chromium.org

Bug: v8:9183
Change-Id: Ifb192bbecdcfe002ef8ca0887d1497393e16e11e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1649358Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62050}