.. in which the given map already matched the default map provided by
SharedFunctionInfo::function_map_index().

Bug: v8:8888,v8:11147
Change-Id: I43f51219e1c9534760c653049ac64bc6021c6a75
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2530876
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71107}