Fix Intl.ListFormat long strings cause SEGMAP_ERR
Add slow regression test.

Bug: chromium:1044570
Change-Id: I20e3523832ac3c69e88c11bd530122bbe782ad01
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2032712Reviewed-by: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66140}