This adds a re-compilation of top level functions in
getPossibleBreakpoints if no candidates could be found.
This step is necessary as the GC may remove SharedFunctionInfo about
top-level functions.

Bug: chromium:1137141
Change-Id: I8830438d78751ba318d65f43d790ee98f306a57e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2696154Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Kim-Anh Tran <kimanh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73008}