Processes running on the same machine and in the same directory should not duplicate work populating identifiers.json. Instead, the cache should be shared between processes.
<rdar://problem/83841221>
Created attachment 440077 [details] Patch
Created attachment 440449 [details] Patch
Created attachment 440450 [details] Patch
Comment on attachment 440450 [details] Patch r=me
Created attachment 440545 [details] Patch for landing
Committed r283751 (242673@main): <https://commits.webkit.org/242673@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 440545 [details].