Through code search on file objects-debug.cc, possible suspect is
https://chromium.googlesource.com/v8/v8/+/124fbe55ecb3bfdcd9624f4dc28baf77d31fa6b5
cbruni@, could you please take a look and help us to find correct owner if it is not related your changes.

ClusterFuzz has detected this issue as fixed in range 445305:445309.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5438134923034624

Fuzzer: lcamtuf_cross_fuzz
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: CHECK failure
Crash Address: 
Crash State:
  (map()->unused_property_fields())==(actual_unused_property_fields - JSObject::kF
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=443650:443891
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=445305:445309

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95LcFfB51pG8Tkug9qGMDQmRm3lhe3zG38OI6Fhf7K1q53qT-Z-VgL7psMdn79_MoUQhZB3XKKpOtvyzsN2ju-6DssPBqjVfWX0y9KJxHhixzYvRMl9-I31s9SVuH3CyYMaXTbl_eZewIBuLcg3M70UDnW9kpuwZFpkQH7aBG95tPOoX-_z4dJXe6Nox9CGS2OP2AppQ--vT0_WcaNL9yff3UGHJ6S4FjaTpcTaf8mvl0DimYubF5ARSwORiEZB41aBrl_FnZTfIJpauH1SuryolIzFCTCHgVfz0vprzu8sK5wlFTRy8aUWwq2nV1rZ7Vk09IXqrBynH4f6T58VZeDEUAVPU3O_Apqfn8f7fggQvQFE6IM?testcase_id=5438134923034624


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 5438134923034624 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.