Brad, this bisects to your CL.

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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ClusterFuzz has detected this issue as fixed in range 41690:41691.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4816373903785984

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  memcmp(fresh->address(), new_map->address(), Map::kCodeCacheOffset) == 0 in obje
  
Regressed: V8: r38805:38806
Fixed: V8: r41690:41691

Minimized Testcase (1.68 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96dBkzh05cJJ6jSKdz_KH_Rc2dS8SxmcEgi-u7U6pZKu2MI6lV1C8YwDrG-lm7nZP3PBoHOhweqWIZPxyUIrxv6OxFBXSmDuqm7mCcimWK7vglOSY4RdDinfagvMPLCDFx68Ooqxt-ctn_K5VOnwegMLKuldg?testcase_id=4816373903785984

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 4816373903785984 is verified as fixed, so closing issue.

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