ClusterFuzz has detected this issue as fixed in range 455056:455060.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4826634541858816

Fuzzer: mbarbella_js_mutation
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Encountered unaccounted use by #132 (ObjectIsNaN) in escape-analysis.cc
  
Sanitizer: undefined (UBSAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_d8&range=454793:454796
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_d8&range=455056:455060

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97wlmLnUYYLPMxZMpQgZDJGLRm6CjRwR0ORYncPlKPeOEvalbxBCibxEc_06TyEpF7MMIlE96QKzZ41cjbqBHowNQUifRU2h_4DDp9o683gpfVKsi-P2YpON0d6GT2rV1Ff8hZacKgJQyCtBkoDU_OItgMQ0ajWJ8ylcQ5n8mGuPdCdNpm9n7yo_EVp8orqxmo8Eca2yIm6HLXGcH0B3JOTj60gBh0m-Lg50yO6NYhJhUK0W4acoHmegxcIb8m12QdzTuU2_v4hkHHYUHCSbBlBtPLgLO9dtDKvm35vi6jtBS6GKiX48CVom5WfqL3RFhp8EcbPDOiBRBobgk_6H1DQfx4A0O_AQwSki6dAsMfbR3nKeAg?testcase_id=4826634541858816


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 4826634541858816 is verified as fixed, so closing issue.

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