As per  issue 685680 , assigning to bmeurer@. please confirm and close if already fixed.
Thank you.

ClusterFuzz has detected this issue as fixed in range 446650:446721.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6600287809961984

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Encountered unaccounted use by #962 (Call) in escape-analysis.cc
  v8::internal::compiler::EscapeStatusAnalysis::CheckUsesForEscape
  v8::internal::compiler::EscapeStatusAnalysis::ProcessFinishRegion
  v8::internal::compiler::EscapeStatusAnalysis::Process
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=446318:446618
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=446650:446721

Minimized Testcase (4.05 Kb): https://cluster-fuzz.appspot.com/download/AMIfv959v_oEbt5F7I9n841gwHL-GGKC-mvgHA3sAlfABIlA7upWEkxSAgaK_IOR-sNIJecx_xgXU3pgdOBdzPvpW-Xq2q3z6Zj1_Sg_0upUhAmNY5mjixfMQB3nfye2l2A-xvsdvE6j7YL0X-EeAuq3Od8hGrwCembTSH5l0KixKgbmHSJfsMr_33uCrSh5moQk32FINV6e68f9gEr8W4VhbvWg0lGDboGGVz0FvwVD8mKqJk7YeZUG-ctT13QvefKex4zJhL9BL7ca123JmBeagC1b6QylrkLau9eUDNmn6btb9Eg_fZNhosJJoO8ukQBWTRN9yv-rjfoFYDD6ixN73Wy6Oub2N0BK0UG97DwTwGIZjE6V7c0?testcase_id=6600287809961984

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.