Find it and CL did not provide any possible suspects.
Using Code Search for the file, "v8::internal::Deoptimizer::Deoptimizer" assigning to the concern owner.

@mstarzinger -- Could you please look into the issue, kindly re-assign if this is not related to your changes
Thank You.

ClusterFuzz has detected this issue as fixed in range 42212:42308.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5735186940821504

Fuzzer: inferno_webbot
Job Type: linux_asan_chrome_v8
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  (fixed_size_above_fp + (stack_slots * kPointerSize) - CommonFrameConstants::kFix
  v8::internal::Deoptimizer::Deoptimizer
  v8::internal::Deoptimizer::New
  
Sanitizer: address (ASAN)

Regressed: V8: r42159:42180
Fixed: V8: r42212:42308

Minimized Testcase (0.09 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94_qmZeV0aM-IzCBePYQ6aPzz_PI2OaWSee3iSW9h-kp-UfO5o4of-QwORA5oDK3TRQx-bZbDoSFWM21N_TsbTEKVrU1VXUZz_vvgYJGyomLufx8vHilA6My5I3uDEfUQcVxu7ckts_d2UGqE7-438TM3Ri2Oj2-hATdHOemNWpOPTr8UE0nvQPbe2V5Tf49kUQP-qqXMe1Sa-xtioBaVm-2QB0vYVeuhHbYcy69k6kyXYIB3_h7T2s5M-lnLhgwPs_uuRGmVyhuq0RBXtA_CC0N3Si7NYF0lIJuRacVWqoUiaXKQom--GfLSReoxQFypaF1ELspPVcCw_dd0m9QP56GhJ6RKftDUH5O5xyFbvbifJmMar2GOEH2Y2AchwCQhxDtA9JyZ9asmYA4-sJkY6HtHFymw?testcase_id=5735186940821504
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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 5735186940821504 is verified as fixed, so closing issue.

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