Predator and CL did not provide any possible suspects.
Using Code Search for the file, "icu_util.cc" assigning to the concern owner.

Suspecting Commit#
https://chromium.googlesource.com/v8/v8.git/+/2f8cae53f8e29980337ba5c111a05ac66bb882cc

@littledan -- 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 490630:490712.

Detailed report: https://clusterfuzz.com/testcase?key=6247478600138752

Fuzzer: ifratric_acrojs
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: CHECK failure
Crash Address: 
Crash State:
  result in icu_util.cc
  base::i18n::InitializeICU
  content::ContentMainRunnerImpl::Initialize
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=490547:490630
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=490630:490712

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6247478600138752


See https://github.com/google/clusterfuzz-tools 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 6247478600138752 is verified as fixed, so closing issue as verified.

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