With reference to the  Issue 834856 , marking it as Won't Fix

ClusterFuzz has detected this issue as fixed in range 609742:609744.

Detailed report: https://clusterfuzz.com/testcase?key=5760877896400896

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Lifecycle().StateAllowsTreeMutations() in document.cc
  blink::Document::UpdateStyleAndLayoutTreeIgnorePendingStylesheets
  blink::Document::UpdateStyleAndLayoutIgnorePendingStylesheetsForNode
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=609742:609744

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5760877896400896

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.