might be this is the suspected  cl ;

https://chromium.googlesource.com/v8/v8/+/a474e84181fb6b19cc8c48cab29d670bf6302ab7%5E%21/src/compiler.cc

rmcilroy@ could you please look into this. Thank you 

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/ae752848c8fd88a9b002fb1cc704413afa0bc897

commit ae752848c8fd88a9b002fb1cc704413afa0bc897
Author: rmcilroy <rmcilroy@chromium.org>
Date: Tue Jul 26 14:46:23 2016

[Interpreter] Fix compiler.cc to consistently check for FLAG_ignition in ShouldUseIgnition.

BUG= chromium:631158 

Review-Url: https://codereview.chromium.org/2185623002
Cr-Commit-Position: refs/heads/master@{#38058}

[modify] https://crrev.com/ae752848c8fd88a9b002fb1cc704413afa0bc897/src/compiler.cc

ClusterFuzz has detected this issue as fixed in range 38057:38058.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4860760547393536

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !info->shared_info()->is_compiled() in compiler.cc
  
Regressed: V8: r38001:38002
Fixed: V8: r38057:38058

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv978eiWcJDoOrGOff7KTNjCWsdb6mE3bqdJULCj0GmEQDQvrZei4EPicdGusvwLq3CnrbQBN30ZL4a0LbR5Az9U665_4cbyttW5bbiYGWj4A2f1aAodS7UxljWnIzl2QxgO6BlLukFPlAEGnGkVs3QsfmywYfw?testcase_id=4860760547393536

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