Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/52b3b491a55f5f3233ca78e0c22c37384b92670e ([errors] Use FATAL macro where possible).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/7621325d797dfdd7ac9ae9f7ab3a1ee1c354bb57

commit 7621325d797dfdd7ac9ae9f7ab3a1ee1c354bb57
Author: Camillo Bruni <cbruni@chromium.org>
Date: Mon Nov 05 12:32:05 2018

[runtime] Harden OptimizeFunctionOnNextCall

Ignore invalid input for all arguments of OptimizeFunctionOnNextCall
potentially produced by fuzzers.

Bug:  chromium:901645 
Change-Id: Ic185812c228a92f8dbb48212c45685bd14892947
Reviewed-on: https://chromium-review.googlesource.com/c/1317567
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57234}
[modify] https://crrev.com/7621325d797dfdd7ac9ae9f7ab3a1ee1c354bb57/src/runtime/runtime-test.cc

ClusterFuzz has detected this issue as fixed in range 57233:57234.

Detailed report: https://clusterfuzz.com/testcase?key=6445385814638592

Fuzzer: ochang_js_fuzzer
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: Ill
Crash Address: 0x55e1cd54584e
Crash State:
  __RT_impl_Runtime_OptimizeFunctionOnNextCall
  v8::internal::Runtime_OptimizeFunctionOnNextCall
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=51276:51277
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=57233:57234

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6445385814638592

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 6445385814638592 is verified as fixed, so closing issue as verified.

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