Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/17693fea1a4d834f883e3bb410cb40f419c3201b (Reland "[test] Initialize slow-dcheck runtime flag with compile time value").

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.

To clusterfuzz sheriff...

Unsure if this impacts stable or caused due to recent enabling of slow assert, please adjust impact and milestone labels if needed.

Reduced repro ...

let a = [3.34];
function f() {}
a.shift();
f(...a);

Caused by the following, crashes even before this change, but differently ...

commit cb29d62068003e5138e957f3232872f7dfc33961
Author: Camillo Bruni <cbruni@chromium.org>
Date:   Wed Jun 6 11:42:25 2018 +0200

    [CSA] Fix assertion in CallOrConstructDoubleVarargs with empty FixedArray
    
    Bug:  chromium:850005 
    Change-Id: I287a274b86941e7d29705a24e479e4a02ecdfb07
    Reviewed-on: https://chromium-review.googlesource.com/1088608
    Reviewed-by: Jakob Gruber <jgruber@chromium.org>
    Commit-Queue: Camillo Bruni <cbruni@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#53546}

I think jkummerow@ fixed this recently by fixing the asserts.
Will check.

Confirmed that jakob's CL fixes the failing check.

ClusterFuzz has detected this issue as fixed in range 54148:54149.

Detailed report: https://clusterfuzz.com/testcase?key=6307002863845376

Fuzzer: ochang_js_fuzzer
Job Type: linux_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !v8::internal::FLAG_enable_slow_asserts || (object->IsSmi()) in objects-inl.h
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_d8_dbg&range=53905:53906
Fixed: https://clusterfuzz.com/revisions?job=linux_d8_dbg&range=54148:54149

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6307002863845376

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.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

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