Nice compact repro.

ClusterFuzz has detected this issue as fixed in range 36805:36806.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5253926194774016

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !v8::internal::FLAG_enable_slow_asserts || (!owned || FindObject(address)->IsHea
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_d8_dbg&range=36792:36793
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_d8_dbg&range=36805:36806

Minimized Testcase (0.09 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96g57YncHqQIAyVq58m6hetikUc2hpYlypHhzqJBD_iKjhIAdHqxi4PX9--b80-vF3q26uwktyBDyqsCwXhNeKcqqdozL3rL3fodk9ZtyPbn8X_2CcKGoanKeBh0FVp0q6KnO_ej_cPuUIBhrLXXV3TfC_ZuA
__v_11 = 100000;
__v_4 = new Array(__v_11);
__v_8 = new Array(__v_11);
__v_8.length = 25;
gc();


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 is verified as fixed, closing issue.

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