PTAL

This is a duplicate of chromium:592340; the only difference is that it's being caught by a DCHECK here and ASAN there. A fix is on the way at https://codereview.chromium.org/1782443002

ClusterFuzz has detected this issue as fixed in range 34635:34636.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4820229915410432

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  kMaxUInt32 != index_ in src/lookup.h
  
Regressed: V8: r34225:34226
Fixed: V8: r34635:34636

Minimized Testcase (0.23 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96jfQjOdKuTA4QrMwcI2oVoBeAJGDHkYbS1M0l79CkJgq23ELe4fPKAqfCyMjmOzA7rWlZmQ8Uga-WKU9oO2_gOOAgj6egLG0wF7IdTRu7vhEI8rbBisfkHSbmuxywdYXHo_rjZ0LjbQkWav5Izs1MZdmxuNg
class MyArray extends Array { }
Object.prototype.constructor = MyArray;
delete Array.prototype.constructor;
__v_1 = Math.pow(2, 31);
__v_2 = [];
__v_2[__v_1] = 31;
__v_4 = [];
__v_4[__v_1 - 2] = 33;
  var __v_3 = __v_2.concat(__v_4);


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