Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6645737854337024

Fuzzer: mbarbella_js_mutation
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x65646e75
Crash State:
  v8::internal::String::GetFlatContent
  v8::internal::Runtime_StringParseInt
  v8::internal::Invoke
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_asan_d8&range=427353:427578

Minimized Testcase (0.24 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95tZhfj5ZORmDzAJfo4eXpotLRbOOYU9jl11p_u0VqidZhK_LccOoM-wyZqZjMg2UyIlrRMG5FjYYNkOJ2Rw-3SFPPKW0b8HVRW1SPFga319BcetkrHyi0TOmzwjl_sBgU8Q-T7ghOE_WTjvXZEYVAeKEubmA?testcase_id=6645737854337024
function __f_8() {
  __v_7 = new Set();
}
function __f_7() {
  __v_7.xyz = 0x826852f4;
}
__f_8();
__f_8();
%OptimizeFunctionOnNextCall(__f_8);
__f_8();
__f_7();
__f_7();
%OptimizeFunctionOnNextCall(__f_7);
__f_7();
__f_8();
__f_7();
parseInt();


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.