suspected might be :

https://chromium.googlesource.com/v8/v8/+/639ce6027b9e7760ce042a8e1e3e0927f9e991d3%5E%21/src/compiler/escape-analysis-reducer.cc

mstarzinger@ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

ClusterFuzz has detected this issue as fixed in range 40285:40286.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5342304581976064

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_ignition_v8_arm_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !escape_analysis_->IsVirtual(node) in escape-analysis-reducer.cc
  
Regressed: V8: r39775:39776
Fixed: V8: r40285:40286

Minimized Testcase (0.27 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95YhKelagwIU89gQs-9KIvQBlWt7l-j_Ij9BcOmIe3-fJrn-Do6LppIt7oo48PbiIsYRK5yyBp_UyOf4Hn3odrE9Xrcpy-C3BdyurshooMQMmyYuL8ZTeM392dZP1otat6KZytsf_iQGs_SZtlJL2-wv8xZjA?testcase_id=5342304581976064
function __f_1(o) {
  var __v_0 = 1;
    __v_3 = o.y;
}
__f_1({y:1.4}, [1]);
__f_1({y:1.6}, [1]);
__v_2 = { x: 1.5 };
(function __f_12() {
})();
  function __f_11() {
    function __f_9() {}
    __f_1({x:1}, [1]);
  }
 __f_11();
  %OptimizeFunctionOnNextCall(__f_11);
 __f_11();


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