Repro:
let v = {
  valueOf: function fn() {
    print(fn.caller);
  }
};
let g = f => f();
g(() => Number(v));


In default config:
function Number() { [native code] }

With --always-opt:
() => Number(v)

 Issue 722109  has been merged into this issue.

ClusterFuzz has detected this issue as fixed in range 45316:45317.

Detailed report: https://clusterfuzz.com/testcase?key=5890330787577856

Fuzzer: foozzie_js_mutation
Job Type: v8_foozzie
Platform Id: linux

Crash Type: V8 correctness failure
Crash Address: 
Crash State:
  configs: x64,ignition:x64,ignition_turbo_opt
  sources: 4eb
  
Sanitizer: address (ASAN)

Regressed: V8: 45011:45012
Fixed: V8: 45316:45317

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5890330787577856


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.