src/third_party/mozjs-45/js/src/jit-test/tests/ion/bug1054241.js

setJitCompilerOption("baseline.warmup.trigger", 10);
setJitCompilerOption("ion.warmup.trigger", 20);

enableShellObjectMetadataCallback();
(function(){
  for(var i = 0; i < 100; i++) {
    try{
      var a = new Array(5);
      throw 1;
    } catch(e) {}
  }
})();