src/third_party/mozjs-45/js/src/jit-test/tests/coverage/bug1203695.js

var lfcode = new Array();
lfcode.push = loadFile;
lfcode.push(")");
lfcode.push(`
assertThrowsInstanceOf(function () {}, TypeError);
var g = newGlobal();
`);
getLcovInfo(g);
function loadFile(lfVarx) {
    try {
        evaluate(lfVarx, { noScriptRval : true, compileAndGo : true });
    } catch (lfVare) {}
}