v8/test/mjsunit/regress/regress-5736.js
marja ed080e6966 Disable lazy parsing inside eval (see bug).
If the eval contains a let, we need to know whether an inner function
refers to the variable to be able to decide its context allocation
status.

The added test needs https://codereview.chromium.org/2435023002/ too
in order to pass.

BUG=v8:5736

Review-Url: https://codereview.chromium.org/2574753002
Cr-Commit-Position: refs/heads/master@{#41723}
2016-12-15 14:26:58 +00:00

24 lines
758 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var my_global = 0;
// The problem was that we allowed lazy functions inside evals, but did not
// force context allocation on the eval scope. Thus, foo was not context
// allocated since we didn't realize that a lazy function referred to it.
eval(`let foo = 1;
let maybe_lazy = function() { foo = 2; }
maybe_lazy();
my_global = foo;`);
assertEquals(2, my_global);
(function TestVarInStrictEval() {
"use strict";
eval(`var foo = 3;
let maybe_lazy = function() { foo = 4; }
maybe_lazy();
my_global = foo;`);
assertEquals(4, my_global);
})();