v8/test/mjsunit/regress/regress-5736.js
marja e87e82b8e7 Force ctxt allocation in eval scopes.
This is another attempt at solving v8:5736; the previous one (r 41723)
regressed code load.

BUG=v8:5736
R=adamk@chromium.org

Review-Url: https://codereview.chromium.org/2583163002
Cr-Commit-Position: refs/heads/master@{#42049}
2017-01-03 20:27:20 +00:00

35 lines
1.0 KiB
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);
})();
eval("let foo = 1; function lazy() { foo = 2; } lazy(); my_global = foo;");
assertEquals(my_global, 2);
// Lexical variable inside a subscope in eval.
eval(`{ let foo = 5;
function not_lazy() { foo = 6; }
not_lazy();
my_global = foo;
}`);
assertEquals(my_global, 6);