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8a43a3d761
Pick up the latest branch head for V8 4.7:
be169f8df0
Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7
V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html
PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>
36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbo-filter=test*
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// Tests that TurboFan emits a dynamic hole-check for the temporal dead zone at
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// a non-initializing assignments to a {let} variable.
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function test_hole_check_for_let(a) {
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'use strict';
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{ switch (a) {
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case 0: let x;
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case 1: x = 9;
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}
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}
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}
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assertDoesNotThrow("test_hole_check_for_let(0)");
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assertThrows("test_hole_check_for_let(1)", ReferenceError);
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%OptimizeFunctionOnNextCall(test_hole_check_for_let)
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assertThrows("test_hole_check_for_let(1)", ReferenceError);
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// Tests that TurboFan emits a dynamic hole-check for the temporal dead zone at
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// a non-initializing assignments to a {const} variable.
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function test_hole_check_for_const(a) {
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'use strict';
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{ switch (a) {
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case 0: const x = 3;
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case 1: x = 2;
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}
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}
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}
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assertThrows("test_hole_check_for_const(0)", TypeError);
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assertThrows("test_hole_check_for_const(1)", ReferenceError);
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%OptimizeFunctionOnNextCall(test_hole_check_for_const)
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assertThrows("test_hole_check_for_const(1)", ReferenceError);
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