e3e8ea5d65
To be consistent with the all the other tiers and avoid confusion, we rename --opt to ---turbofan, and --always-opt to --always-turbofan. Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80336}
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
// Copyright 2014 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 --turbofan --no-always-turbofan
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var v = 0;
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// Test that elements setters/getters on prototype chain set after the fact are
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// property detected and don't lead to overzealous optimization.
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var my_array_proto = {};
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my_array_proto.__proto__ = [].__proto__;
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function push_wrapper_2(array, value) {
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array.push(value);
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}
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%PrepareFunctionForOptimization(push_wrapper_2);
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array = [];
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array.__proto__ = my_array_proto;
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push_wrapper_2(array, 66);
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assertEquals(1, array.length);
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assertEquals(0, v);
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assertEquals(66, array[0]);
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push_wrapper_2(array, 77);
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assertEquals(2, array.length);
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assertEquals(0, v);
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assertEquals(77, array[1]);
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%OptimizeFunctionOnNextCall(push_wrapper_2);
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push_wrapper_2(array, 88);
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assertEquals(3, array.length);
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assertEquals(0, v);
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assertEquals(88, array[2]);
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assertOptimized(push_wrapper_2);
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// Defining accessor should deopt optimized push.
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Object.defineProperty(my_array_proto, "3", {
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get: function() { return "get " + v; },
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set: function(value) { v += value; }
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});
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assertUnoptimized(push_wrapper_2);
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push_wrapper_2(array, 99);
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assertEquals(4, array.length);
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assertEquals(99, v);
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assertEquals("get 99", array[3]);
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