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Pick up the latest set of patch level updates from the V8 5.0 branch. https://github.com/v8/v8/compare/5.0.71.35...5.0.71.47 PR-URL: https://github.com/nodejs/node/pull/6572 Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: JungMinu - Minwoo Jung <jmwsoft@gmail.com>v6.x
Ali Ijaz Sheikh
9 years ago
committed by
Evan Lucas
Evan Lucas
39 changed files with 736 additions and 784 deletions
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// Copyright 2016 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
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var f = (function() { |
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"use asm"; |
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function foo(x) { |
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return x == 0; |
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} |
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return foo; |
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})(); |
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function deopt(f) { |
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return { |
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toString : function() { |
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%DeoptimizeFunction(f); |
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return "2"; |
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} |
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}; |
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} |
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%OptimizeFunctionOnNextCall(f); |
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assertFalse(f(deopt(f))); |
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// Copyright 2016 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
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var f = (function() { |
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"use asm"; |
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function foo(x) { |
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return x < x; |
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} |
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return foo; |
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})(); |
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function deopt(f) { |
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return { |
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toString : function() { |
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%DeoptimizeFunction(f); |
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return "2"; |
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} |
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}; |
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} |
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%OptimizeFunctionOnNextCall(f); |
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assertFalse(f(deopt(f))); |
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// Copyright 2016 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
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var global = {} |
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var fish = [ |
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{'name': 'foo'}, |
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{'name': 'bar'}, |
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]; |
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for (var i = 0; i < fish.length; i++) { |
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global[fish[i].name] = 1; |
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} |
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function load() { |
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var sum = 0; |
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for (var i = 0; i < fish.length; i++) { |
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var name = fish[i].name; |
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sum += global[name]; |
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} |
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return sum; |
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} |
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load(); |
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load(); |
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%OptimizeFunctionOnNextCall(load); |
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load(); |
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assertOptimized(load); |
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function store() { |
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for (var i = 0; i < fish.length; i++) { |
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var name = fish[i].name; |
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global[name] = 1; |
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} |
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} |
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store(); |
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store(); |
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%OptimizeFunctionOnNextCall(store); |
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store(); |
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assertOptimized(store); |
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// Regression test for KeyedStoreIC bug: would use PROPERTY mode erroneously.
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function store_element(obj, key) { |
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obj[key] = 0; |
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} |
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var o1 = new Array(3); |
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var o2 = new Array(3); |
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o2.o2 = "o2"; |
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var o3 = new Array(3); |
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o3.o3 = "o3"; |
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var o4 = new Array(3); |
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o4.o4 = "o4"; |
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var o5 = new Array(3); |
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o5.o5 = "o5"; |
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// Make the KeyedStoreIC megamorphic.
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store_element(o1, 0); // Premonomorphic
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store_element(o1, 0); // Monomorphic
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store_element(o2, 0); // 2-way polymorphic.
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store_element(o3, 0); // 3-way polymorphic.
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store_element(o4, 0); // 4-way polymorphic.
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store_element(o5, 0); // Megamorphic.
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function inferrable_store(key) { |
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store_element(o5, key); |
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} |
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inferrable_store(0); |
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inferrable_store(0); |
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%OptimizeFunctionOnNextCall(inferrable_store); |
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inferrable_store(0); |
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assertOptimized(inferrable_store); |
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// If |inferrable_store| emitted a generic keyed store, it won't deopt upon
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// seeing a property name key. It should have inferred a receiver map and
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// emitted an elements store, however.
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inferrable_store("deopt"); |
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assertUnoptimized(inferrable_store); |
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// Copyright 2016 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: --expose-debug-as debug
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var Debug = debug.Debug; |
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var exception = null; |
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function listener(event, exec_state, event_data, data) { |
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if (event != Debug.DebugEvent.Break) return; |
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try { |
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assertThrows(() => exec_state.frame(0).evaluate("bar.baz"), ReferenceError); |
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} catch (e) { |
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exception = e; |
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} |
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} |
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Debug.setListener(listener); |
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(function() { |
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debugger; // bar is still in TDZ at this point.
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let bar = 1; |
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(x => bar); // force bar to be context-allocated.
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})(); |
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Debug.setListener(null); |
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assertNull(exception); |
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// Copyright 2016 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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new class extends new Proxy(class {},{}) {} |
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