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// 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.
// Flags: --allow-natives-syntax --opt
(function() {
function foo(a) { return a.pop(); }
var x = {};
var a = [x,x,];
assertEquals(x, foo(a));
assertEquals(x, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(undefined, foo(a));
assertOptimized(foo);
})();
(function() {
function foo(a) { return a.pop(); }
var x = 0;
var a = [x,x,];
assertEquals(x, foo(a));
assertEquals(x, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(undefined, foo(a));
assertOptimized(foo);
})();
(function() {
function foo(a) { return a.pop(); }
var x = 0;
var a = [x,x,x];
assertEquals(x, foo(a));
assertEquals(x, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(x, foo(a));
assertOptimized(foo);
})();
(function() {
function foo(a) { return a.pop(); }
var x = {};
var a = [x,x,x];
assertEquals(x, foo(a));
assertEquals(x, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(x, foo(a));
assertOptimized(foo);
})();
(function() {
function foo(a) { return a.pop(); }
var a = [,,];
assertEquals(undefined, foo(a));
assertEquals(undefined, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(undefined, foo(a));
assertOptimized(foo);
})();
(function() {
var pop = Array.prototype.pop;
function foo(a) { return a.pop(); }
var a = [1, 2, 3];
assertEquals(3, foo(a));
assertEquals(2, foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals(1, foo(a));
assertOptimized(foo);
})();
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