|  | // Copyright 2018 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 | 
|  |  | 
|  | (function() { | 
|  | function foo(x) { | 
|  | return Math.abs(Math.min(+x, 0)); | 
|  | }; | 
|  | %PrepareFunctionForOptimization(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | assertEquals(NaN, foo()); | 
|  | %OptimizeFunctionOnNextCall(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | })(); | 
|  |  | 
|  | (function() { | 
|  | function foo(x) { | 
|  | return Math.abs(Math.min(-x, 0)); | 
|  | }; | 
|  | %PrepareFunctionForOptimization(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | assertEquals(NaN, foo()); | 
|  | %OptimizeFunctionOnNextCall(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | })(); | 
|  |  | 
|  | (function() { | 
|  | function foo(x) { | 
|  | return Math.abs(Math.max(0, +x)); | 
|  | }; | 
|  | %PrepareFunctionForOptimization(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | assertEquals(NaN, foo()); | 
|  | %OptimizeFunctionOnNextCall(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | })(); | 
|  |  | 
|  | (function() { | 
|  | function foo(x) { | 
|  | return Math.abs(Math.max(0, -x)); | 
|  | }; | 
|  | %PrepareFunctionForOptimization(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | assertEquals(NaN, foo()); | 
|  | %OptimizeFunctionOnNextCall(foo); | 
|  | assertEquals(NaN, foo()); | 
|  | })(); |