// Copyright 2019 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 --no-always-opt // Flags: --no-stress-flush-bytecode let arr = [1, 2, 3]; function f(useArrayIndex) { let index = useArrayIndex ? '1': '4294967296'; return arr[index]; } %PrepareFunctionForOptimization(f); f(true); f(true); %OptimizeFunctionOnNextCall(f); f(false); assertUnoptimized(f); %PrepareFunctionForOptimization(f); f(true); f(true); %OptimizeFunctionOnNextCall(f); f(true); // no deopt here f(false); assertOptimized(f);