1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Flags: --allow-natives-syntax --dead-code-elimination
6
7function foo(x) { Math.fround(x); }
8foo(1);
9foo(2);
10%OptimizeFunctionOnNextCall(foo);
11assertThrows(function() { foo(Symbol()) }, TypeError);
12