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 7 function foo(x) { Math.sqrt(x); } 8 foo(1); 9 foo(2); 10 %OptimizeFunctionOnNextCall(foo); 11 assertThrows(function() { foo(Symbol()) }, TypeError); 12