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// Copyright 2015 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 foo(x) { Math.floor(x); }
%PrepareFunctionForOptimization(foo);
foo(1);
foo(2);
%OptimizeFunctionOnNextCall(foo);
assertThrows(function() { foo(Symbol()) }, TypeError);
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