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// Copyright 2016 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: --opt --allow-natives-syntax --no-always-opt
function f(b) {
if (b == 1) {
let a = a = 20;
}
}
f(0);
f(0);
%OptimizeFunctionOnNextCall(f);
f(0);
assertOptimized(f);
// Check that hole checks are handled correctly in optimized code.
assertThrows(() => {f(1)}, ReferenceError);
assertOptimized(f);
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