src/v8/test/mjsunit/regress/regress-crbug-551287.js

// 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 f() { do { } while (true); }

function boom(x) {
  switch(x) {
    case 1:
    case f(): return;
  }
}

%OptimizeFunctionOnNextCall(boom)
boom(1);