v8/test/mjsunit/compiler/osr-warm.js

// Copyright 2013 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// Flags: --use-osr

function f1(x) {
  while (x > 0) {
    x--;
  }
  return x;
}

assertEquals(0, f1(1));
assertEquals(0, f1(200000));

function f2(x) {
  var sum = 1;
  while (x > 0) {
    x--;
    sum++;
  }
  return sum;
}

assertEquals(2, f2(1));
assertEquals(200001, f2(200000));