v8/test/mjsunit/regress/regress-892742.js

// Copyright 2008 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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function f() {
  return/* Counts as non-line-terminating whitespace */1;
};

// According to ECMA-262, this comment should be parsed as a
// line terminator making g() return undefined.
function g() {
  return/* Counts as line-terminator whitespace.
          */2;
};

function h() {
  return// Comment doesn't include line-terminator at end.
      3;
};


assertEquals(1, f());
assertEquals(undefined, g());
assertEquals(undefined, h());