On Saturday, 18 August 2012 at 18:06:12 UTC, F i L wrote:
If the compiler warned against this error the programmer would likely fix the code to a state which prevents the potential bug this example was originally intended to illustrate.
It is this statement that indicates you didn't fully comprehend what was written in the article.
It is likely that the author will initialize f to a value. In which case you have increased the likelyhood that the incorrect value of 0 will be assigned instead of NAN. So I do not agree that it is likely he will fix the code in a manner that would prevent this bug from happening.
