Can compiler optimization introduce bugs?

Question

Today I had a discussion with a friend of mine and we debated for a couple of hours about \"compiler optimization\".

I defended the point that sometimes

Answer 1

As I recall, early Delphi 1 had a bug where the results of Min and Max were reversed. There was also an obscure bug with some floating point values only when the floating point value was used within a dll. Admittedly, it has been more than a decade, so my memory may be a bit fuzzy.