Re: GCC optimizes integer overflow: bug or feature?

[Robert Dewar]

Dave Korn wrote:

>   Why isn't that just a buggy program with wilful disregard for the use of
> correct synchronisation techniques?

Right, I think most people would agree it is.

But for sure, if you consider that making the code go faster is itself
a change in behavior, then obviously all optimization changes the
behavior, but so does any improvement in the compiler in terms of
the unoptimized code generated.
>     cheers,
>       DaveK