casting variadic function pointer to non-variadic function pointer

Jonathan Wakely jwakely.gcc@gmail.com
Mon Apr 7 08:57:00 GMT 2014


On 7 April 2014 09:37, Pavel Andrejs wrote:
> Hi,
>
> I have a question regarding bug 45106
> (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D45106). I know it was
> closed as invalid, but I have a product, which relies on such
> typecasts. I noticed that when I compile it with g++ version 4.4, it
> crashes, but when I use g++ version 4.7 everything seems to work. My
> question is if there were some changes regarding these typecasts and I
> can rely on this in g++ 4.7 or whether this is just coincidence and I
> need to rewrite the code.

I don't think GCC was changed to support that intentionally, the code
is still invalid and not guaranteed to work.



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