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Re: malloc attributes and realloc
"Kaveh R. Ghazi" <ghazi@caip.rutgers.edu> writes:
> Hum, that is surprising. If we can't rely on pointer ordering, then
> libiberty/alloca.c wouldn't work since it uses exactly this ordering
> to detect the stack growth direction and also to detect when storage
> can be freed.
libiberty/alloca.c was never fully portable. It even says so on the
second line of the file. It is merely a good enough implementation
which happens to work where it is needed--namely to bootstrap gcc on
systems on which the native compiler doesn't support alloca.
Ian