Re: bug in check for stack growth direction in _AC_LIBOBJ_ALLOCA

[Ralf Wildenhues]

* Paul Eggert wrote on Tue, Jun 21, 2011 at 12:19:25AM CEST:
> Testing this is not something for the fainthearted, as it requires
> access to all sorts of strange hosts.  However, it does seem to
> defeat GCC 4.6.0's tail-recursion optimization (-O0 through -O4)
> on my platform, which is what is wanted.

It would be good to make sure GCC 4.6 whole program/link time
optimization doesn't defeat this (I haven't checked).

Thanks,
Ralf