Problems with gcc + exceptions + -pedantic + libiberty.h

[DJ Delorie]

> the patch is incomplete. Perhaps I should have mentioned it, but I also
> have problems with asprintf() and vasprintf() from stdio.h when __USE_GNU is
> enabled.

That doesn't make the patch incomplete; he does solve the problem he
posted.  If there are additional cases that need similar solutions,
they're similar but independent problems.  They can be patched
independently.