Patch for IA64 HP-UX

[Steve Ellcey]

> > 2004-07-15  Steve Ellcey  <sje@cup.hp.com>
> >
> > 	* builtins.c (expand_builtin_stpcpy): Do not create temporary
> > 	reg with VOIDmode.
> 
> OK mainline.  Please check if there is similar code on the 3.4 branch
> and if so give an opinion on whether this patch is desirable there.
> 
> (Does ia64-hpux libc even *have* stpcpy?)
> 
> zw

I checked this in on the main line, there is no similar code on the 3.4
branch.  The code being changed appears to be from a recent change on
the main line made after the 3.4 branch was created.

Actually, none of the HP-UX libc's I checked have a stpcpy.  I don't
know about the validity of a test that checks __builtin_stpcpy on a
system that doesn't have a real stpcpy but at any rate, I'd rather have
the tests pass then fail.

Steve Ellcey
sje@cup.hp.com