[Bug libobjc/23108] alignment bug in libobjc/archive.c

["pinskia at physics dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From pinskia at physics dot uc dot edu  2005-08-15 12:09 -------
Subject: Re:  alignment bug in libobjc/archive.c

> 
> 
> ------- Additional Comments From rassahah at neofonie dot de  2005-08-15 10:41 -------
> (In reply to comment #3)
> > Hmm on powerpc-darwin we get:
> > a = 1, b = 3
> > 
> > 
> > Which is still wrong.
> You mean before or after the application of the suggested patch? Perhaps there may be other alignment 
> constraints on powerpc-darwin than on i686-linux. The alignment with the ROUND-macro as i see it  
> would not work with an alignment constraint any other than `alignment == multiple of data size'.
> BTW: The bug is at least in gcc-2.7.2.3. I am wondering how it got along undetected, since the program 
> with the encoding "{ii}" is an example taken from `Object Oriented Programming & the Objective-C 
> Programming Language'. But however as i checked the various libs that are open source and compilable 
> under linux (libFoundation etc.), nobody uses it. They all handle their serialization of compound object 
> by themselves...
This was before, sorry I did not make that clear.  I do almost all my testing on powerpc-darwin.

-- Pinski


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23108