------- Comment #26 from stevenb dot gcc at gmail dot com  2010-05-01 22:30 -------
Subject: Re:  Mach-O LTO support needed for darwin

>    Do you mean the errors which have "symbol xxx can't be undefined in a
> subtraction expression"?

Yes, exactly those.

> A google shows this to look like that discussed
> here...
>
> http://gcc.gnu.org/ml/gcc-bugs/2003-11/msg01552.html
>
> which is apparently PR10901. On gpc seems to have been worked around with a
> --longjmp-all-nonlocal-labels option?

I don't think that's the same problem. With LTO it happens for regular
variables. But perhaps the problems are related.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43729