[Bug target/47324] r157762 caused g++.dg/torture/stackalign failures with -O3 -g at -m32 on darwin

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47324

--- Comment #37 from Iain Sandoe <iains at gcc dot gnu.org> 2011-02-10 17:40:57 
UTC ---
(In reply to comment #36)
> Yes (though, I'm not a dwarf2out maintainer, so you'll need to ask for
> approval).

unfortunately, this causes problems for some PPC cases with -g ... 
.. lots of ices in rs6000_dbx_register_number () ...

will have to investigate...