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

[ian at airs dot com]

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

--- Comment #24 from Ian Lance Taylor <ian at airs dot com> 2011-02-09 14:10:25 UTC ---
The first branch of darwin_dbx_register_number looks like it will use the wrong
register numbers in debug info.  The second branch looks like it will do the
wrong thing for -gstabs.  I don't think either change is necessary at all given
your other patch.