This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug rtl-optimization/38644] [4.4/4.5/4.6/4.7 Regression] Optimization flag -O1 -fschedule-insns2 causes wrong code


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38644

--- Comment #40 from Sebastian Huber <sebastian.huber@embedded-brains.de> 2011-08-05 06:49:00 UTC ---
(In reply to comment #39)
> On Fri, Aug 5, 2011 at 2:33 AM, jiangning.liu at arm dot com
[...]
> > Is it possible you send me your source code exposing the bug first, so I can
> > verify your problem can really be fixed with my local fix?
> 
> I think this is just from the libstdc++ sources - look at that file
> from the build with --with-mode=thumb .

Yes, this is from the libstdc++ sources (4.6.1 20110627,
libstdc++-v3/libsupc++/new_opnt.cc).  You need a non-EABI ARM variant of GCC
since this bug manifestation will only show up in the SJLJ version.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]