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[Bug tree-optimization/21564] [4.1 Regression] Fatal miscompile with -O1 -finline-functions
- From: "drab at kepler dot fjfi dot cvut dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 May 2005 01:56:03 -0000
- Subject: [Bug tree-optimization/21564] [4.1 Regression] Fatal miscompile with -O1 -finline-functions
- References: <20050514004500.21564.drab@kepler.fjfi.cvut.cz>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From drab at kepler dot fjfi dot cvut dot cz 2005-05-14 01:56 -------
(In reply to comment #5)
> This is an aliasing issue, -O1 -fno-ivopts -finline-functions works.
> DCE thinks the store to gfp->out_samplerate is dead.
>
> Note the code will seg fault right away anyways, you need the following change
to main:
> Replace:
> lame_global_flags *gf ;
> With:
> lame_global_flags gf1;
> lame_global_flags *gf = &gf1;
Yes, you are absolutely correct. Just a result of too much stripping and 3:00
AM. ;-) But the problem isn't affected by that.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21564