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[Bug c/22278] gcc -O2 discards cast to volatile
- From: "falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Jul 2005 22:19:30 -0000
- Subject: [Bug c/22278] gcc -O2 discards cast to volatile
- References: <20050702164323.22278.olivier.baudron@m4x.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From falk at debian dot org 2005-07-02 22:19 -------
(In reply to comment #8)
> I can't imagine a programmer casting into a pointer to volatile without really
> meaning it, so if the behavior is not defined by the standard then both
> compatibility and the principle of least astonishment seem to suggest reverting
> to the old behavior.
I agree in principle. It might just turn out to be too hard to guarantee, in
which case we might as well document that.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22278