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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 17:33:54 -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 17:33 -------
I see a difference here in that gcc doesn't know whether the referenced
object is declared to be volatile, it isn't visible as in PR 21568.
IMHO we actually have a bug here; I don't see anything in the standard which
allows omitting the access here.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|DUPLICATE |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22278