[Bug c/22278] gcc -O2 discards cast to volatile

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-02 22:20 -------
(In reply to comment #13)
> 
> It is also wrong-code.

This is the opposite view of what JSM said on IRC.  Take it up with him if you believe otherwise.
Basically this is all implemention defined and since we did not document before, we have a chance to 
define it to what we want.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22278