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

[gdr at integrable-solutions dot net]

------- Additional Comments From gdr at integrable-solutions dot net  2005-07-02 22:10 -------
Subject: Re:  gcc -O2 discards cast to volatile

"falk at debian dot org" <gcc-bugzilla@gcc.gnu.org> writes:

| 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.

Fully agreed.

| IMHO we actually have a bug here; I don't see anything in the standard which
| allows omitting the access here.

again agreed.

-- Gaby


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