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Date: Sat, 02 Jul 2005 16:59:00 -0000
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From: "olivier dot baudron at m4x dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/22278] gcc -O2 discards cast to volatile
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------- Additional Comments From olivier dot baudron at m4x dot org  2005-07-02 16:59 -------
I am not sure this is the same problem.
Besides, the following code is *not* optimized away with -O2:

void test (volatile char *addr) {
        *addr;
}


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