[Bug tree-optimization/16179] useless copies not optimized away

[rguenth at tat dot physik dot uni-tuebingen dot de]

------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de  2004-06-24 19:37 -------
Subject: Re:  useless copies not optimized away

Just in case you know, is there a way to tell gcc that in

void foo(const Bar& i)
{
    ...
}

Bar is not modified by side-effects of any function call in foo?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16179