------- Additional Comments From gdr at integrable-solutions dot net 2005-07-03 05:18 ------- Subject: Re: gcc -O2 discards cast to volatile
"gcc2eran at tromer dot org" <[EMAIL PROTECTED]> writes: | ------- Additional Comments From gcc2eran at tromer dot org 2005-07-03 05:09 ------- | (In reply to comment #32) | > | I meant that we were mostly concerned about what the standard says about the | > | effect of casting (say) int* into volatile int*, but the other directly is | > | simply undefined. | > | > That is what I do not understand. Could you point me to the relevant | > passage of the C standard? | | (my quote above should read "the other *direction* is simply undefined") "the other direction" was very ambiguous. [...] | > Really? What does quux() does to the object defined through foo then? | | It refers to it through an lvalue whose type is "volatile int", which *is* | volatile-qualified. yes, you're right. -- Gaby -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22278