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SubjectRe: [PATCH] C undefined behavior fix
On Jan  8, 2002, jtv <> wrote:

> On Tue, Jan 08, 2002 at 01:27:34AM +0100, J.A. Magallon wrote:
>> >
>> > int a = 3;
>> > {
>> > volatile int b = 10;
>> >>>>>>>>> here b changes

> Yes, thank you, that part was obvious already. The question pertained
> to the fact that nobody outside compiler-visible code was being handed
> an address for b, and so the compiler could (if it wanted to) prove
> under pretty broad assumptions that nobody could *find* b to make the
> change in the first place.

How about a debugger?

Alexandre Oliva Enjoy Guarana', see
Red Hat GCC Developer aoliva@{,}
CS PhD student at IC-Unicamp oliva@{,}
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