On Mon, Mar 21, 2016 at 01:36:22AM +0100, Joerg Sonnenberger wrote:
> Here is a trivial test case showing that the basic problem exists for
> both clang and gcc:
>
> int a, b
>
> int f(void) {
> return &a != &b;
> }Do you perhaps mean "extern int a, b;"? That's an important distinction. In particular I can't find anything in C99 that guarantees that two such declarations for which storage is not reserved can't refer to the same object. -- David A. Holland [email protected]
