https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84919
--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jakub Jelinek from comment #6) > On the other side, the warning matches the documented behavior and it might > be too difficult to add all the exceptions when we know that the argument > will not be really dereferenced. How many exceptions are there, beside %p?