https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81117
--- Comment #22 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- (In reply to Martin Sebor from comment #21) > I believe the bug you are pointing out was reported in > https://sourceware.org/bugzilla/show_bug.cgi?id=22442 and fixed in Glibc > 2.27. Please see the discussion at > https://sourceware.org/ml/libc-alpha/2017-11/msg00336.html for the > background. Ok, I see, thanks. Maybe an info in this warning message pointing out the other possibility (using __attribute__ ((__nonstring__))) to resolve the other use case would be helpful ?