https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109640
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-13 branch has been updated by Marek Polacek <mpola...@gcc.gnu.org>: https://gcc.gnu.org/g:6b927b1297e66e26e62e722bf15c921dcbbd25b9 commit r13-7276-g6b927b1297e66e26e62e722bf15c921dcbbd25b9 Author: Marek Polacek <pola...@redhat.com> Date: Tue May 2 15:48:40 2023 -0400 c++: Move -Wdangling-reference to -Wextra [PR109642] Sadly, -Wdangling-reference generates false positives for std::span-like user classes, and it seems imprudent to attempt to improve the heuristic in GCC 13. Let's move the warning to -Wextra, that will hopefully reduce the number of false positives the users have been seeing with 13. I'm leaving the warning in -Wall in 14 where I think I can write code to detect std::span-like classes. PR c++/109642 PR c++/109640 PR c++/109671 gcc/c-family/ChangeLog: * c.opt (Wdangling-reference): Move from -Wall to -Wextra. gcc/ChangeLog: * doc/invoke.texi: Document that -Wdangling-reference is enabled by -Wextra.
