https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86172 --- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> --- At least some of what? I don't follow. _Is_ there anything that prevents us from enabling -Wnull-dereference at -Wextra or -Wall or even by default? Does it have false positives?