https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77292
--- Comment #14 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #10) > > t.c:4:13: warning: logical not is only applied to the left hand side of > > comparison [-Wlogical-not-parentheses] > > return !a == (a < b); > > ^~ > > Why is this not a valid warning? Ah, this is on purpose to avoid too many false positives. Sorry for the noise.