https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77426
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu.org --- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- For the simplest case (A && A), we warn with -Wlogical-op: int foo(int a, int b, int c) { if(b == c && b == c) return 1; /* warn */ if(a && b == c && b == c) return 2; /* missing warning */ return 0; } Also PR71345.