https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65120
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic Status|UNCONFIRMED |NEW Last reconfirmed| |2015-02-19 Known to work| |4.9.2 Target Milestone|--- |5.0 Summary|[gcc5] |[5 Regression] |Wlogical-not-parentheses |Wlogical-not-parentheses |should not warn about |should not warn about |double exclamation !! |double exclamation !! Ever confirmed|0 |1 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- testcase you can compile and which warns with -Wall int a, b; int main() { if (!!a == b) return 1; return 0; }