https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69523
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic Status|UNCONFIRMED |NEW Last reconfirmed| |2016-01-28 Ever confirmed|0 |1 --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Not sure how namespace std should be special then though. It seems the specific warning isn't guarded by any warning flag though and thus you can't selectively disable it. Confirmed thus for this issue.