https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86733
--- Comment #4 from Emmanuel Thomé <Emmanuel.Thome at inria dot fr> --- (In reply to Jonathan Wakely from comment #3) > (In reply to Emmanuel Thomé from comment #2) > > (In reply to Jonathan Wakely from comment #1) > > > Presumably the handling for the pragma just turns the option on without > > > considering the current cxx_dialect. > > > > It seems to me that it is not consistent with the test case compiling fine > > with g++ -std=c++11 -c foo.cpp , is it ? > > That's why I confirmed it as a bug. If #pragma were just "turning the option on without considering the dialect", then my test case would issue a warning with -std=c++11 too. So there's more stuff that comes into play, it seems.
