On Wed, May 19, 2021 at 05:39:24PM +0100, Jonathan Wakely via Gcc-patches wrote: > Jakub pointed out I'd forgotten the spaces before the opening parens > for function calls. The attached patch should fix all those, with no > other changes. > > Tested x86_64-linux. OK for trunk?
Nice, this is cool. > --- a/gcc/c-family/c.opt > +++ b/gcc/c-family/c.opt > @@ -431,6 +431,22 @@ Wc++20-compat > C++ ObjC++ Var(warn_cxx20_compat) Warning LangEnabledBy(C++ ObjC++,Wall) > Warn about C++ constructs whose meaning differs between ISO C++ 2017 and ISO > C++ 2020. > > +Wc++11-extensions > +C++ ObjC++ Var(warn_cxx11_extensions) Warning LangEnabledBy(C++ ObjC++,Wall) > Init(1) > +Warn about C++11 constructs in code compiled with an older standard. > + > +Wc++14-extensions > +C++ ObjC++ Var(warn_cxx14_extensions) Warning LangEnabledBy(C++ ObjC++,Wall) > Init(1) > +Warn about C++14 constructs in code compiled with an older standard. > + > +Wc++17-extensions > +C++ ObjC++ Var(warn_cxx17_extensions) Warning LangEnabledBy(C++ ObjC++,Wall) > Init(1) > +Warn about C++17 constructs in code compiled with an older standard. > + > +Wc++20-extensions > +C++ ObjC++ Var(warn_cxx20_extensions) Warning LangEnabledBy(C++ ObjC++,Wall) > Init(1) > +Warn about C++20 constructs in code compiled with an older standard. > + So these are enabled by -Wall but also turned on by default? Let's choose one and then drop either the Init(1) or the LangEnabledBy(C++ ObjC++,Wall) part? Marek