https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66847
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target|=x86_64-w64-mingw32 | Status|UNCONFIRMED |NEW Last reconfirmed| |2015-07-22 Host|=x86_64-w64-mingw32 | Ever confirmed|0 |1 Known to fail| |5.1.1, 6.0 Build|4.9.2 | --- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- This seems different enough to PR 63151 and PR 66617 to warrant it's own PR. Reduced: struct VBase { }; class Base : public virtual VBase { protected: Base(int, int) {} }; struct Derived : Base { Derived() : Base{1, 1} {} }; Derived myDerived; x.cc: In constructor ‘Derived::Derived()’: x.cc:15:12: error: ‘Base::Base(int, int)’ is protected within this context Base{1, 1} ^ x.cc:7:2: note: declared protected here Base(int, int) ^