36 lines · cpp
1// RUN: %clang_cc1 -std=c++1z -verify %s2 3namespace A {4 int m, n;5};6 7namespace B {8 using A::m, A::n, A::n;9 int q = m + n;10}11 12struct X {13 int x1, x2, y, z; // expected-note 2{{conflicting}}14};15struct Y {16 int x1, x2, y, z; // expected-note 2{{target}}17};18struct Z : X, Y {19 using X::x1,20 blah::blah, // expected-error {{undeclared}}21 X::x2, // expected-note {{previous}}22 Y::y,23 X::x2, // expected-error {{redeclaration}}24 X::z,25 Y::z; // expected-error {{conflicts with}}26};27int X::*px1 = &Z::x1;28int X::*px2 = &Z::x2;29int Y::*py = &Z::y;30int X::*pz = &Z::z;31 32template<typename ...T> struct Q : T... {33 using T::z...; // expected-error {{conflicts}}34};35Q<X,Y> q; // expected-note {{instantiation of}}36