llvm-for-llvmta/tools/clang/test/Misc/diag-inline-namespace.cpp

51 lines
2.8 KiB
C++

// RUN: %clang_cc1 -verify %s -std=c++20
// We avoid printing the name of an inline namespace unless it's necessary to
// uniquely identify the target.
namespace N {
inline namespace A {
inline namespace B {
inline namespace C {
int f, g, h, i, j;
struct f; struct g; struct h; struct i; struct j;
}
struct g;
struct j;
}
struct h;
}
struct i;
struct j;
template<int*> struct Q; // expected-note 5{{here}}
Q<&A::B::C::f> q1; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::f>'}}
Q<&A::B::C::g> q2; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::C::g>'}}
Q<&A::B::C::h> q3; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::B::h>'}}
Q<&A::B::C::i> q4; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::A::i>'}}
Q<&A::B::C::j> q5; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::C::j>'}}
template<typename> struct R; // expected-note 5{{here}}
R<struct A::B::C::f> r1; // expected-error {{implicit instantiation of undefined template 'N::R<N::f>'}}
R<struct A::B::C::g> r2; // expected-error {{implicit instantiation of undefined template 'N::R<N::C::g>'}}
R<struct A::B::C::h> r3; // expected-error {{implicit instantiation of undefined template 'N::R<N::B::h>'}}
R<struct A::B::C::i> r4; // expected-error {{implicit instantiation of undefined template 'N::R<N::A::i>'}}
R<struct A::B::C::j> r5; // expected-error {{implicit instantiation of undefined template 'N::R<N::C::j>'}}
// Make the name N::C ambiguous.
inline namespace A { int C; }
template<int*> struct S; // expected-note 5{{here}}
S<&A::B::C::f> s1; // expected-error {{implicit instantiation of undefined template 'N::S<&N::f>'}}
S<&A::B::C::g> s2; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::C::g>'}}
S<&A::B::C::h> s3; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::h>'}}
S<&A::B::C::i> s4; // expected-error {{implicit instantiation of undefined template 'N::S<&N::A::i>'}}
S<&A::B::C::j> s5; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::C::j>'}}
template<typename> struct T; // expected-note 5{{here}}
T<struct A::B::C::f> t1; // expected-error {{implicit instantiation of undefined template 'N::T<N::f>'}}
T<struct A::B::C::g> t2; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::C::g>'}}
T<struct A::B::C::h> t3; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::h>'}}
T<struct A::B::C::i> t4; // expected-error {{implicit instantiation of undefined template 'N::T<N::A::i>'}}
T<struct A::B::C::j> t5; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::C::j>'}}
}