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comparison clang/test/SemaTemplate/cxx1z-using-declaration.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children 1f2b6ac9f198
comparison
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173:0572611fdcc8 207:2e18cbf3894f
2 2
3 // Test that we cope with failure to expand a pack. 3 // Test that we cope with failure to expand a pack.
4 template<typename ...T> struct Unexpanded : T... { 4 template<typename ...T> struct Unexpanded : T... {
5 using T::f; // expected-error {{unexpanded}} 5 using T::f; // expected-error {{unexpanded}}
6 using typename T::type; // expected-error {{unexpanded}} 6 using typename T::type; // expected-error {{unexpanded}}
7 template<typename ...U> void g(U ...u) { f(u...); } // expected-error {{undeclared identifier 'f'}} 7 template<typename ...U> void g(U ...u) { f(u...); } // expected-error {{explicit qualification required to use member 'f' from dependent base class}}
8 void h() { 8 void h() {
9 Unexpanded<type...> *p; // expected-error {{undeclared identifier 'type'}} 9 Unexpanded<type...> *p; // expected-error {{undeclared identifier 'type'}}
10 } 10 }
11 }; 11 };
12 void test_Unexpanded() { 12 void test_Unexpanded() {
13 struct A { void f(); }; // expected-note {{must qualify}} 13 struct A { void f(); };
14 struct B { void f(int); }; // expected-note {{must qualify}} 14 struct B { void f(int); }; // expected-note {{here}}
15 Unexpanded<A, B>().g(0); // expected-note {{instantiation of}} 15 Unexpanded<A, B>().g(0); // expected-note {{instantiation of}}
16 } 16 }
17 17
18 // Test using non-type members from pack of base classes. 18 // Test using non-type members from pack of base classes.
19 template<typename ...T> struct A : T... { 19 template<typename ...T> struct A : T... {