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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s
namespace [[deprecated]] {} // expected-warning {{'deprecated' attribute on anonymous namespace ignored}}
namespace [[deprecated]] N { // expected-note 4{{'N' has been explicitly marked deprecated here}}
int X;
int Y = X; // Ok
int f();
}
int N::f() { // Ok
return Y; // Ok
}
void f() {
int Y = N::f(); // expected-warning {{'N' is deprecated}}
using N::X; // expected-warning {{'N' is deprecated}}
int Z = X; //Ok
}
void g() {
using namespace N; // expected-warning {{'N' is deprecated}}
int Z = Y; // Ok
}
namespace M = N; // expected-warning {{'N' is deprecated}}
// Shouldn't diag:
[[nodiscard, deprecated("")]] int PR37935();
namespace cxx20_concept {
template <typename>
concept C __attribute__((deprecated)) = true; // #C
template <C T>
// expected-warning@-1 {{'C' is deprecated}}
// expected-note@#C {{'C' has been explicitly marked deprecated here}}
void f();
namespace GH98164 {
template <int>
auto b() = delete; // #b
decltype(b<0>()) x;
// expected-error@-1 {{call to deleted function 'b'}}
// expected-note@#b {{candidate function [with $0 = 0] has been explicitly deleted}}
} // namespace GH98164
} // namespace cxx20_concept
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