67c608a969
Now with concepts support merged and mostly complete, we do not need -fconcepts-ts (which was also misleading as we were not implementing the TS) and can enable concepts features under C++2a. A warning will be generated if users still attempt to use -fconcepts-ts.
21 lines
757 B
C++
21 lines
757 B
C++
// RUN: %clang_cc1 -std=c++2a -verify %s
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template<typename T>
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class A {
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virtual void f1() requires (sizeof(T) == 0);
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// expected-error@-1{{virtual function cannot have a requires clause}}
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virtual void f2() requires (sizeof(T) == 1);
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// expected-error@-1{{virtual function cannot have a requires clause}}
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};
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template<typename T>
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class B : A<T> {
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virtual void f1() requires (sizeof(T) == 0) override {}
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// expected-error@-1{{virtual function cannot have a requires clause}}
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};
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template<typename T> struct C : T {void f() requires true; };
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// expected-error@-1{{virtual function cannot have a requires clause}}
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struct D { virtual void f(); };
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template struct C<D>;
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// expected-note@-1{{in instantiation of template class 'C<D>' requested here}}
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