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07f3388fff
This reverts commit a24523ac8dc07f3478311a5969184b922b520395. This is causing significant compile-time regressions for C++ code, see: https://github.com/llvm/llvm-project/pull/126088#issuecomment-2704874202
28 lines
1.4 KiB
C++
28 lines
1.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify=expected,precxx17 %std_cxx98-14 %s
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// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx17 %std_cxx17- %s
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template<typename T,
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int I,
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template<typename> class TT>
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class A; // precxx17-note 3 {{template is declared here}} \
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cxx17-note 2 {{template is declared here}} \
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cxx17-note {{candidate template ignored: couldn't infer template argument 'T'}} \
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cxx17-note {{implicit deduction guide declared as 'template <typename T, int I, template <typename> class TT> A(A<T, I, TT>) -> A<T, I, TT>'}} \
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cxx17-note {{candidate function template not viable: requires 1 argument, but 0 were provided}} \
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cxx17-note {{implicit deduction guide declared as 'template <typename T, int I, template <typename> class TT> A() -> A<T, I, TT>'}} \
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template<typename> class X;
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A<int, 0, X> * a1;
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A<float, 1, X, double> *a2; // expected-error{{too many template arguments for class template 'A'}}
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A<float, 1> *a3; // expected-error{{too few template arguments for class template 'A'}}
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A a4; // precxx17-error{{use of class template 'A' requires template arguments}} \
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cxx17-error{{no viable constructor or deduction guide for deduction of template arguments of 'A'}}
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namespace test0 {
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template <class t> class foo {};
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template <class t> class bar {
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bar(::test0::foo<tee> *ptr) {} // expected-error {{use of undeclared identifier 'tee'}}
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};
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}
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