| // RUN: %clang_cc1 -std=c++20 -Wc++17-compat -verify -Wno-unused %s |
| |
| class X {}; |
| |
| template<typename T> |
| class B3 { // expected-note {{candidate template ignored: could not match 'B3<T>' against 'int'}} |
| template<X x> B3(T); // expected-warning 2{{non-type template parameter of type 'X' is incompatible with C++ standards before C++20}} \ |
| // expected-note {{candidate template ignored: couldn't infer template argument 'x'}} |
| }; |
| B3 b3 = 0; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'B3'}} \ |
| // expected-note {{while building implicit deduction guide first needed here}} |
