| // RUN: %clang_cc1 -fsyntax-only -verify=expected,precxx17,precxx20 %std_cxx98-14 %s |
| // RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx17,precxx20 -std=c++17 %s |
| // RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx20 %std_cxx20- %s |
| |
| template<typename T, T Value> struct Constant; |
| // FIXME: bad location precxx20-error@-1 {{a non-type template parameter cannot have type 'float'}} |
| // expected-note@-2 {{template parameter is declared here}} |
| // cxx20-note@-3 {{template parameter is declared here}} |
| |
| Constant<int, 5> *c1; |
| |
| int x; |
| float f(int, double); |
| |
| Constant<int&, x> *c2; |
| Constant<int*, &x> *c3; |
| Constant<float (*)(int, double), f> *c4; |
| Constant<float (*)(int, double), &f> *c5; |
| |
| Constant<float (*)(int, int), f> *c6; // precxx17-error {{non-type template argument of type 'float (int, double)' cannot be converted to a value of type 'float (*)(int, int)'}} \ |
| cxx17-error {{value of type 'float (int, double)' is not implicitly convertible to 'float (*)(int, int)'}} \ |
| cxx20-error {{value of type 'float (int, double)' is not implicitly convertible to 'float (*)(int, int)'}} |
| |
| Constant<float, 0> *c7; // precxx20-note {{while substituting}} \ |
| cxx20-error {{conversion from 'int' to 'float' is not allowed in a converted constant expression}} |
