| // RUN: %clang_cc1 %s -fsyntax-only -verify |
| // RUN: %clang_cc1 %s -fexperimental-new-constant-interpreter -fsyntax-only -verify |
| |
| template <typename T> |
| constexpr T foo(T a); // expected-note {{declared here}} |
| |
| int main() { |
| int k = foo<int>(5); // Ok |
| constexpr int j = // expected-error {{constexpr variable 'j' must be initialized by a constant expression}} |
| foo<int>(5); // expected-note {{undefined function 'foo<int>' cannot be used in a constant expression}} |
| } |
| |
| template <typename T> |
| constexpr T foo(T a) { |
| return a; |
| } |