1 // RUN: %clang_cc1 -std=c++17 -verify %s -Werror -Wdeprecated -Wno-error=deprecated-redundant-constexpr-static-def 2 3 namespace { 4 struct A { 5 static constexpr int n = 0; 6 static constexpr int m = 0; 7 }; 8 constexpr int A::n; // expected-warning{{out-of-line definition of constexpr static data member is redundant in C++17 and is deprecated}} 9 const int A::m; // expected-warning{{out-of-line definition of constexpr static data member is redundant in C++17 and is deprecated}} 10 } 11