54 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s2// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s3 4struct NonLit { // expected-note 3{{no constexpr constructors}}5 NonLit();6};7 8struct S {9 static constexpr int a = 0;10 static constexpr int b; // expected-error {{initializ}} expected-note 0-1{{previous}}11 12 static constexpr int c = 0;13 static const int d;14 static const int d2 = 0;15 16 static constexpr double e = 0.0; // ok17 static const double f = 0.0; // expected-error {{requires 'constexpr' specifier}} expected-note {{add 'constexpr'}}18 static char *const g = 0; // expected-error {{requires 'constexpr' specifier}}19 static const NonLit h = NonLit(); // expected-error {{must be initialized out of line}}20 21 static inline int i; // expected-note {{previous}} expected-warning 0-1{{extension}}22 static inline int j; // expected-note {{previous}} expected-warning 0-1{{extension}}23 static constexpr int k = 0;24};25 26constexpr int S::a;27constexpr int S::b = 0; // expected-error 0-1{{redefinition}}28 29const int S::c;30constexpr int S::d = 0;31constexpr int S::d2;32 33int S::i; // expected-error {{redefinition}}34int S::j; // expected-error {{redefinition}}35const int S::k; // ok (deprecated)36 37template<typename T>38struct U {39 static constexpr int a = 0;40 static constexpr int b; // expected-error {{initializ}}41 static constexpr NonLit h = NonLit(); // expected-error {{cannot have non-literal type 'const NonLit'}}42 static constexpr T c = T(); // expected-error {{cannot have non-literal type}}43 static const T d;44};45 46template<typename T> constexpr T U<T>::d = T(); // expected-error {{non-literal type 'const NonLit'}}47 48U<int> u1;49U<NonLit> u2; // expected-note {{here}}50 51static_assert(U<int>::a == 0, "");52 53constexpr int outofline = (U<NonLit>::d, 0); // expected-note {{here}}54