1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2 3 int vs = 0; 4 5 class C { 6 public: 7 struct NestedC { 8 NestedC(int); 9 }; 10 11 int i = 0; 12 static int si = 0; // expected-error {{non-const static data member must be initialized out of line}} 13 static const NestedC ci = 0; // expected-error {{static data member of type 'const C::NestedC' must be initialized out of line}} 14 static const int nci = vs; // expected-error {{in-class initializer for static data member is not a constant expression}} 15 static const int vi = 0; 16 static const volatile int cvi = 0; // expected-error {{static const volatile data member must be initialized out of line}} 17 }; 18 19 namespace rdar8367341 { 20 float foo(); // expected-note {{here}} 21 22 struct A { 23 static const float x = 5.0f; // expected-warning {{GNU extension}} expected-note {{use 'constexpr' specifier to silence this warning}} 24 static const float y = foo(); // expected-warning {{GNU extension}} expected-note {{use 'constexpr' specifier to silence this warning}} expected-error {{in-class initializer for static data member is not a constant expression}} 25 static constexpr float x2 = 5.0f; 26 static constexpr float y2 = foo(); // expected-error {{must be initialized by a constant expression}} expected-note {{non-constexpr function 'foo'}} 27 }; 28 } 29 30 31 namespace Foo { 32 // Regression test -- forward declaration of Foo should not cause error about 33 // nonstatic data member. 34 class Foo; 35 class Foo { 36 int x; 37 int y = x; 38 }; 39 } 40
