diff options
Diffstat (limited to 'clang/test/CXX/class/class.static/class.static.data/p3.cpp')
-rw-r--r-- | clang/test/CXX/class/class.static/class.static.data/p3.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/clang/test/CXX/class/class.static/class.static.data/p3.cpp b/clang/test/CXX/class/class.static/class.static.data/p3.cpp new file mode 100644 index 0000000..117997e --- /dev/null +++ b/clang/test/CXX/class/class.static/class.static.data/p3.cpp @@ -0,0 +1,44 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s + +struct NonLit { // expected-note 3{{no constexpr constructors}} + NonLit(); +}; + +struct S { + static constexpr int a = 0; + static constexpr int b; // expected-error {{declaration of constexpr static data member 'b' requires an initializer}} + + static constexpr int c = 0; + static const int d; + static const int d2 = 0; + + static constexpr double e = 0.0; // ok + static const double f = 0.0; // expected-warning {{extension}} expected-note {{use 'constexpr' specifier}} + static char *const g = 0; // expected-error {{requires 'constexpr' specifier}} + static const NonLit h = NonLit(); // expected-error {{must be initialized out of line}} +}; + +constexpr int S::a; +constexpr int S::b = 0; + +const int S::c; +constexpr int S::d = 0; +constexpr int S::d2; + +template<typename T> +struct U { + static constexpr int a = 0; + static constexpr int b; // expected-error {{declaration of constexpr static data member 'b' requires an initializer}} + static constexpr NonLit h = NonLit(); // expected-error {{cannot have non-literal type 'const NonLit'}} + static constexpr T c = T(); // expected-error {{cannot have non-literal type}} + static const T d; +}; + +template<typename T> constexpr T U<T>::d = T(); // expected-error {{non-literal type 'const NonLit'}} + +U<int> u1; +U<NonLit> u2; // expected-note {{here}} + +static_assert(U<int>::a == 0, ""); + +constexpr int outofline = (U<NonLit>::d, 0); // expected-note {{here}} expected-warning {{unused}} |