| // { dg-do compile } |
| // { dg-options "-std=gnu++0x" } |
| |
| // From N2235 |
| |
| // 4.5.2 semantics |
| |
| // p 1 constexpr specifier |
| // objects, static const data |
| struct A1 { }; // { dg-message "no user-provided default constructor" } |
| |
| constexpr int i1 = 1024; |
| constexpr A1 a1 = A1(); |
| |
| // error: not a definition |
| extern constexpr int i2; // { dg-error "definition" } |
| |
| // error: missing initializer |
| constexpr A1 a2; // { dg-error "uninitialized const" } |
| |
| // error: duplicate cv |
| const constexpr A1 a3 = A1(); // { dg-error "both .const. and .constexpr. cannot" } |
| |
| volatile constexpr A1 a4 = A1(); // { dg-error "both .volatile. and .constexpr. cannot" } |
| |
| // error: on type declaration |
| constexpr struct pixel |
| { |
| int x; |
| int y; |
| }; // { dg-error "cannot be used for type declarations" } |
