| 1 | // RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s |
| 2 | // RUN: %clang_cc1 -DUSE -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s |
| 3 | |
| 4 | // Maybe force the implicit declaration of 'operator delete' and 'operator |
| 5 | // delete[]'. This should make no difference to anything! |
| 6 | #ifdef USE |
| 7 | void f(int *p) { |
| 8 | delete p; |
| 9 | delete [] p; |
| 10 | } |
| 11 | #endif |
| 12 | |
| 13 | // Deallocation functions are implicitly noexcept. |
| 14 | // Thus, explicit specs aren't allowed to conflict. |
| 15 | |
| 16 | void operator delete(void*); // expected-warning {{function previously declared with an explicit exception specification redeclared with an implicit exception specification}} |
| 17 | void operator delete[](void*); // expected-warning {{function previously declared with an explicit exception specification redeclared with an implicit exception specification}} |
| 18 | |
| 19 | static_assert(noexcept(operator delete(0)), ""); |
| 20 | static_assert(noexcept(operator delete[](0)), ""); |
| 21 | |
| 22 | // Same goes for explicit declarations. |
| 23 | void operator delete(void*, float); |
| 24 | void operator delete[](void*, float); |
| 25 | |
| 26 | static_assert(noexcept(operator delete(0, 0.f)), ""); |
| 27 | static_assert(noexcept(operator delete[](0, 0.f)), ""); |
| 28 | |
| 29 | // But explicit specs stay. |
| 30 | void operator delete(void*, double) throw(int); // expected-note {{previous}} |
| 31 | static_assert(!noexcept(operator delete(0, 0.)), ""); |
| 32 | void operator delete(void*, double) noexcept; // expected-error {{does not match}} |
| 33 | |