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 | |