| // RUN: %clang_cc1 %s -verify |
| |
| // The reinterpret_cast operator shall not cast away constness. |
| struct X {}; |
| struct Y {}; |
| void f(const int * X::* Y::* *p) { |
| // This applies for similar types... |
| (void)reinterpret_cast<int * X::* Y::* *>(p); // expected-error {{casts away qualifiers}} |
| // ... and for cases where the base type is different ... |
| (void)reinterpret_cast<float * X::* Y::* *>(p); // expected-error {{casts away qualifiers}} |
| // ... and for cases where pointers to members point to members of different classes ... |
| (void)reinterpret_cast<int * Y::* X::* *>(p); // expected-error {{casts away qualifiers}} |
| // ... and even for cases where the path is wholly different! |
| // (Though we accept such cases as an extension.) |
| (void)reinterpret_cast<double Y::* X::* * *>(p); // expected-warning {{casts away qualifiers}} |
| |
| // If qualifiers are added, we need a 'const' at every level above. |
| (void)reinterpret_cast<const volatile double Y::* X::* * *>(p); // expected-warning {{casts away qualifiers}} |
| (void)reinterpret_cast<const volatile double Y::*const X::*const **>(p); // expected-warning {{casts away qualifiers}} |
| (void)reinterpret_cast<const volatile double Y::*const X::**const *>(p); // expected-warning {{casts away qualifiers}} |
| (void)reinterpret_cast<const volatile double Y::*X::*const *const *>(p); // expected-warning {{casts away qualifiers}} |
| (void)reinterpret_cast<const volatile double Y::*const X::*const *const *>(p); // ok |
| |
| (void)reinterpret_cast<const double Y::*volatile X::**const *>(p); // expected-warning {{casts away qualifiers}} |
| (void)reinterpret_cast<const double Y::*volatile X::*const *const *>(p); // ok |
| } |