llvm-project/clang/test/SemaCXX/attr-exclude_from_explicit_...

46 lines
1.5 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
// Test that explicit instantiations do not instantiate entities
// marked with the exclude_from_explicit_instantiation attribute.
#define EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((exclude_from_explicit_instantiation))
template <class T>
struct Foo {
EXCLUDE_FROM_EXPLICIT_INSTANTIATION inline void non_static_member_function1();
EXCLUDE_FROM_EXPLICIT_INSTANTIATION void non_static_member_function2();
EXCLUDE_FROM_EXPLICIT_INSTANTIATION static inline void static_member_function1();
EXCLUDE_FROM_EXPLICIT_INSTANTIATION static void static_member_function2();
EXCLUDE_FROM_EXPLICIT_INSTANTIATION static int static_data_member;
struct EXCLUDE_FROM_EXPLICIT_INSTANTIATION member_class1 {
static void non_static_member_function() { using Fail = typename T::fail; }
};
struct member_class2 {
EXCLUDE_FROM_EXPLICIT_INSTANTIATION static void non_static_member_function() { using Fail = typename T::fail; }
};
};
template <class T>
inline void Foo<T>::non_static_member_function1() { using Fail = typename T::fail; }
template <class T>
void Foo<T>::non_static_member_function2() { using Fail = typename T::fail; }
template <class T>
inline void Foo<T>::static_member_function1() { using Fail = typename T::fail; }
template <class T>
void Foo<T>::static_member_function2() { using Fail = typename T::fail; }
template <class T>
int Foo<T>::static_data_member = T::fail;
// expected-no-diagnostics
template struct Foo<int>;