clang-15 warnings about deprecated type traits intrinsics

[Lastique]

clang-15 generates the following warnings:

In file included from libs/filesystem/test/path_unit_test.cpp:37:
In file included from ./boost/smart_ptr.hpp:24:
In file included from ./boost/make_shared.hpp:14:
In file included from ./boost/smart_ptr/make_shared.hpp:14:
In file included from ./boost/smart_ptr/make_shared_object.hpp:15:
In file included from ./boost/move/core.hpp:58:
./boost/move/detail/type_traits.hpp:1003:29: warning: builtin __has_trivial_move_constructor is deprecated; use __is_trivially_constructible instead [-Wdeprecated-builtins]
{ static const bool value = BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE(T); };
                            ^
./boost/move/detail/type_traits.hpp:418:60: note: expanded from macro 'BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE'
   #define BOOST_MOVE_IS_TRIVIALLY_MOVE_CONSTRUCTIBLE(T)   BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T) || ::boost::move_detail::is_pod<T>::value
                                                           ^
./boost/move/detail/type_traits.hpp:196:57: note: expanded from macro 'BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR'
#     define BOOST_MOVE_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T) __has_trivial_move_constructor(T)
                                                        ^
./boost/move/detail/type_traits.hpp:1019:30: warning: builtin __has_trivial_move_assign is deprecated; use __is_trivially_assignable instead [-Wdeprecated-builtins]
{  static const bool value = BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T);  };
                             ^
./boost/move/detail/type_traits.hpp:432:56: note: expanded from macro 'BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE'
   #define BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T)  BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
                                                       ^
./boost/move/detail/type_traits.hpp:203:52: note: expanded from macro 'BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN'
#     define BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) __has_trivial_move_assign(T)
                                                   ^
./boost/move/detail/type_traits.hpp:1040:30: warning: builtin __has_trivial_move_assign is deprecated; use __is_trivially_assignable instead [-Wdeprecated-builtins]
{  static const bool value = BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T);  };
                             ^
./boost/move/detail/type_traits.hpp:464:58: note: expanded from macro 'BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE'
   #define BOOST_MOVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE(T)   BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T)
                                                         ^
./boost/move/detail/type_traits.hpp:432:56: note: expanded from macro 'BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE'
   #define BOOST_MOVE_IS_TRIVIALLY_MOVE_ASSIGNABLE(T)  BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
                                                       ^
./boost/move/detail/type_traits.hpp:203:52: note: expanded from macro 'BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN'
#     define BOOST_MOVE_HAS_TRIVIAL_MOVE_ASSIGN(T) __has_trivial_move_assign(T)
                                                   ^
./boost/move/detail/type_traits.hpp:1054:30: warning: builtin __has_nothrow_move_assign is deprecated; use __is_nothrow_assignable instead [-Wdeprecated-builtins]
{  static const bool value = BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T);  };
                             ^
./boost/move/detail/type_traits.hpp:468:53: note: expanded from macro 'BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE'
   #define BOOST_MOVE_IS_NOTHROW_MOVE_ASSIGNABLE(T) BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T) || ::boost::move_detail::is_pod<T>::value
                                                    ^
./boost/move/detail/type_traits.hpp:217:52: note: expanded from macro 'BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN'
#     define BOOST_MOVE_HAS_NOTHROW_MOVE_ASSIGN(T) __has_nothrow_move_assign(T)
                                                   ^

[Lastique]

See also https://github.com/boostorg/type_traits/pull/174.

[pdimov]

I'm getting these as well from SmartPtr, which is a problem because I test with warnings-as-errors=on. Can we please get that fixed?

[igaztanaga]

How can I reproduce it?

https://godbolt.org/z/5c1EhhPPT

[igaztanaga]

Got it, we need to use -std=c++03.