[Bug]: build of 26.1.0 with gcc-16 warnings [-Warray-bounds=]

[heitbaum]

Which component impacted?

Build

Is it regression? Good in old configuration?

None

What happened?

Build issue

[282/1735] Building CXX object media_driver/CMakeFiles/iHD_drv_video_COMMON.dir/linux/common/codec/ddi/media_ddi_encode_hevc.cpp.o
In file included from /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/string:57,
                 from ../media_common/agnostic/common/os/mos_defs.h:40,
                 from ../media_common/agnostic/common/os/mos_os.h:30,
                 from ../media_softlet/agnostic/common/codec/hal/codechal_common.h:29,
                 from ../media_driver/agnostic/common/codec/hal/codechal.h:29,
                 from ../media_driver/linux/common/ddi/media_libva.h:52,
                 from ../media_driver/linux/common/ddi/media_ddi_base.h:34,
                 from ../media_driver/linux/common/codec/ddi/media_ddi_encode_hevc.cpp:27:
In constructor 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_Alloc_hider::_Alloc_hider(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer, _Alloc&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]',
    inlined from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/basic_string.h:614:9,
    inlined from 'std::pair<_T1, _T2>::pair(const std::pair<_T1, _T2>&) [with _T1 = const std::__cxx11::basic_string<char>; _T2 = unsigned int]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_pair.h:312:17,
    inlined from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Tp = std::_Rb_tree_node<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/new_allocator.h:191:4,
    inlined from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Tp = std::_Rb_tree_node<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/alloc_traits.h:674:17,
    inlined from 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_construct_node(_Node_ptr, _Args&& ...) [with _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1237:37,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Node_ptr std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_create_node(_Args&& ...) [with _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1254:21,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Node_ptr std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Alloc_node::operator()(_Arg&&) const [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1136:32,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_(_Base_ptr, _Base_ptr, _Arg&&, _NodeGen&) [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _NodeGen = std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, unsigned int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> > >::_Alloc_node; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:2485:14,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique_(const_iterator, _Arg&&, _NodeGen&) [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _NodeGen = std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, unsigned int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> > >::_Alloc_node; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:2907:19,
    inlined from 'std::__enable_if_t<((bool)std::is_same<_Val, typename std::iterator_traits<_InputIterator>::value_type>::value)> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_range_unique(_InputIterator, _InputIterator) [with _InputIterator = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>*; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1725:23,
    inlined from 'std::map<_Key, _Tp, _Compare, _Alloc>::map(std::initializer_list<std::pair<const _Key, _Tp> >, const _Compare&, const allocator_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = unsigned int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_map.h:247:36,
    inlined from 'void __static_initialization_and_destruction_0()' at ../media_driver/linux/common/codec/ddi/media_ddi_encode_hevc.cpp:55:1:
/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/basic_string.h:209:43: warning: array subscript 0 is outside array bounds of 'void [0]' [-Warray-bounds=]
  209 |         : allocator_type(std::move(__a)), _M_p(__dat) { }
      |                                           ^~~~~~~~~~~
In function 'void __static_initialization_and_destruction_0()':
cc1plus: note: source object is likely at address zero
In constructor 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_Alloc_hider::_Alloc_hider(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pointer, _Alloc&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]',
    inlined from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/basic_string.h:614:9,
    inlined from 'std::pair<_T1, _T2>::pair(const std::pair<_T1, _T2>&) [with _T1 = const std::__cxx11::basic_string<char>; _T2 = unsigned int]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_pair.h:312:17,
    inlined from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Tp = std::_Rb_tree_node<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/new_allocator.h:191:4,
    inlined from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Tp = std::_Rb_tree_node<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/alloc_traits.h:674:17,
    inlined from 'void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_construct_node(_Node_ptr, _Args&& ...) [with _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1237:37,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Node_ptr std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_create_node(_Args&& ...) [with _Args = {const std::pair<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned int>&}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1254:21,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Node_ptr std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_Alloc_node::operator()(_Arg&&) const [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1136:32,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_(_Base_ptr, _Base_ptr, _Arg&&, _NodeGen&) [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _NodeGen = std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, unsigned int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> > >::_Alloc_node; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:2485:14,
    inlined from 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique_(const_iterator, _Arg&&, _NodeGen&) [with _Arg = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>&; _NodeGen = std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, unsigned int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> > >::_Alloc_node; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:2907:19,
    inlined from 'std::__enable_if_t<((bool)std::is_same<_Val, typename std::iterator_traits<_InputIterator>::value_type>::value)> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_range_unique(_InputIterator, _InputIterator) [with _InputIterator = const std::pair<const std::__cxx11::basic_string<char>, unsigned int>*; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_tree.h:1725:23,
    inlined from 'std::map<_Key, _Tp, _Compare, _Alloc>::map(std::initializer_list<std::pair<const _Key, _Tp> >, const _Compare&, const allocator_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = unsigned int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, unsigned int> >]' at /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/stl_map.h:247:36,
    inlined from 'void __static_initialization_and_destruction_0()' at ../media_driver/linux/common/codec/ddi/media_ddi_encode_hevc.cpp:55:1:
/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/16.0.0/bits/basic_string.h:209:43: warning: array subscript 0 is outside array bounds of 'void [0]' [-Warray-bounds=]
  209 |         : allocator_type(std::move(__a)), _M_p(__dat) { }
      |                                           ^~~~~~~~~~~
In function 'void __static_initialization_and_destruction_0()':
cc1plus: note: source object is likely at address zero

What's the usage scenario when you are seeing the problem?

Others

What impacted?

Compile warnings. Compile does progress.

Debug Information

No response

Do you want to contribute a patch to fix the issue?

No.