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I'm building flat buffers source under my own CMake-built makefile on Ubuntu 24.04 LTS
When building with GCC I get these errors, which look like memory overflows... are these real?
In file included from /usr/include/c++/13/algorithm:60,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/flatbuffers.h:20,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/reflection_generated.h:7,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/reflection.h:25,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/reflection.cpp:17:
In static member function ‘static constexpr _Up* std::__copy_move<_IsMove, true, std::random_access_iterator_tag>::__copy_m(_Tp*, _Tp*, _Up*) [with _Tp = const unsigned char; _Up = unsigned char; bool _IsMove = false]’,
inlined from ‘constexpr _OI std::__copy_move_a2(_II, _II, _OI) [with bool _IsMove = false; _II = const unsigned char*; _OI = unsigned char*]’ at /usr/include/c++/13/bits/stl_algobase.h:506:30,
inlined from ‘constexpr _OI std::__copy_move_a1(_II, _II, _OI) [with bool _IsMove = false; _II = const unsigned char*; _OI = unsigned char*]’ at /usr/include/c++/13/bits/stl_algobase.h:533:42,
inlined from ‘constexpr _OI std::__copy_move_a(_II, _II, _OI) [with bool _IsMove = false; _II = const unsigned char*; _OI = unsigned char*]’ at /usr/include/c++/13/bits/stl_algobase.h:540:31,
inlined from ‘constexpr _OI std::copy(_II, _II, _OI) [with _II = const unsigned char*; _OI = unsigned char*]’ at /usr/include/c++/13/bits/stl_algobase.h:633:7,
inlined from ‘static _ForwardIterator std::__uninitialized_copy<true>::__uninit_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = const unsigned char*; _ForwardIterator = unsigned char*]’ at /usr/include/c++/13/bits/stl_uninitialized.h:147:27,
inlined from ‘_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = const unsigned char*; _ForwardIterator = unsigned char*]’ at /usr/include/c++/13/bits/stl_uninitialized.h:185:15,
inlined from ‘constexpr _ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, allocator<_Tp>&) [with _InputIterator = const unsigned char*; _ForwardIterator = unsigned char*; _Tp = unsigned char]’ at /usr/include/c++/13/bits/stl_uninitialized.h:373:37,
inlined from ‘constexpr void std::vector<_Tp, _Alloc>::_M_range_insert(iterator, _ForwardIterator, _ForwardIterator, std::forward_iterator_tag) [with _ForwardIterator = const unsigned char*; _Tp = unsigned char; _Alloc = std::allocator<unsigned char>]’ at /usr/include/c++/13/bits/vector.tcc:814:38,
inlined from ‘constexpr std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, _InputIterator, _InputIterator) [with _InputIterator = const unsigned char*; <template-parameter-2-2> = void; _Tp = unsigned char; _Alloc = std::allocator<unsigned char>]’ at /usr/include/c++/13/bits/stl_vector.h:1486:19,
inlined from ‘const uint8_t* flatbuffers::AddFlatBuffer(std::vector<unsigned char>&, const uint8_t*, size_t)’ at /home/ubuntu/space/game/ThirdParty/flatbuffers/reflection.cpp:649:17:
/usr/include/c++/13/bits/stl_algobase.h:437:30: warning: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing between 2 and 9223372036854775803 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
437 | __builtin_memmove(__result, __first, sizeof(_Tp) * _Num);
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33,
from /usr/include/c++/13/bits/allocator.h:46,
from /usr/include/c++/13/memory:65,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/array.h:21,
from /home/ubuntu/space/game/ThirdParty/flatbuffers/flatbuffers.h:24:
In member function ‘_Tp* std::__new_allocator<_Tp>::allocate(size_type, const void*) [with _Tp = unsigned char]’,
inlined from ‘constexpr _Tp* std::allocator< <template-parameter-1-1> >::allocate(std::size_t) [with _Tp = unsigned char]’ at /usr/include/c++/13/bits/allocator.h:198:40,
inlined from ‘static constexpr _Tp* std::allocator_traits<std::allocator<_Up> >::allocate(allocator_type&, size_type) [with _Tp = unsigned char]’ at /usr/include/c++/13/bits/alloc_traits.h:482:28,
inlined from ‘constexpr std::_Vector_base<_Tp, _Alloc>::pointer std::_Vector_base<_Tp, _Alloc>::_M_allocate(std::size_t) [with _Tp = unsigned char; _Alloc = std::allocator<unsigned char>]’ at /usr/include/c++/13/bits/stl_vector.h:381:33,
inlined from ‘constexpr void std::vector<_Tp, _Alloc>::_M_range_insert(iterator, _ForwardIterator, _ForwardIterator, std::forward_iterator_tag) [with _ForwardIterator = const unsigned char*; _Tp = unsigned char; _Alloc = std::allocator<unsigned char>]’ at /usr/include/c++/13/bits/vector.tcc:805:40,
inlined from ‘constexpr std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(const_iterator, _InputIterator, _InputIterator) [with _InputIterator = const unsigned char*; <template-parameter-2-2> = void; _Tp = unsigned char; _Alloc = std::allocator<unsigned char>]’ at /usr/include/c++/13/bits/stl_vector.h:1486:19,
inlined from ‘const uint8_t* flatbuffers::AddFlatBuffer(std::vector<unsigned char>&, const uint8_t*, size_t)’ at /home/ubuntu/space/game/ThirdParty/flatbuffers/reflection.cpp:649:17:
/usr/include/c++/13/bits/new_allocator.h:151:55: note: at offset [-9223372036854775808, -4] into destination object of size [4, 9223372036854775807] allocated by ‘operator new’
151 | return static_cast<_Tp*>(_GLIBCXX_OPERATOR_NEW(__n * sizeof(_Tp)));
| ^
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