compile error with gcc-15

[heitbaum]

Error occurs with 1.19.5

[1/8] Building CXX object libheif/CMakeFiles/heif.dir/file.cc.o
FAILED: libheif/CMakeFiles/heif.dir/file.cc.o
/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/bin/x86_64-libreelec-linux-gnu-g++ -DENABLE_MULTITHREADING_SUPPORT=1 -DENABLE_PARALLEL_TILE_DECODING=1 -DENABLE_PLUGIN_LOADING=1 -DHAVE_LIBDE265=1 -DHAVE_UNISTD_H -DHAVE_VISIBILITY -DHAVE_X265=1 -DIS_BIG_ENDIAN=0 -DLIBHEIF_EXPORTS -I/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/.x86_64-libreelec-linux-gnu -I/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/libheif -I/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/libheif/api -I/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/include/libheif -I/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/include -march=x86-64-v3 -Wall -pipe  -O2 -fomit-frame-pointer -DNDEBUG -fPIC -DPIC -Wno-unused-variable -std=c++20 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden   -Werror -Wall -Wsign-compare -Wconversion -Wno-sign-conversion -Wno-error=conversion -Wno-error=unused-parameter -Wno-error=deprecated-declarations -Werror -MD -MT libheif/CMakeFiles/heif.dir/file.cc.o -MF libheif/CMakeFiles/heif.dir/file.cc.o.d -o libheif/CMakeFiles/heif.dir/file.cc.o -c /var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/build/libheif-1.19.5/libheif/file.cc
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++/15.0.0/string:53,
                 from ../libheif/common_utils.h:26,
                 from ../libheif/box.h:25,
                 from ../libheif/file.h:24,
                 from ../libheif/file.cc:21:
In function 'constexpr void std::__fill_a1(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = unsigned char*; _Tp = unsigned char]',
    inlined from 'constexpr void std::__fill_a(_FIte, _FIte, const _Tp&) [with _FIte = unsigned char*; _Tp = unsigned 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++/15.0.0/bits/stl_algobase.h:989:21,
    inlined from 'constexpr _OutputIterator std::__fill_n_a(_OutputIterator, _Size, const _Tp&, random_access_iterator_tag) [with _OutputIterator = unsigned char*; _Size = long unsigned int; _Tp = unsigned 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++/15.0.0/bits/stl_algobase.h:1158:20,
    inlined from 'constexpr _OI std::fill_n(_OI, _Size, const _Tp&) [with _OI = unsigned char*; _Size = long unsigned int; _Tp = unsigned 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++/15.0.0/bits/stl_algobase.h:1188:29,
    inlined from 'static constexpr _ForwardIterator std::__uninitialized_default_n_1<true>::__uninit_default_n(_ForwardIterator, _Size) [with _ForwardIterator = unsigned char*; _Size = long 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++/15.0.0/bits/stl_uninitialized.h:876:29,
    inlined from 'static constexpr _ForwardIterator std::__uninitialized_default_n_1<true>::__uninit_default_n(_ForwardIterator, _Size) [with _ForwardIterator = unsigned char*; _Size = long 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++/15.0.0/bits/stl_uninitialized.h:868:9,
    inlined from 'constexpr _ForwardIterator std::__uninitialized_default_n(_ForwardIterator, _Size) [with _ForwardIterator = unsigned char*; _Size = long 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++/15.0.0/bits/stl_uninitialized.h:920:20,
    inlined from 'constexpr _ForwardIterator std::__uninitialized_default_n_a(_ForwardIterator, _Size, allocator<_Tp2>&) [with _ForwardIterator = unsigned char*; _Size = long unsigned int; _Tp = unsigned 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++/15.0.0/bits/stl_uninitialized.h:975:44,
    inlined from 'constexpr void std::vector<_Tp, _Alloc>::_M_default_append(size_type) [with _Tp = unsigned char; _Alloc = std::allocator<unsigned 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++/15.0.0/bits/vector.tcc:773:35,
    inlined from 'constexpr void std::vector<_Tp, _Alloc>::resize(size_type) [with _Tp = unsigned char; _Alloc = std::allocator<unsigned 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++/15.0.0/bits/stl_vector.h:1145:21,
    inlined from 'Error HeifFile::set_item_data(const std::shared_ptr<Box_infe>&, const uint8_t*, size_t, heif_metadata_compression)' at ../libheif/file.cc:1026:22:
/var/media/DATA/home-rudi/LibreELEC.tv/build.LibreELEC-Generic.x86_64-13.0-devel/toolchain/x86_64-libreelec-linux-gnu/include/c++/15.0.0/bits/stl_algobase.h:936:18: error: 'void* __builtin_memset(void*, int, long unsigned int)' offset 0 is out of the bounds [0, 0] [-Werror=array-bounds=]
  936 |         *__first = __val;
      |         ~~~~~~~~~^~~~~~~
cc1plus: all warnings being treated as errors

[fancycode]

@farindk this looks similar to #1367 / #1360. Maybe a simple check for size == 0 could be added to HeifFile::set_item_data to skip processing if the input data is empty? Not sure if this fixes the compiler warning/error though...