Language
C++
Compiler
gcc 9.1.0
Options
Warnings
Boost 1.70.0
C++17
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.70.0/gcc-9.1.0/include -std=c++17 prog.cc: In function 'int main()':
prog.cc:23:49: warning: 'void* memcpy(void*, const void*, size_t)' copying an object of type 'boost::endian::big_uint16_buf_t' {aka 'class boost::endian::endian_buffer<boost::endian::order::big, short unsigned int, 16>'} with 'protected' member 'boost::endian::endian_buffer<boost::endian::order::big, short unsigned int, 16>::m_value' from an array of 'std::array<std::byte, 6>::value_type' {aka 'enum class std::byte'}; use assignment or copy-initialization instead [-Wclass-memaccess]
23 | std::memcpy(&v, buffer.data(), sizeof(v));
| ^
In file included from prog.cc:2:
/opt/wandbox/boost-1.70.0/gcc-9.1.0/include/boost/endian/buffers.hpp:375:11: note: 'boost::endian::big_uint16_buf_t' {aka 'class boost::endian::endian_buffer<boost::endian::order::big, short unsigned int, 16>'} declared here
375 | class endian_buffer< order::big, T, n_bits, align::no >
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Exit Code:
0