ebfb9face2
compiler failures with gcc 12.x
...
a workaround for something that looks like a bug in a compiler.
Fixes errors like
In file included from /usr/include/c++/12/string:40,
from /mnt/server/storage/columnstore/columnstore/utils/funcexp/func_math.cpp:26:
In static member function ‘static constexpr std::char_traits<char>::char_type* std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)’,
inlined from ‘static constexpr void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_S_copy(_CharT*, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:423:21,
inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_replace(size_type, size_type, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.tcc:532:22,
inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::replace(size_type, size_type, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:2171:19,
inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(size_type, const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:1928:22,
inlined from ‘virtual std::string funcexp::Func_format::getStrVal(rowgroup::Row&, funcexp::FunctionParm&, bool&, execplan::CalpontSystemCatalog::ColType&)’ at /mnt/server/storage/columnstore/columnstore/utils/funcexp/func_math.cpp:2008:17:
/usr/include/c++/12/bits/char_traits.h:431:56: error: ‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ accessing 9223372036854775810 or more bytes at offsets 3 and [2, 2147483645] may overlap up to 9223372036854775813 bytes at offset -3 [-Werror=restrict]
431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2, __n );
$ gcc --version
gcc (Ubuntu 12.2.0-3ubuntu1) 12.2.0
2023-07-04 12:58:18 -04:00
