I tried compiling colobot with the new gcc, expecting it to break in some
new and fascinating way, and got the following error:
In function 'std::char_traits<char>::copy(char*, char const*, unsigned long)',
inlined from 'std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_copy(char*, char const*, unsigned long)' at
/usr/include/c++/12/bits/basic_string.h:423:21,
inlined from 'std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_S_copy(char*, char const*, unsigned long)' at
/usr/include/c++/12/bits/basic_string.h:418:7,
inlined from 'std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >::_M_replace(unsigned long, unsigned long, char const*,
unsigned long)' at /usr/include/c++/12/bits/basic_string.tcc:532:22,
inlined from 'std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >::assign(char const*)' at
/usr/include/c++/12/bits/basic_string.h:1645:19,
inlined from 'std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >::operator=(char const*)' at
/usr/include/c++/12/bits/basic_string.h:813:28,
inlined from 'Ui::CList::SetItemName(int, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)' at
/builddir/build/BUILD/colobot-colobot-gold-0.2.0-alpha/src/ui/controls/list.cpp:664:28:
/usr/include/c++/12/bits/char_traits.h:431:56: error: 'memcpy' accessing
9223372036854775810 or more bytes at offsets -4611686018427387902 and
[-4611686018427387903, 4611686018427387904] may overlap up to
9223372036854775813 bytes at offset -3 [-Werror=restrict]
431 | return static_cast<char_type*>(__builtin_memcpy(__s1, __s2,
__n));
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
The relevant bit of code is this line:
m_items[i].text = " ";
Where the ".text" struct member is an std::string.
Any suggestions on how to fix this will be appreciated.
Thanks in advance,
A.FI.
colobot scm: https://src.fedoraproject.org/rpms/colobot/
colobot upstream: https://github.com/colobot/colobot/
koji scratch build: https://koji.fedoraproject.org/koji/taskinfo?taskID=81361550
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