https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109569
--- Comment #6 from Frank Heckenbach <f.heckenb...@fh-soft.de> ---
(In reply to Frank Heckenbach from comment #4)
> Thanks.
>
> I just got another similar one, this time with string.insert. But I guess
> it's pointless to dissect this one, or do you need more examples for your
> test suite?
Actually, on a closer look, this one is a bit different. Do you need an example
for that, or should it also be fixed in trunk?
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 'std::string mpf_to_string(mpf_class, size_t)' at
pi.cpp:102:12:
/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 -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));
|
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
