https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107004
sbouchex <sbouchex at infovista dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sbouchex at infovista dot com
--- Comment #6 from sbouchex <sbouchex at infovista dot com> ---
The same testcase is failing on :
[...]
g++ --version
g++ (GCC) 13.1.1 20230614 (Red Hat 13.1.1-4)
[...]
[...]
[root@dev-sbo-eva-ol8 CorrCommon]# g++ -std=c++20 -Wall -Wextra -Werror
-pedantic -Warray-bounds -O3 -o /tmp/toto /tmp/toto.cpp
In file included from /usr/include/c++/13/bits/stl_iterator.h:85,
from /usr/include/c++/13/bits/stl_algobase.h:67,
from /usr/include/c++/13/vector:62,
from /tmp/toto.cpp:1:
In function 'constexpr void std::_Construct(_Tp*, _Args&& ...) [with _Tp =
int*; _Args = {}]',
inlined from 'static constexpr _ForwardIterator
std::__uninitialized_default_n_1<true>::__uninit_default_n(_ForwardIterator,
_Size) [with _ForwardIterator = int**; _Size = long unsigned int]' at
/usr/include/c++/13/bits/stl_uninitialized.h:666:23,
inlined from 'static constexpr _ForwardIterator
std::__uninitialized_default_n_1<true>::__uninit_default_n(_ForwardIterator,
_Size) [with _ForwardIterator = int**; _Size = long unsigned int]' at
/usr/include/c++/13/bits/stl_uninitialized.h:660:9,
inlined from 'constexpr _ForwardIterator
std::__uninitialized_default_n(_ForwardIterator, _Size) [with _ForwardIterator
= int**; _Size = long unsigned int]' at
/usr/include/c++/13/bits/stl_uninitialized.h:706:20,
inlined from 'constexpr _ForwardIterator
std::__uninitialized_default_n_a(_ForwardIterator, _Size, allocator<_Tp>&)
[with _ForwardIterator = int**; _Size = long unsigned int; _Tp = int*]' at
/usr/include/c++/13/bits/stl_uninitialized.h:773:44,
inlined from 'constexpr void std::vector<_Tp,
_Alloc>::_M_default_append(size_type) [with _Tp = int*; _Alloc =
std::allocator<int*>]' at /usr/include/c++/13/bits/vector.tcc:668:41,
inlined from 'constexpr void std::vector<_Tp, _Alloc>::resize(size_type)
[with _Tp = int*; _Alloc = std::allocator<int*>]' at
/usr/include/c++/13/bits/stl_vector.h:1013:21,
inlined from 'void foo(std::vector<int*>&)' at /tmp/toto.cpp:7:13:
/usr/include/c++/13/bits/stl_construct.h:119:7: error: array subscript
'int*[0]' is partly outside array bounds of 'unsigned char [8]'
[-Werror=array-bounds=]
119 | ::new((void*)__p) _Tp(std::forward<_Args>(__args)...);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from
/usr/include/c++/13/x86_64-redhat-linux/bits/c++allocator.h:33,
from /usr/include/c++/13/bits/allocator.h:46,
from /usr/include/c++/13/vector:63:
In member function '_Tp* std::__new_allocator<_Tp>::allocate(size_type, const
void*) [with _Tp = int*]',
inlined from 'constexpr _Tp* std::allocator< <template-parameter-1-1>
>::allocate(std::size_t) [with _Tp = int*]' at
/usr/include/c++/13/bits/allocator.h:198:40,
inlined from 'static constexpr _Tp*
std::allocator_traits<std::allocator<_Up> >::allocate(allocator_type&,
size_type) [with _Tp = int*]' at
/usr/include/c++/13/bits/alloc_traits.h:482:28,
inlined from 'constexpr std::_Vector_base<_Tp, _Alloc>::pointer
std::_Vector_base<_Tp, _Alloc>::_M_allocate(std::size_t) [with _Tp = int*;
_Alloc = std::allocator<int*>]' at
/usr/include/c++/13/bits/stl_vector.h:378:33,
inlined from 'constexpr void std::vector<_Tp,
_Alloc>::_M_default_append(size_type) [with _Tp = int*; _Alloc =
std::allocator<int*>]' at /usr/include/c++/13/bits/vector.tcc:663:45,
inlined from 'constexpr void std::vector<_Tp, _Alloc>::resize(size_type)
[with _Tp = int*; _Alloc = std::allocator<int*>]' at
/usr/include/c++/13/bits/stl_vector.h:1013:21,
inlined from 'void foo(std::vector<int*>&)' at /tmp/toto.cpp:7:13:
/usr/include/c++/13/bits/new_allocator.h:147:55: note: at offset [1, 8] into
object of size 8 allocated by 'operator new'
147 | return static_cast<_Tp*>(_GLIBCXX_OPERATOR_NEW(__n *
sizeof(_Tp)));
| ^
cc1plus: all warnings being treated as errors
[...]
