https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104731
Bug ID: 104731
Summary: 27_io/filesystem/iterators/error_reporting.cc FAILs
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: *-*-solaris2.11
Since 20220202, the 27_io/filesystem/iterators/error_reporting.cc test FAILs on
Solaris (32 and 64-bit, sparc and x86):
+FAIL: 27_io/filesystem/iterators/error_reporting.cc (test for excess errors)
Excess errors:
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/bits/char_traits.h:431:
warning: 'void* __builtin_memcpy(void*, const void*, unsigned int)' writing 7
bytes into a region of size 6 overflows the destination [-Wstringop-overflow=]
Full output is
In file included from
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/ios:40,
from
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/istream:38,
from
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/sstream:38,
from
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/complex:45,
from
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/ccomplex:39,
from
/vol/gcc/src/hg/master/local/libstdc++-v3/include/precompiled/stdc++.h:54:
In static member function 'static std::char_traits<char>::char_type*
std::char_traits<char>::copy(char_type*, const char_type*, std::size_t)',
inlined from 'dirent* readdir(DIR*)' at
/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/27_io/filesystem/iterators/error_reporting.cc:52:
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/bits/char_traits.h:431:
warning: 'void* __builtin_memcpy(void*, const void*, unsigned int)' writing 7
bytes into a region of size 6 overflows the destination [-Wstringop-overflow=]
/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/27_io/filesystem/iterators/error_reporting.cc:
In function 'dirent* readdir(DIR*)':
/var/gcc/regression/master/11.4-gcc-gas/build/sparc-sun-solaris2.11/libstdc++-v3/include/bits/char_traits.h:431:
warning: 'void* __builtin_memcpy(void*, const void*, unsigned int)' writing 7
bytes into a region of size 6 overflows the destination [-Wstringop-overflow=]
/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/27_io/filesystem/iterators/error_reporting.cc:
In function 'dirent* readdir(DIR*)':
/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/27_io/filesystem/iterators/error_reporting.cc:31:
note: at offset 18 into destination object 'global_dirent' of size 24
<sys/dirent.h> has
char d_name[1]; /* name of file */
which conforms to POSIX.1 AFAICS.
