[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 Marek Polacek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #5 from Marek Polacek --- Fixed then. Thanks for checking!
[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 --- Comment #4 from Alexander Lelyakin --- Not reproduced anymore
[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 --- Comment #3 from Alexander Lelyakin --- There is a shorter sequence: /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header string_view /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header ios /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header ccomplex In file included from /usr/local/include/c++/11.0.1/sstream:38, from /usr/local/include/c++/11.0.1/complex:45, from /usr/local/include/c++/11.0.1/ccomplex:39: /usr/local/include/c++/11.0.1/istream: In function ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])’: /usr/local/include/c++/11.0.1/istream:840:26: error: non-constant condition for static assertion 840 | static_assert(_Num <= __gnu_cxx::__numeric_traits::__max); | ~^ /usr/local/include/c++/11.0.1/istream:840:26: error: the value of ‘__gnu_cxx::__numeric_traits_integer::__max’ is not usable in a constant expression In file included from /usr/local/include/c++/11.0.1/bits/stl_algobase.h:63, from /usr/local/include/c++/11.0.1/bits/char_traits.h:39, from /usr/local/include/c++/11.0.1/string_view:41, of module /usr/local/include/c++/11.0.1/string_view, imported at /usr/local/include/c++/11.0.1/bits/basic_string.h:48, included from /usr/local/include/c++/11.0.1/string:55, from /usr/local/include/c++/11.0.1/bits/locale_classes.h:40, from /usr/local/include/c++/11.0.1/bits/ios_base.h:41, from /usr/local/include/c++/11.0.1/ios:42, of module /usr/local/include/c++/11.0.1/ios, imported at /usr/local/include/c++/11.0.1/istream:38, included from /usr/local/include/c++/11.0.1/sstream:38, from /usr/local/include/c++/11.0.1/complex:45, from /usr/local/include/c++/11.0.1/ccomplex:39: /usr/local/include/c++/11.0.1/ext/numeric_traits.h:75:27: note: ‘__gnu_cxx::__numeric_traits_integer::__max’ was not initialized with a constant expression 75 | static const _Value __max = __is_signed | ^ /usr/local/include/c++/11.0.1/ccomplex: At global scope: /usr/local/include/c++/11.0.1/ccomplex: warning: not writing module ‘/usr/local/include/c++/11.0.1/ccomplex’ due to errors g++ (GCC) 11.0.1 20210329 (experimental) Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org Last reconfirmed||2021-03-30 Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED
[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 --- Comment #2 from Alexander Lelyakin --- There is a shorter sequence: /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header string_view /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header ios /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header initializer_list /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header sstream In file included from /usr/local/include/c++/11.0.1/sstream:38: /usr/local/include/c++/11.0.1/istream: In function ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])’: /usr/local/include/c++/11.0.1/istream:840:26: error: non-constant condition for static assertion 840 | static_assert(_Num <= __gnu_cxx::__numeric_traits::__max); | ~^ /usr/local/include/c++/11.0.1/istream:840:26: error: the value of ‘__gnu_cxx::__numeric_traits_integer::__max’ is not usable in a constant expression In file included from /usr/local/include/c++/11.0.1/bits/stl_algobase.h:63, from /usr/local/include/c++/11.0.1/bits/char_traits.h:39, from /usr/local/include/c++/11.0.1/string_view:41, of module /usr/local/include/c++/11.0.1/string_view, imported at /usr/local/include/c++/11.0.1/bits/basic_string.h:48, included from /usr/local/include/c++/11.0.1/string:55, from /usr/local/include/c++/11.0.1/bits/locale_classes.h:40, from /usr/local/include/c++/11.0.1/bits/ios_base.h:41, from /usr/local/include/c++/11.0.1/ios:42, of module /usr/local/include/c++/11.0.1/ios, imported at /usr/local/include/c++/11.0.1/istream:38, included from /usr/local/include/c++/11.0.1/sstream:38: /usr/local/include/c++/11.0.1/ext/numeric_traits.h:75:27: note: ‘__gnu_cxx::__numeric_traits_integer::__max’ was not initialized with a constant expression 75 | static const _Value __max = __is_signed | ^ /usr/local/include/c++/11.0.1/sstream: At global scope: /usr/local/include/c++/11.0.1/sstream: warning: not writing module ‘/usr/local/include/c++/11.0.1/sstream’ due to errors g++ (GCC) 11.0.1 20210326 (experimental) Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[Bug c++/99427] [modules] in system headers: non-constant condition for static assertion
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 --- Comment #1 from Alexander Lelyakin --- There is a shorter sequence: /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header string_view /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header deque /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header string /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header fstream /usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header condition_variable In file included from /usr/local/include/c++/11.0.1/semaphore:35, from /usr/local/include/c++/11.0.1/stop_token:37, from /usr/local/include/c++/11.0.1/condition_variable:47: /usr/local/include/c++/11.0.1/bits/semaphore_base.h: In instantiation of ‘struct std::__atomic_semaphore’: /usr/local/include/c++/11.0.1/bits/semaphore_base.h:292:45: required from here /usr/local/include/c++/11.0.1/bits/semaphore_base.h:172:23: error: non-constant condition for static assertion 171 | static_assert(__gnu_cxx::__int_traits<_Tp>::__max | ~ 172 | <= __gnu_cxx::__int_traits::__max); | ^~~~ /usr/local/include/c++/11.0.1/bits/semaphore_base.h:172:23: error: the value of ‘__gnu_cxx::__numeric_traits_integer::__max’ is not usable in a constant expression In file included from /usr/local/include/c++/11.0.1/bits/stl_algobase.h:63, from /usr/local/include/c++/11.0.1/bits/char_traits.h:39, from /usr/local/include/c++/11.0.1/string_view:41, of module /usr/local/include/c++/11.0.1/string_view, imported at /usr/local/include/c++/11.0.1/bits/basic_string.h:48, included from /usr/local/include/c++/11.0.1/string:55, of module /usr/local/include/c++/11.0.1/string, imported at /usr/local/include/c++/11.0.1/stdexcept:39, included from /usr/local/include/c++/11.0.1/system_error:41, from /usr/local/include/c++/11.0.1/bits/std_mutex.h:39, from /usr/local/include/c++/11.0.1/condition_variable:40: /usr/local/include/c++/11.0.1/ext/numeric_traits.h:75:27: note: ‘__gnu_cxx::__numeric_traits_integer::__max’ was not initialized with a constant expression 75 | static const _Value __max = __is_signed | ^ /usr/local/include/c++/11.0.1/condition_variable: warning: not writing module ‘/usr/local/include/c++/11.0.1/condition_variable’ due to errors g++ (GCC) 11.0.1 20210324 (experimental) Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
