Language
C++
Compiler
gcc HEAD 10.0.0 20191210 (experimental)
Options
Warnings
Boost 1.71.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-head/include -std=gnu++2a
Exit Code:
1
Author
anonymous
over 5 years ago
C++
gcc HEAD 10.0.0 20191210 (experimental)
Author
anonymous
over 5 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-head/include -std=gnu++2a
prog.cc: In function 'int main()':
prog.cc:23:23: error: non-constant condition for static assertion
23 | static_assert(typeA1 == typeA2);
| ~~~~~~~^~~~~~~~~
prog.cc:23:23: error: call to non-'constexpr' function 'bool std::type_info::operator==(const std::type_info&) const'
In file included from prog.cc:1:
/opt/wandbox/gcc-head/include/c++/10.0.0/typeinfo:120:10: note: 'bool std::type_info::operator==(const std::type_info&) const' declared here
120 | bool operator==(const type_info& __arg) const _GLIBCXX_NOEXCEPT
| ^~~~~~~~
prog.cc:21:34: warning: unused variable 'typeB' [-Wunused-variable]
21 | constexpr std::type_info const& typeB = typeid(b);
| ^~~~~