Language
C++
Compiler
gcc 8.2.0
Options
Warnings
Don't Use Boost
C++17
no pedantic
$ g++ prog.cc -Wall -Wextra -std=c++17 Exit Code:
1
C++
gcc 8.2.0
$ g++ prog.cc -Wall -Wextra -std=c++17 prog.cc: In function 'int main()':
prog.cc:11:12: error: call of overloaded 'X(Y)' is ambiguous
X x(Y{});
^
prog.cc:2:5: note: candidate: 'X::X(int)'
X(int) {}
^
prog.cc:1:8: note: candidate: 'constexpr X::X(const X&)'
struct X {
^
prog.cc:1:8: note: candidate: 'constexpr X::X(X&&)'