Language
C++
Compiler
gcc HEAD 11.0.0 20201015 (experimental)
Options
Warnings
Boost 1.73.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=gnu++2a Exit Code:
1
Author
anonymous
over 4 years ago
C++
gcc HEAD 11.0.0 20201015 (experimental)
Author
anonymous
over 4 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=gnu++2a prog.cc: In function 'int main()':
prog.cc:9:13: warning: statement has no effect [-Wunused-value]
9 | bar (42);
| ^
prog.cc:10:10: error: the value of 'i' is not usable in a constant expression
10 | bar (i);
| ^
prog.cc:7:9: note: 'int i' is not const
7 | int i = 5;
| ^