Language
C++
Compiler
gcc HEAD 11.0.0 20200915 (experimental)
Options
Warnings
Boost 1.73.0
C++03
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++98 Exit Code:
0
C++
gcc HEAD 11.0.0 20200915 (experimental)
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++98 prog.cc: In function 'int main()':
prog.cc:8:14: warning: narrowing conversion of '4294967295' from 'long int' to 'int' is ill-formed in C++11 [-Wnarrowing]
8 | case 4294967295: // OK
| ^~~~~~~~~~
prog.cc:10:14: warning: narrowing conversion of '4294967296' from 'long int' to 'int' is ill-formed in C++11 [-Wnarrowing]
10 | case 4294967296: // C4178
| ^~~~~~~~~~
prog.cc:10:14: warning: overflow in conversion from 'long int' to 'int' changes value from '4294967296' to '0' [-Woverflow]
prog.cc:10:9: warning: overflow in conversion from 'long int' to 'int' changes value from '4294967296' to '0' [-Woverflow]
10 | case 4294967296: // C4178
| ^~~~