Wandbox

Ran/Viewed Log

Language

C++

Compiler

gcc HEAD 11.0.0 20200917 (experimental)

Options

Warnings

Boost 1.73.0

C++2a

no pedantic

Raw compiler options

-Wconversion

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=c++2a -Wconversion

prog.cc: In function 'int main()':
prog.cc:10:12: warning: conversion from 'int' to 'char' may change value [-Wconversion]
   10 |    a = func();   // C4242, return type and variable type do not match
      |        ~~~~^~
prog.cc:9:9: warning: variable 'a' set but not used [-Wunused-but-set-variable]
    9 |    char a;
      |         ^

Exit Code:

0