Wandbox

Ran/Viewed Log

Author

anonymous

almost 7 years ago

Language

C++

Compiler

gcc HEAD 9.0.0 20180728 (experimental)

Options

Warnings

Boost 1.66.0

C++2a(GNU)

no pedantic

Raw compiler options

-fpermissive

Author

anonymous

almost 7 years ago

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.66.0/gcc-head/include -std=gnu++2a -fpermissive

prog.cc: In function 'int main()':
prog.cc:12:32: error: expression 'temp' has side-effects
     constexpr auto fail = func(temp, 2);
                                ^~~~
prog.cc:10:20: warning: unused variable 'success' [-Wunused-variable]
     constexpr auto success = func(1, 2);
                    ^~~~~~~
prog.cc:12:20: warning: unused variable 'fail' [-Wunused-variable]
     constexpr auto fail = func(temp, 2);
                    ^~~~

Exit Code:

1