Wandbox
SettingsLog
SettingsLog
Language
GitHubLogin
Ran/Viewed Log

Language

C++

Compiler

clang HEAD 12.0.0 (https://github.com/llvm/llvm-project.git 035396197a5f129c5ec42e9e46a85c32fa1c1b84)

Options
Warnings
Boost 1.73.0
C++2a
no pedantic
Raw compiler options
-Wunreachable-code

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=c++2a -Wunreachable-code
prog.cc:6:12: warning: using the result of an assignment as a condition without parentheses [-Wparentheses]
   if ( a  = b ) // C4706
        ~~~^~~
prog.cc:6:12: note: place parentheses around the assignment to silence this warning
   if ( a  = b ) // C4706
           ^
        (     )
prog.cc:6:12: note: use '==' to turn this assignment into an equality comparison
   if ( a  = b ) // C4706
           ^
           ==
1 warning generated.
Exit Code:
0