Language
C++
Compiler
clang HEAD 9.0.0 (https://github.com/llvm-mirror/clang.git 764bd63e5b6b19051d14a3172ee82fb3e83b8857) (https://github.com/llvm-mirror/llvm.git 0f50aefa77a75766018759ab2718eeb043ab9e88)
Options
Warnings
Boost 1.69.0
C++2a(GNU)
no pedantic
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.69.0/clang-head/include -std=gnu++2a
Exit Code:
1