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Language

C++

Compiler

clang HEAD 12.0.0 (https://github.com/llvm/llvm-project.git 344a3d0bc0fb0868b519c3342b4982d6121eece3)

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

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=c++2a -Weverything
prog.cc:5:13: warning: 'long long' is incompatible with C++98 [-Wc++98-compat-pedantic]
   unsigned long long q = 42;
            ^
prog.cc:7:2: warning: C++98 requires newline at end of file [-Wc++98-compat-pedantic]
}
 ^
2 warnings generated.
Exit Code:
0