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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

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=c++2a 
prog.cc:6:13: error: cast from pointer to smaller type 'char' loses information
   char c = (char) &i;     // C4302
            ^~~~~~~~~
prog.cc:7:14: error: cast from pointer to smaller type 'short' loses information
   short s = (short) &i;   // C4302
             ^~~~~~~~~~
2 errors generated.
Exit Code:
1