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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:11:13: error: circular pointer delegation detected
   int i = y->z; // C4280
            ^
prog.cc:6:7: note: 'operator->' declared here produces an object of type 'A'
   A& operator ->();
      ^
1 error generated.
Exit Code:
1