/llvm-project/clang/examples/LLVMPrintFunctionNames/LLVMPrintFunctionNames.cpp:36:20: error: cannot use incomplete type 'llvm::Module' as a range for (auto &F : M) ^
/llvm-project/clang/examples/LLVMPrintFunctionNames/LLVMPrintFunctionNames.cpp:33:28: error: unused variable 'key' [-Werror,-Wunused-variable] static llvm::AnalysisKey key; ^ 1 error generated.