cmake COMPILER_RT_HAS_BUILTIN_FORMAL_SECURITY_FLAG examples

Lewuathe/mlir-hello thirdparty/llvm-project/compiler-rt/cmake/config-ix.cmake :177

check_cxx_compiler_flag("-Werror -Wformat-security" COMPILER_RT_HAS_BUILTIN_FORMAL_SECURITY_FLAG)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-compiler-rt/cmake/config-ix.cmake :154

check_cxx_compiler_flag(-Werror -Wformat-security COMPILER_RT_HAS_BUILTIN_FORMAL_SECURITY_FLAG)