cmake OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG examples

Lewuathe/mlir-hello thirdparty/llvm-project/openmp/cmake/config-ix.cmake :26

check_cxx_compiler_flag(-Wimplicit-fallthrough OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG)

llvm-mirror/openmp cmake/config-ix.cmake :9

check_cxx_compiler_flag(-Wimplicit-fallthrough OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG)