message: Added -Werror=implicit-fallthrough=2 to GCC 7 build.
diff: @@ -170,7 +170,7 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4)
  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
  set(CMAKE_CXX_FLAGS
  - "${CMAKE_CXX_FLAGS} -faligned-new")
  + "${CMAKE_CXX_FLAGS} -faligned-new -Werror=implicit-fallthrough=2")
  endif()
  set(CMAKE_CXX_FLAGS
  "${CMAKE_CXX_FLAGS} -Wunused-result -Werror=unused-result -Wunused-parameter -Werror=unused-parameter")
  