message: disabled a Clang warning
diff: @@ -64,6 +64,8 @@ if(MSVC)
  set(OIDN_ISA_FLAGS_SSE41 "-msse4.1")
  # Disable warning: cannot vectorize some loops with #pragma omp simd
  append(OIDN_C_CXX_FLAGS "-Wno-pass-failed")
  + # Disable warning: function is not needed and will not be emitted
  + append(OIDN_C_CXX_FLAGS "-Wno-unneeded-internal-declaration")
  endif()
  elseif(UNIX OR MINGW)
  append(OIDN_C_CXX_FLAGS "-Wall -Wno-unknown-pragmas")
  @@ -74,6 +76,8 @@ elseif(UNIX OR MINGW)
  set(OIDN_ISA_FLAGS_SSE41 "-msse4.1")
  # Disable warning: cannot vectorize some loops with #pragma omp simd
  append(OIDN_C_CXX_FLAGS "-Wno-pass-failed")
  + # Disable warning: function is not needed and will not be emitted
  + append(OIDN_C_CXX_FLAGS "-Wno-unneeded-internal-declaration")
  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
  set(OIDN_ISA_FLAGS_SSE41 "-msse4.1")
  # Suppress warning on assumptions made regarding overflow (#146)
  