check clang version before disabling warning
check clang version before disabling warning

vaporry/mix,tomthebuzz/mix,LefterisJP/mix,LianaHus/mix,LefterisJP/mix,chriseth/mix,vaporry/mix,vaporry/mix,yann300/mix,ethereum/mix,tomthebuzz/mix,ethereum/mix,chriseth/mix,yann300/mix,tomthebuzz/mix,yann300/mix,ethereum/mix,LianaHus/mix,chriseth/mix,LefterisJP/mix,LianaHus/mix