Move defn of dirname
Move defn of dirname

swift-lang/swift-t,blue42u/swift-t,swift-lang/swift-t,blue42u/swift-t,swift-lang/swift-t,blue42u/swift-t,swift-lang/swift-t,blue42u/swift-t,blue42u/swift-t,swift-lang/swift-t,blue42u/swift-t,swift-lang/swift-t,swift-lang/swift-t,blue42u/swift-t