   /// [Unicode Standard](http://www.unicode.org/versions/latest/).
   public var age: Unicode.Version? {
     var versionInfo: __swift_stdlib_UVersionInfo = (0, 0, 0, 0)
-    withUnsafeMutablePointer(to: &versionInfo.0) { versionInfoPointer in
-      __swift_stdlib_u_charAge(_value, versionInfoPointer)
+    withUnsafeMutablePointer(to: &versionInfo) { tuplePtr in
+      tuplePtr.withMemoryRebound(to: UInt8.self, capacity: 4) {
+        versionInfoPtr in
+        __swift_stdlib_u_charAge(_value, versionInfoPtr)
+      }
     }
     guard versionInfo.0 != 0 else { return nil }
-    return (major: Int(versionInfo.0), Int(versionInfo.1))
+    return (major: Int(versionInfo.0), minor: Int(versionInfo.1))
   }
 }
 

    var utf16 = _utf16CodeUnits
    var scratchBuffer = _Normalization._SegmentOutputBuffer(allZeros: ())
    let count = scratchBuffer.withUnsafeMutableBufferPointer { bufPtr -> Int in
      return withUnsafePointer(to: &utf16.0) { utf16Pointer in
        var err = __swift_stdlib_U_ZERO_ERROR
        let correctSize = u_strTo(
          bufPtr.baseAddress._unsafelyUnwrappedUnchecked,
          Int32(bufPtr.count),
          utf16Pointer,
          Int32(utf16Length),
          "",
          &err)
        guard err.isSuccess ||
              err == __swift_stdlib_U_BUFFER_OVERFLOW_ERROR else {
          fatalError("Unexpected error case-converting Unicode scalar.")
        }
        return Int(correctSize)
      }
    }
    if _fastPath(count <= scratchBuffer.count) {

    }
    var array = Array<UInt16>(repeating: 0, count: count)
    array.withUnsafeMutableBufferPointer { bufPtr in
      withUnsafePointer(to: &utf16) { tuplePtr in
        tuplePtr.withMemoryRebound(to: UInt16.self, capacity: 2) {
          utf16Pointer in
          var err = __swift_stdlib_U_ZERO_ERROR
          let correctSize = u_strTo(
            bufPtr.baseAddress._unsafelyUnwrappedUnchecked,
            Int32(bufPtr.count),
            utf16Pointer,
            Int32(utf16Length),
            "",
            &err)
          guard err.isSuccess else {
            fatalError("Unexpected error case-converting Unicode scalar.")
          }
          _sanityCheck(count == correctSize, "inconsistent ICU behavior")
        }
      }
    }
    return String._fromWellFormedUTF16CodeUnits(array[..<count])
