Merge pull request #5010 from practicalswift/redundant-nil-init

Author: swift-ci

stdlib/public/SDK/Foundation/NSStringAPI.swift

@@ -1022,7 +1022,7 @@ extension String {
     orthography: NSOrthography? = nil,
     tokenRanges: UnsafeMutablePointer<[Range<Index>]>? = nil // FIXME:Can this be nil?
   ) -> [String] {
-    var nsTokenRanges: NSArray? = nil
+    var nsTokenRanges: NSArray?
     let result = tokenRanges._withNilOrAddress(of: &nsTokenRanges) {
       self._ns.linguisticTags(
         in: _toNSRange(range), scheme: tagScheme, options: opts,

stdlib/public/core/Runtime.swift.gyb

@@ -85,7 +85,7 @@ public // @testable
 func _stdlib_atomicInitializeARCRef(
   object target: UnsafeMutablePointer<AnyObject?>,
   desired: AnyObject) -> Bool {
-  var expected: UnsafeRawPointer? = nil
+  var expected: UnsafeRawPointer?
   let desiredPtr = Unmanaged.passRetained(desired).toOpaque()
   let wonRace = _stdlib_atomicCompareExchangeStrongPtr(
     object: unsafeBitCast(target, to: _PointerToPointer.self),