Merge pull request #1590 from rauhul/pointer_initialization_update

Author: swift-ci

Foundation/FileManager.swift

@@ -985,9 +985,7 @@ open class FileManager : NSObject {
             fatalError("string could not be converted")
         }
         let buf = UnsafeMutablePointer<Int8>.allocate(capacity: len)
-        for i in 0..<len {
-            buf.advanced(by: i).initialize(to: 0)
-        }
+        buf.initialize(repeating: 0, count: len)
         if !path._nsObject.getFileSystemRepresentation(buf, maxLength: len) {
             buf.deinitialize(count: len)
             buf.deallocate()

Foundation/NSURL.swift

@@ -566,10 +566,8 @@ open class NSURL : NSObject, NSSecureCoding, NSCopying {
         let bufSize = Int(PATH_MAX + 1)
 
         let _fsrBuffer = UnsafeMutablePointer<Int8>.allocate(capacity: bufSize)
-        for i in 0..<bufSize {
-            _fsrBuffer.advanced(by: i).initialize(to: 0)
-        }
-        
+        _fsrBuffer.initialize(repeating: 0, count: bufSize)
+
         if getFileSystemRepresentation(_fsrBuffer, maxLength: bufSize) {
             return UnsafePointer(_fsrBuffer)
         }