stdlib: Dictionary: use strideof() to calculate the array size

gribozavr · gribozavr · commit 0da6efdc1b45 · 2016-05-23T18:41:39.000-07:00
Since sizeof(UInt) == strideof(UInt) there is no bug here, but
strideof() is the correct API to use for this purpose.
diff --git a/stdlib/public/core/HashedCollections.swift.gyb b/stdlib/public/core/HashedCollections.swift.gyb
@@ -2549,7 +2549,7 @@ final internal class _Native${Self}StorageImpl<${TypeParameters}> :
   /// padding to align the start to word alignment.
   internal static func bytesForBitMap(capacity: Int) -> Int {
     let numWords = _BitMap.wordsFor(capacity)
-    return numWords * sizeof(UInt) + alignof(UInt)
+    return numWords * strideof(UInt) + alignof(UInt)
   }
 
   /// Returns the bytes necessary to store 'capacity' keys and padding to align

Original file line number	Diff line number	Diff line change
`@@ -2549,7 +2549,7 @@ final internal class _Native${Self}StorageImpl<${TypeParameters}> :`
`2549`	`2549`	`/// padding to align the start to word alignment.`
`2550`	`2550`	`internal static func bytesForBitMap(capacity: Int) -> Int {`
`2551`	`2551`	`let numWords = _BitMap.wordsFor(capacity)`
`2552`		`- return numWords * sizeof(UInt) + alignof(UInt)`
	`2552`	`+ return numWords * strideof(UInt) + alignof(UInt)`
`2553`	`2553`	`}`
`2554`	`2554`
`2555`	`2555`	`/// Returns the bytes necessary to store 'capacity' keys and padding to align`