Optimize StreamExtensions.Read<T> downlevel

Sergio0694 · Sergio0694 · commit fe6362b88b1c · 2022-12-07T16:57:09.000+01:00
diff --git a/src/CommunityToolkit.HighPerformance/Extensions/StreamExtensions.cs b/src/CommunityToolkit.HighPerformance/Extensions/StreamExtensions.cs
@@ -236,7 +236,7 @@ public static unsafe T Read<T>(this Stream stream)
         {
             do
             {
-                int bytesRead = stream.Read(buffer.AsSpan(bytesOffset, sizeof(T) - bytesOffset));
+                int bytesRead = stream.Read(buffer, bytesOffset, sizeof(T) - bytesOffset);
 
                 if (bytesRead == 0)
                 {

Original file line number	Diff line number	Diff line change
`@@ -236,7 +236,7 @@ public static unsafe T Read<T>(this Stream stream)`
`236`	`236`	`{`
`237`	`237`	`do`
`238`	`238`	`{`
`239`		`- int bytesRead = stream.Read(buffer.AsSpan(bytesOffset, sizeof(T) - bytesOffset));`
	`239`	`+ int bytesRead = stream.Read(buffer, bytesOffset, sizeof(T) - bytesOffset);`
`240`	`240`
`241`	`241`	`if (bytesRead == 0)`
`242`	`242`	`{`