Grab part of fix from upstream change: mono#9228 (case 1276200)

UnityAlex · UnityAlex · commit a46cc1d6b8f5 · 2020-09-15T17:09:27.000-04:00
diff --git a/mcs/class/System/System.Net/WebResponseStream.cs b/mcs/class/System/System.Net/WebResponseStream.cs
@@ -653,7 +653,7 @@ bool GetResponse (BufferOffsetSize buffer, ref int pos, ref ReadState state)
 					else
 						StatusDescription = string.Empty;
 
-					if (pos >= buffer.Size)
+					if (pos >= buffer.Offset)
 						return true;
 				}
 

Original file line number	Diff line number	Diff line change
`@@ -653,7 +653,7 @@ bool GetResponse (BufferOffsetSize buffer, ref int pos, ref ReadState state)`
`653`	`653`	`else`
`654`	`654`	`StatusDescription = string.Empty;`
`655`	`655`
`656`		`- if (pos >= buffer.Size)`
	`656`	`+ if (pos >= buffer.Offset)`
`657`	`657`	`return true;`
`658`	`658`	`}`
`659`	`659`