Workaround to remove unnecessary bounds checks when using...

Workaround to remove unnecessary bounds checks when using {ReadOnly}Span.IsEmpty (dotnet/coreclr#19640)



Commit migrated from https://github.com/dotnet/coreclr/commit/3ce59b1ab67fcf7c23c9fbc5da9b229f54568414

src/libraries/System.Private.CoreLib/src/System/ReadOnlySpan.cs

@@ -40,7 +40,8 @@ public bool IsEmpty
             [NonVersionable]
             get
             {
-                return _length == 0;
+                // Workaround for https://github.com/dotnet/coreclr/issues/19620
+                return 0 >= (uint)_length;
             }
         }
         /// <summary>

src/libraries/System.Private.CoreLib/src/System/Span.cs

@@ -40,7 +40,8 @@ public bool IsEmpty
             [NonVersionable]
             get
             {
-                return _length == 0;
+                // Workaround for https://github.com/dotnet/coreclr/issues/19620
+                return 0 >= (uint)_length;
             }
         }