Use do-while loop to include System.Object attributes

Signed-off-by: Medha Tiwari <[email protected]>

Author: medhatiwari

src/coreclr/System.Private.CoreLib/src/System/Reflection/RuntimeCustomAttributeData.cs

@@ -1270,12 +1270,12 @@ internal static object[] GetCustomAttributes(RuntimeType type, RuntimeType caTyp
             for (int i = 0; i < pcas.Count; i++)
                 result.Add(pcas[i]);
 
-            while (type != null)
+            do
             {
                 AddCustomAttributes(ref result, type.GetRuntimeModule(), type.MetadataToken, caType, mustBeInheritable, result);
                 mustBeInheritable = true;
                 type = (type.BaseType as RuntimeType)!;
-            }
+            } while (type != (RuntimeType)typeof(object) && type != null);
 
             object[] typedResult = CreateAttributeArrayHelper(caType, result.Count);
             for (int i = 0; i < result.Count; i++)