[netcore] Ongoing work. (#13391)

* [runtime] Add a few new m_class inline functions.

* [netcore] Implement Array.IndexOf ().

* [netcore] Implement RuntimeHelpers.PrepareMethod ().

* Add error checks to RuntimeHelpers.GetUninitializedObject ().
* Fix some type attributes.
* Fix some TypedReference special cases.

1 files changed, 6 insertions, 1 deletions

diff --git a/mcs/class/referencesource/mscorlib/system/typedreference.cs b/mcs/class/referencesource/mscorlib/system/typedreference.cs
index 534fa305379..3b71114749e 100644
--- a/mcs/class/referencesource/mscorlib/system/typedreference.cs
+++ b/mcs/class/referencesource/mscorlib/system/typedreference.cs
@@ -44,7 +44,7 @@ namespace System {
                 throw new ArgumentNullException("flds");
             Contract.EndContractBlock();
             if (flds.Length == 0)
-                throw new ArgumentException(Environment.GetResourceString("Arg_ArrayZeroError"));
+                throw new ArgumentException(Environment.GetResourceString("Arg_ArrayZeroError"), nameof (flds));
 
             IntPtr[] fields = new IntPtr[flds.Length];
             // For proper handling of Nullable<T> don't change GetType() to something like 'IsAssignableFrom'
@@ -56,8 +56,13 @@ namespace System {
                 if (field == null)
                     throw new ArgumentException(Environment.GetResourceString("Argument_MustBeRuntimeFieldInfo"));
 
+#if NETCORE
+                if (field.IsStatic)
+                    throw new ArgumentException(Environment.GetResourceString("Argument_TypedReferenceInvalidField"));
+#else
                 if (field.IsInitOnly || field.IsStatic)
                     throw new ArgumentException(Environment.GetResourceString("Argument_TypedReferenceInvalidField"));
+#endif
                 
                 if (targetType != field.GetDeclaringTypeInternal() && !targetType.IsSubclassOf(field.GetDeclaringTypeInternal()))
                     throw new MissingMemberException(Environment.GetResourceString("MissingMemberTypeRef"));