Imported Upstream version 3.12.0

Former-commit-id: cf92446697332992ec36726e78eb8703e1f259d7

mcs/class/corlib/Test/System.Runtime.InteropServices/GCHandleTest.cs

@@ -18,8 +18,11 @@ namespace MonoTests.System.Runtime.InteropServices
 	[TestFixture]
 	public class GCHandleTest
 	{
+		// Expected warning, the tests that reference this handle are testing for the default values of the object
+		#pragma warning disable 649
 		static GCHandle handle;
-
+		#pragma warning restore 649
+		
 		[Test]
 		public void DefaultZeroValue_Allocated ()
 		{

mcs/class/corlib/Test/System.Runtime.InteropServices/MarshalTest.cs

@@ -28,7 +28,7 @@ namespace MonoTests.System.Runtime.InteropServices
 			public int field;
 		}
 
-		class ClsNoLayout {
+		public class ClsNoLayout {
 			public int field;
 		}
 
@@ -173,12 +173,12 @@ namespace MonoTests.System.Runtime.InteropServices
 			Marshal.FreeHGlobal (ptr);
 		}
 
-		struct Foo {
-			int a;
-			static int b;
-			long c;
-			static char d;
-			int e;
+		public struct Foo {
+			public int a;
+			public static int b;
+			public long c;
+			public static char d;
+			public int e;
 		}
 
 		[Test]