Imported Upstream version 4.2.1.36

Former-commit-id: fb75898888a02f4d3a74cf0a5b841681bc4c7fa8

external/ikvm/runtime/ClassLoaderWrapper.cs

@@ -53,6 +53,7 @@ namespace IKVM.Internal
 		NoAutomagicSerialization = 32,
 		DisableDynamicBinding = 64,
 		NoRefEmitHelpers = 128,
+		RemoveUnusedFields = 256,
 	}
 
 	[Flags]
@@ -329,6 +330,14 @@ namespace IKVM.Internal
 			}
 		}
 
+		internal bool RemoveUnusedFields
+		{
+			get
+			{
+				return (codegenoptions & CodeGenOptions.RemoveUnusedFields) != 0;
+			}
+		}
+
 		internal bool WorkaroundAbstractMethodWidening
 		{
 			get
@@ -1486,6 +1495,10 @@ namespace IKVM.Internal
 				{
 					cfp |= ClassFileParseOptions.TrustedAnnotations;
 				}
+				if (RemoveAsserts)
+				{
+					cfp |= ClassFileParseOptions.RemoveAssertions;
+				}
 				return cfp;
 #else
 				ClassFileParseOptions cfp = ClassFileParseOptions.LineNumberTable;