bugfix for delomboking source that does not compile; it should just emit compiler errors, not stack traces.

src/core/lombok/javac/JavacResolution.java

@@ -261,6 +261,7 @@ public class JavacResolution {
 	}
 	
 	public static Type ifTypeIsIterableToComponent(Type type, JavacAST ast) {
+		if (type == null) return null;
 		Types types = Types.instance(ast.getContext());
 		Symtab syms = Symtab.instance(ast.getContext());
 		Type boundType = ReflectiveAccess.Types_upperBound(types, type);

src/utils/lombok/javac/JavacTreeMaker.java

@@ -226,6 +226,7 @@ public class JavacTreeMaker {
 		}
 		
 		public static TypeTag typeTag(Type t) {
+			if (t == null) return Javac.CTC_VOID;
 			try {
 				return new TypeTag(getFieldCached(FIELD_CACHE, t, "tag"));
 			} catch (NoSuchFieldException e) {