--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/DeferredAttr.java	Thu Nov 08 16:23:55 2018 +0100
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/DeferredAttr.java	Thu Nov 08 10:36:06 2018 -0500
@@ -151,7 +151,7 @@
                         JCExpression clazz = copy(t.clazz, p);
                         List<JCExpression> args = copy(t.args, p);
                         JCClassDecl def = null;
-                        return make.at(t.pos).NewClass(encl, typeargs, clazz, args, def);
+                        return make.at(t.pos).SpeculativeNewClass(encl, typeargs, clazz, args, def, t.def != null);
                     } else {
                         return super.visitNewClass(node, p);
                     }