--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransTypes.java	Mon Dec 04 10:13:58 2017 +0100
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransTypes.java	Mon Dec 04 17:54:49 2017 +0000
@@ -29,6 +29,7 @@
 
 import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.code.Attribute.TypeCompound;
+import com.sun.tools.javac.code.Source.Feature;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.resources.CompilerProperties.Errors;
 import com.sun.tools.javac.tree.*;
@@ -94,8 +95,8 @@
         make = TreeMaker.instance(context);
         resolve = Resolve.instance(context);
         Source source = Source.instance(context);
-        allowInterfaceBridges = source.allowDefaultMethods();
-        allowGraphInference = source.allowGraphInference();
+        allowInterfaceBridges = Feature.DEFAULT_METHODS.allowedInSource(source);
+        allowGraphInference = Feature.GRAPH_INFERENCE.allowedInSource(source);
         annotate = Annotate.instance(context);
         attr = Attr.instance(context);
     }