src/share/classes/com/sun/tools/javac/tree/TreeTranslator.java

*** 383,392 ****
--- 383,404 ----
      @Override
      public void visitTypeBoundKind(TypeBoundKind tree) {
          result = tree;
      }
      
+     public void visitFunctionType(JCFunctionType tree) {
+         tree.returnType = translate(tree.returnType);
+         tree.parameterTypes = translate(tree.parameterTypes);
+         result = tree;
+     }
+     
+     public void visitLambda(JCLambda tree) {
+         tree.parameters = translate(tree.parameters);
+         tree.bodyOrExpr = translate(tree.bodyOrExpr);
+         result = tree;
+     }
+ 
      public void visitErroneous(JCErroneous tree) {
          result = tree;
      }
  
      public void visitLetExpr(LetExpr tree) {