src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java

rev 50632 : [mq]: defaultroots

@@ -158,6 +158,13 @@
     /** Value of platform release used to access multi-release jar files
      */
     public String multiReleaseValue() {
         return Integer.toString(this.ordinal() - Target.JDK1_1.ordinal() + 1);
     }
+
+    /** All modules that export an API are roots when compiling code in the unnamed
+     *  module and targeting 11 or newer.
+     */
+    public boolean allApiModulesAreRoots() {
+        return compareTo(JDK1_11) >= 0;
+    }
 }