src/java.base/share/classes/java/lang/reflect/Modifier.java

@@ -332,16 +332,17 @@
 
     // Bits not (yet) exposed in the public API either because they
     // have different meanings for fields and methods and there is no
     // way to distinguish between the two in this class, or because
     // they are not Java programming language keywords
-    static final int BRIDGE    = 0x00000040;
-    static final int VARARGS   = 0x00000080;
-    static final int SYNTHETIC = 0x00001000;
+    static final int BRIDGE      = 0x00000040;
+    static final int VARARGS     = 0x00000080;
+    static final int SYNTHETIC   = 0x00001000;
     static final int ANNOTATION  = 0x00002000;
-    static final int ENUM      = 0x00004000;
-    static final int MANDATED  = 0x00008000;
+    static final int ENUM        = 0x00004000;
+    static final int MANDATED    = 0x00008000;
+    static final int FLATTENED   = 0x00008000;      // HotSpot-specific bit
     static boolean isSynthetic(int mod) {
       return (mod & SYNTHETIC) != 0;
     }
 
     static boolean isMandated(int mod) {