diff --git a/jode/jode/GlobalOptions.java b/jode/jode/GlobalOptions.java
index 4b50747..2b726f4 100644
--- a/jode/jode/GlobalOptions.java
+++ b/jode/jode/GlobalOptions.java
@@ -40,14 +40,14 @@ public class GlobalOptions {
     public static final int DEBUG_LVT      = 0x040;
     public static final int DEBUG_CHECK    = 0x080;
     public static final int DEBUG_LOCALS   = 0x100;
+    public static final int DEBUG_CONSTRS  = 0x200;
 
     public static final String[] debuggingNames = {
 	"bytecode", "verifier", "types", "flow", 
-	"inout", "analyze", "lvt", "check", "locals"
+	"inout", "analyze", "lvt", "check", "locals",
+	"constructors",
     };
 
-    public static boolean sanityChecks = false;
-
     public static void usageDebugging() {
 	err.println("Debugging option: --debug=flag1,flag2,...");
 	err.println("possible flags:");
@@ -67,6 +67,10 @@ public class GlobalOptions {
 		    "dump LocalVariableTable.");
 	err.println("\tcheck        " +
 		    "do time consuming sanity checks.");
+	err.println("\tlocals       " +
+		    "dump local merging information.");
+	err.println("\tconstructors " +
+		    "dump constructor simplification.");
 	System.exit(0);
     }