Fix IndexOutOfBoundsException

src/main/java/org/apache/harmony/pack200/ClassBands.java

@@ -1027,14 +1027,16 @@ public class ClassBands extends BandSet {
         }
         if(codeFlags.size() > 0) {
             long latestCodeFlag = ((Long)codeFlags.get(codeFlags.size() - 1)).longValue();
+            if (latestCodeFlag == (1 << 2)) {
                 int latestLocalVariableTableN = codeLocalVariableTableN.get(codeLocalVariableTableN.size() - 1);
-            if(latestCodeFlag == (1 << 2) && latestLocalVariableTableN == 0) {
+                if (latestLocalVariableTableN == 0) {
                     codeLocalVariableTableN.remove(codeLocalVariableTableN.size() - 1);
                     codeFlags.remove(codeFlags.size() - 1);
                     codeFlags.add(new Long(0));
                 }
             }
         }
+    }
 
     protected static int countArgs(String descriptor) {
         int bra = descriptor.indexOf('(');