Patch from Attila Szegedi <szegedia@freemail.hu> to adress bug 264637 :

Reducing InterpretedFunction footprint

js/rhino/src/org/mozilla/javascript/InterpretedFunction.java

@@ -44,7 +44,6 @@ final class InterpretedFunction extends NativeFunction implements Script
     SecurityController securityController;
     Object securityDomain;
     Scriptable[] functionRegExps;
-    boolean evalScriptFlag; // true if script corresponds to eval() code
 
     private InterpretedFunction(InterpreterData idata,
                                 Object staticSecurityDomain)

js/rhino/src/org/mozilla/javascript/Interpreter.java

@@ -2134,7 +2134,7 @@ public class Interpreter
         InterpretedFunction fn;
         fn = InterpretedFunction.createFunction(cx, scope, parent, index);
         ScriptRuntime.initFunction(cx, scope, fn, fn.idata.itsFunctionType,
-                                   parent.evalScriptFlag);
+                                   parent.idata.evalScriptFlag);
     }
 
     static Object interpret(InterpretedFunction ifun,
@@ -3663,7 +3663,7 @@ switch (op) {
         } else {
             scope = callerScope;
             ScriptRuntime.initScript(fnOrScript, thisObj, cx, scope,
-                                     fnOrScript.evalScriptFlag);
+                                     fnOrScript.idata.evalScriptFlag);
         }
 
         if (idata.itsNestedFunctions != null) {

js/rhino/src/org/mozilla/javascript/InterpreterData.java

@@ -118,6 +118,8 @@ final class InterpreterData implements Serializable, DebuggableScript
 
     InterpreterData parentData;
 
+    boolean evalScriptFlag; // true if script corresponds to eval() code
+
     public boolean isTopLevel()
     {
         return topLevel;

js/rhino/src/org/mozilla/javascript/ScriptRuntime.java

@@ -2201,7 +2201,7 @@ public class ScriptRuntime {
         // mode.
         Script script = cx.compileString((String)x, new Interpreter(),
                                          reporter, sourceName, 1, null);
-        ((InterpretedFunction)script).evalScriptFlag = true;
+        ((InterpretedFunction)script).idata.evalScriptFlag = true;
 
         // if the compile fails, an error has been reported by the
         // compiler, but we need to stop execution to avoid