Fix set variable value bug: a function argument must be updated in 2 places

test/mjsunit/debug-set-variable-value.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 239 matching lines @@
 
 RunPauseTest(0, 'mouse', 'v1', 'dog', 'dog', (function Factory() {
   return function() {
     eval("var v1 = 'mouse'");
     debugger;
     return v1;
   }
 })());
 
 
+// Check that we correctly update local variable that
+// is referenced from an inner closure.
+RunPauseTest(0, 'Blue', 'v', 'Green', 'Green', (function Factory() {
+  return function() {
+    function A() {
+      var v = "Blue";
+      function Inner() {
+        return void v;
+      }
+      debugger;
+      return v;
+    }
+    return A();
+  }
+})());
+
+// Check that we correctly update parameter, that is known to be stored
+// both on stack and in heap.
+RunPauseTest(0, 5, 'p', 2012, 2012, (function Factory() {
+  return function() {
+    function A(p) {
+      function Inner() {
+        return void p;
+      }
+      debugger;
+      return p;
+    }
+    return A(5);
+  }
+})());
+
+
 // Test value description protocol JSON
 
 assertEquals(true, Debug.TestApi.CommandProcessorResolveValue({value: true}));
 
 assertSame(null, Debug.TestApi.CommandProcessorResolveValue({type: "null"}));
 assertSame(undefined,
     Debug.TestApi.CommandProcessorResolveValue({type: "undefined"}));
 
 assertSame("123", Debug.TestApi.CommandProcessorResolveValue(
     {type: "string", stringDescription: "123"}));
 assertSame(123, Debug.TestApi.CommandProcessorResolveValue(
     {type: "number", stringDescription: "123"}));
 
 assertSame(Number, Debug.TestApi.CommandProcessorResolveValue(
     {handle: Debug.MakeMirror(Number).handle()}));
 assertSame(RunClosureTest, Debug.TestApi.CommandProcessorResolveValue(
     {handle: Debug.MakeMirror(RunClosureTest).handle()}));