Return LOOKUP variable instead of CONTEXT for non-context allocated outer scope parameters.

test/mjsunit/regress/regress-119609.js

Index: test/mjsunit/regress/regress-119609.js
diff --git a/test/mjsunit/regress/regress-119609.js b/test/mjsunit/regress/regress-119609.js
new file mode 100644
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@@ -0,0 +1,71 @@
+// 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-debug-as debug
+
+Debug = debug.Debug;
+
+var exception = false;
+
+function listener(event, exec_state, event_data, data) {
+  try {
+    if (event == Debug.DebugEvent.Break) {
+      function lookup(name) {
+	return exec_state.frame(0).evaluate(name).value();
+      }
+
+      assertEquals(3, lookup("e"));
+      assertEquals(4, lookup("f"));
+      assertEquals(1, lookup("a"));
+
+      try {
+	assertEquals(2, lookup("b"));
+      } catch (e) {
+	assertEquals("ReferenceError: b is not defined", e.toString());
+      }
+    }
+  } catch (e) {
+    exception = e.toString() + e.stack;
+  }
+}
+
+Debug.setListener(listener);
+
+function f(a, b) {
+  var c = 3;
+  function d(e, f) {
+    var g = a;
+    var h = c;
+    debugger;
+  }
+
+  return d;
+}
+
+f(1, 2)(3, 4);
+
+assertFalse(exception);