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+// Copyright 2013 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.
+
+
+// If a function parameter is forced to be context allocated,
+// debug evaluate need to resolve it to a context slot instead of
+// parameter slot on the stack.
+
+var Debug = debug.Debug;
+
+var expected;
+var exception = null;
+
+function listener(event, exec_state, event_data, data) {
+ if (event != Debug.DebugEvent.Break) return;
+ try {
+ assertEquals(expected, exec_state.frame(0).evaluate('arg').value());
+ exec_state.frame(0).evaluate('arg = "evaluated";'); // no effect
+ } catch (e) {
+ exception = e;
+ }
+}
+
+Debug.setListener(listener);
+
+function f(arg) {
+ expected = arg;
+ debugger;
+ assertEquals("evaluated", arg);
+
+ arg = "value";
+ expected = arg;
+ debugger;
+ assertEquals("evaluated", arg);
+
+ // Forces arg to be context allocated even though a parameter.
+ function g() { arg; }
+}
+
+f();
+f(1);
+f(1, 2);
+
+assertNull(exception);