[deoptimizer] Do not pass arguments markers to the debugger.

test/mjsunit/debug-materialized.js

Index: test/mjsunit/debug-materialized.js
diff --git a/test/mjsunit/debug-materialized.js b/test/mjsunit/debug-materialized.js
new file mode 100644
index 0000000000000000000000000000000000000000..0b01b78df491fadee3187d74d8b9b0922aefd4a9
--- /dev/null
+++ b/test/mjsunit/debug-materialized.js
@@ -0,0 +1,41 @@
+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --expose-debug-as debug
+
+function dbg(x) {
+  debugger;
+}
+
+function foo() {
+  arguments[0];
+  dbg();
+}
+
+function bar() {
+  var t = { a : 1 };
+  dbg();
+  return t.a;
+}
+
+foo(1);
+foo(1);
+bar(1);
+bar(1);
+%OptimizeFunctionOnNextCall(foo);
+%OptimizeFunctionOnNextCall(bar);
+
+var Debug = debug.Debug;
+Debug.setListener(function(event, exec_state, event_data, data) {
+  if (event != Debug.DebugEvent.Break) return;
+  for (var i = 0; i < exec_state.frameCount(); i++) {
+    var f = exec_state.frame(i);
+    for (var j = 0; j < f.localCount(); j++) {
+      print("'" + f.localName(j) + "' = " + f.localValue(j).value());
+    }
+  }
+});
+
+foo(1);
+bar(1);