[turbofan] Remove bogus constant materialization from frame.

test/mjsunit/regress/regress-crbug-648539.js

Index: test/mjsunit/regress/regress-crbug-648539.js
diff --git a/test/mjsunit/regress/regress-crbug-621816.js b/test/mjsunit/regress/regress-crbug-648539.js
similarity index 54%
copy from test/mjsunit/regress/regress-crbug-621816.js
copy to test/mjsunit/regress/regress-crbug-648539.js
index ca7f5ac6df314f81e4c73f9417d1a6f3240540fc..399180f03ee90f4e41ff44c05f86883e88d77f39 100644
--- a/test/mjsunit/regress/regress-crbug-621816.js
+++ b/test/mjsunit/regress/regress-crbug-648539.js
@@ -2,17 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --turbo
+// Flags: --allow-natives-syntax --harmony-tailcalls
 
 function f() {
-  var o = {};
-  o.a = 1;
+  "use strict";
+  return undefined(0, 0);
 }
 function g() {
-  var o = { ['a']: function(){} };
-  f();
+  return f();
 }
-f();
-f();
+assertThrows(g, TypeError);
+assertThrows(g, TypeError);
 %OptimizeFunctionOnNextCall(g);
-g();
+assertThrows(g, TypeError);