Modify Object.{freeze,seal,isFrozen,isSealed} to avoid the problematic "caller" method on Functions.

test/mjsunit/regress/regress-2407.js

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-// Filler long enough to trigger lazy parsing.
-var filler = "//" + new Array(1024).join('x');
+// Regression test for http://code.google.com/p/v8/issues/detail?id=2407.
+//
+// Test that Object.{seal,isSealed,freeze,isFrozen} don't throw when called
+// on non-strict Function objects with a strict "caller" property.
 
-// Test strict eval in global context.
-eval(
-  "'use strict';" +
-  "var x = 23;" +
-  "var f = function bozo1() {" +
-  "  return x;" +
-  "};" +
-  "assertSame(23, f());" +
-  filler
-);
+function nonStrict(fun) {
+  fun(nonStrict);
+}
 
-// Test default eval in strict context.
-(function() {
+function strict(fun) {
   "use strict";
-  eval(
-    "var y = 42;" +
-    "var g = function bozo2() {" +
-    "  return y;" +
-    "};" +
-    "assertSame(42, g());" +
-    filler
-  );
-})();
+  nonStrict(fun);
+}
+
+var problematicFunctions = [
+  Object.isSealed,
+  Object.isFrozen,
+  Object.seal,
+  Object.freeze,
+];
+
+assertDoesNotThrow(problematicFunctions.forEach(strict));