Regression test for bug 304376, restore String constructor

git-svn-id: svn://10.0.0.236/trunk@182961 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/tests/ecma_3/String/regress-304376.js

@@ -44,6 +44,8 @@ printBugNumber (bug);
 printStatus (summary);
 
 expect = 'String';
+
+var saveString = String;
   
 String = Array;
 
@@ -52,4 +54,6 @@ actual = (new String()).constructor.name;
 // see if we can crash...
 "".join();
 
+String = saveString;
+
 reportCompare(expect, actual, summary);