Tweaks to global object inline cache code

src/ic.cc

Index: src/ic.cc
===================================================================
--- src/ic.cc	(revision 2303)
+++ src/ic.cc	(working copy)
@@ -637,7 +637,8 @@
           if (lookup->holder() != *global) return;
           JSGlobalPropertyCell* cell =
               JSGlobalPropertyCell::cast(global->GetPropertyCell(lookup));
-          code = StubCache::ComputeLoadGlobal(*name, *global, cell);
+          code = StubCache::ComputeLoadGlobal(*name, *global,
+                                              cell, lookup->IsDontDelete());
         } else {
           // There is only one shared stub for loading normalized
           // properties. It does not traverse the prototype chain, so the