Fix GCC 4.4.4 build...

src/heap.h

Index: src/heap.h
===================================================================
--- src/heap.h	(revision 5170)
+++ src/heap.h	(working copy)
@@ -1195,12 +1195,12 @@
   static bool CreateInitialMaps();
   static bool CreateInitialObjects();
 
-  // These four Create*EntryStub functions are here because of a gcc-4.4 bug
-  // that assigns wrong vtable entries.
-  static void CreateCEntryStub();
-  static void CreateJSEntryStub();
-  static void CreateJSConstructEntryStub();
-  static void CreateRegExpCEntryStub();
+  // These four Create*EntryStub functions are here and forced to not be inlined
+  // because of a gcc-4.4 bug that assigns wrong vtable entries.
+  NO_INLINE(static void CreateCEntryStub());
+  NO_INLINE(static void CreateJSEntryStub());
+  NO_INLINE(static void CreateJSConstructEntryStub());
+  NO_INLINE(static void CreateRegExpCEntryStub());
 
   static void CreateFixedStubs();