Compile fixes for ARM and miscellaneous spolling.

src/serialize.h

Index: src/serialize.h
===================================================================
--- src/serialize.h	(revision 2851)
+++ src/serialize.h	(working copy)
@@ -197,7 +197,7 @@
 
   int flags_end_;  // The position right after the flags.
 
-  // An array of per-space SimulatedHeapSpacees used as memory allocators.
+  // An array of per-space SimulatedHeapSpaces used as memory allocators.
   SimulatedHeapSpace* allocator_[LAST_SPACE+1];
   // A list of global handles at serialization time.
   List<Object**> global_handles_;