Add a stub_code_space in the heap alongside code_space so that stub code generation happens here an…

vm/object.h

Index: vm/object.h
===================================================================
--- vm/object.h	(revision 6972)
+++ vm/object.h	(working copy)
@@ -1942,7 +1942,7 @@
   // only be created using the Code::FinalizeCode method. This method creates
   // the RawInstruction and RawCode objects, sets up the pointer offsets
   // and links the two in a GC safe manner.
-  static RawInstructions* New(intptr_t size);
+  static RawInstructions* New(intptr_t size, Heap::Space space);
 
   HEAP_OBJECT_IMPLEMENTATION(Instructions, Object);
   friend class Code;
@@ -2248,6 +2248,7 @@
         sizeof(RawCode) + (pointer_offsets_length * kEntrySize));
   }
   static RawCode* FinalizeCode(const char* name, Assembler* assembler);
+  static RawCode* FinalizeStubCode(const char* name, Assembler* assembler);
 
   int32_t GetPointerOffsetAt(int index) const {
     return *PointerOffsetAddrAt(index);
@@ -2295,6 +2296,10 @@
   // and links the two in a GC safe manner.
   static RawCode* New(int pointer_offsets_length);
 
+  static RawCode* FinalizeCode(const char* name,
+                               Assembler* assembler,
+                               Heap::Space space);
+
   HEAP_OBJECT_IMPLEMENTATION(Code, Object);
   friend class Class;
 };