Merge patches to 3.7 to make MIPS work.

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
===================================================================
--- src/mips/lithium-codegen-mips.h	(revision 10218)
+++ src/mips/lithium-codegen-mips.h	(working copy)
@@ -316,6 +316,13 @@
                                        Handle<Map> type,
                                        Handle<String> name);
 
+  // Emits optimized code to deep-copy the contents of statically known
+  // object graphs (e.g. object literal boilerplate).
+  void EmitDeepCopy(Handle<JSObject> object,
+                    Register result,
+                    Register source,
+                    int* offset);
+
   struct JumpTableEntry {
     explicit inline JumpTableEntry(Address entry)
         : label(),