Merge patches to 3.7 to make MIPS work.

src/mips/codegen-mips.h

Index: src/mips/codegen-mips.h
===================================================================
--- src/mips/codegen-mips.h	(revision 10218)
+++ src/mips/codegen-mips.h	(working copy)
@@ -75,6 +75,21 @@
 };
 
 
+class StringCharLoadGenerator : public AllStatic {
+ public:
+  // Generates the code for handling different string types and loading the
+  // indexed character into |result|.  We expect |index| as untagged input and
+  // |result| as untagged output.
+  static void Generate(MacroAssembler* masm,
+                       Register string,
+                       Register index,
+                       Register result,
+                       Label* call_runtime);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
+};
+
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_CODEGEN_MIPS_H_