Correctify instanceof and make it optimizable.

src/mips64/lithium-codegen-mips64.h

Index: src/mips64/lithium-codegen-mips64.h
diff --git a/src/mips64/lithium-codegen-mips64.h b/src/mips64/lithium-codegen-mips64.h
index 6fb7bc3c85935c83f0fb32c49da0554b7f1785f6..420111b3cabb3fd0590ef857ad635a9b99d9cd4b 100644
--- a/src/mips64/lithium-codegen-mips64.h
+++ b/src/mips64/lithium-codegen-mips64.h
@@ -114,8 +114,6 @@ class LCodeGen: public LCodeGenBase {
   void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr);
   void DoDeferredStringCharFromCode(LStringCharFromCode* instr);
   void DoDeferredAllocate(LAllocate* instr);
-  void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
-                                       Label* map_check);
 
   void DoDeferredInstanceMigration(LCheckMaps* instr, Register object);
   void DoDeferredLoadMutableDouble(LLoadFieldByIndex* instr,
@@ -280,10 +278,11 @@ class LCodeGen: public LCodeGenBase {
                    Condition condition,
                    FPURegister src1,
                    FPURegister src2);
-  template<class InstrType>
-  void EmitFalseBranch(InstrType instr,
-                       Condition condition,
-                       Register src1,
+  template <class InstrType>
+  void EmitTrueBranch(InstrType instr, Condition condition, Register src1,
+                      const Operand& src2);
+  template <class InstrType>
+  void EmitFalseBranch(InstrType instr, Condition condition, Register src1,
                        const Operand& src2);
   template<class InstrType>
   void EmitFalseBranchF(InstrType instr,