Orthogonalize Lithium binary op instructions.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index b3d08c8a4c08f9f07996439a63660840e9015a34..8496deb081069cc3e2b4724281e6885069027c16 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -2049,7 +2049,7 @@ class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 1> {
   LOperand* temp() { return temps_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
+  DECLARE_HYDROGEN_ACCESSOR(Change)
 
   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
 };
@@ -2701,7 +2701,7 @@ class LChunkBuilder V8_FINAL BASE_EMBEDDED {
   LInstruction* DoArithmeticD(Token::Value op,
                               HArithmeticBinaryOperation* instr);
   LInstruction* DoArithmeticT(Token::Value op,
-                              HArithmeticBinaryOperation* instr);
+                              HBinaryOperation* instr);
 
   LPlatformChunk* chunk_;
   CompilationInfo* info_;