Orthogonalize Lithium binary op instructions.

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 98cacacae10e295c115e2dc0310766675ef637a8..94b5e2a07a81673510021d0fcbacc36e3921314c 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -2119,7 +2119,7 @@ class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
   LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
-  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
+  DECLARE_HYDROGEN_ACCESSOR(Change)
 
   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
 };
@@ -2778,7 +2778,7 @@ 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_;