ARM: Implement DoIsObject and DoIsObjectAndBranch in the lithium code generator..

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 1cf9898f6c4090696810a15b82ba81c2bd35906e..9ffdc036c9f82175d2626689efd96e90860ec599 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -708,15 +708,9 @@ class LIsNullAndBranch: public LIsNull {
 
 class LIsObject: public LUnaryOperation {
  public:
-  LIsObject(LOperand* value, LOperand* temp)
-      : LUnaryOperation(value), temp_(temp) {}
+  explicit LIsObject(LOperand* value) : LUnaryOperation(value) { }
 
   DECLARE_CONCRETE_INSTRUCTION(IsObject, "is-object")
-
-  LOperand* temp() const { return temp_; }
-
- private:
-  LOperand* temp_;
 };
 
 
@@ -724,11 +718,10 @@ class LIsObjectAndBranch: public LIsObject {
  public:
   LIsObjectAndBranch(LOperand* value,
                      LOperand* temp,
-                     LOperand* temp2,
                      int true_block_id,
                      int false_block_id)
-      : LIsObject(value, temp),
-        temp2_(temp2),
+      : LIsObject(value),
+        temp_(temp),
         true_block_id_(true_block_id),
         false_block_id_(false_block_id) { }
 
@@ -739,10 +732,10 @@ class LIsObjectAndBranch: public LIsObject {
   int true_block_id() const { return true_block_id_; }
   int false_block_id() const { return false_block_id_; }
 
-  LOperand* temp2() const { return temp2_; }
+  LOperand* temp() const { return temp_; }
 
  private:
-  LOperand* temp2_;
+  LOperand* temp_;
   int true_block_id_;
   int false_block_id_;
 };