Consistenly handle power-of-2 divisors in division-like operations

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 5aedf46a9ba291be2cb446d6f41f35950dda20c3..da586d2b4681be28e3bc0b0304dddc18855a6f7d 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -3713,6 +3713,12 @@ class HBinaryOperation : public HTemplateInstruction<3> {
     set_operand_position(zone, 2, right_pos);
   }
 
+  bool RightIsPowerOf2() {
+    if (!right()->IsInteger32Constant()) return false;
+    int32_t value = right()->GetInteger32Constant();
+    return value != 0 && (IsPowerOf2(value) || IsPowerOf2(-value));
+  }
+
   DECLARE_ABSTRACT_INSTRUCTION(BinaryOperation)
 
  private:
@@ -4089,12 +4095,6 @@ class HArithmeticBinaryOperation : public HBinaryOperation {
     }
   }
 
-  bool RightIsPowerOf2() {
-    if (!right()->IsInteger32Constant()) return false;
-    int32_t value = right()->GetInteger32Constant();
-    return value != 0 && (IsPowerOf2(value) || IsPowerOf2(-value));
-  }
-
   DECLARE_ABSTRACT_INSTRUCTION(ArithmeticBinaryOperation)
 
  private: