[Interpreter] Consistency fixes.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index 4f9127f67cfdc23656462b97f5403055228da336..44bd03d9953fb618f17ee18096f15492ac129795 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -90,15 +90,18 @@ class Bytecodes {
   // Return the i-th operand of |bytecode|.
   static OperandType GetOperandType(Bytecode bytecode, int i);
 
-  // Returns the size of the bytecode including its arguments.
+  // Returns the size of the bytecode including its operands.
   static int Size(Bytecode bytecode);
 
   // The maximum number of operands across all bytecodes.
   static int MaximumNumberOfOperands();
 
-  // Maximum size of a bytecode and its arguments.
+  // Maximum size of a bytecode and its operands.
   static int MaximumSize();
 
+  // Decode a single bytecode and operands to |os|.
+  static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start);
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Bytecodes);
 };