[Interpreter] Add implementations of arithmetic binary op bytecodes.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index aead34770c6516c1d98bc2fc2fd51d3e71b2dfc2..72af0c4f5389c935856f2e37b9dd60ea939247b5 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -41,7 +41,8 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
   builder.BinaryOperation(Token::Value::ADD, reg)
       .BinaryOperation(Token::Value::SUB, reg)
       .BinaryOperation(Token::Value::MUL, reg)
-      .BinaryOperation(Token::Value::DIV, reg);
+      .BinaryOperation(Token::Value::DIV, reg)
+      .BinaryOperation(Token::Value::MOD, reg);
 
   // Emit control flow. Return must be the last instruction.
   builder.Return();