[Interpreter] Add support for property load operations.

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 96c88466666ee0fe23ef877c89da1439bded629e..353ab1584cf5e6a69c6e48a798812ab2ac3c5786 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -39,6 +39,10 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
   Register reg(0);
   builder.LoadAccumulatorWithRegister(reg).StoreAccumulatorInRegister(reg);
 
+  // Emit load property operations.
+  builder.LoadNamedProperty(reg, 0, LanguageMode::SLOPPY);
+  builder.LoadKeyedProperty(reg, 0, LanguageMode::STRICT);
+
   // Emit binary operators invocations.
   builder.BinaryOperation(Token::Value::ADD, reg)
       .BinaryOperation(Token::Value::SUB, reg)