[Interpreter] Add support for property store operations.

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index d4e1c34e540a2d67a22c19d61c7372c78dbf6cfb..ebcb18017e8bf4d1f6da09498ed584a94a48b37f 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -35,6 +35,9 @@ class BytecodeArrayBuilder {
   void set_locals_count(int number_of_locals);
   int locals_count() const;
 
+  // Returns true if the bytecode has an explicit return at the end.
+  bool HasExplicitReturn();
+
   Register Parameter(int parameter_index);
 
   // Constant loads to accumulator.
@@ -56,6 +59,14 @@ class BytecodeArrayBuilder {
   BytecodeArrayBuilder& LoadKeyedProperty(Register object, int feedback_slot,
                                           LanguageMode language_mode);
 
+  // Store properties. The value to be stored should be in the accumulator.
+  BytecodeArrayBuilder& StoreNamedProperty(Register object, Register name,
+                                           int feedback_slot,
+                                           LanguageMode language_mode);
+  BytecodeArrayBuilder& StoreKeyedProperty(Register object, Register key,
+                                           int feedback_slot,
+                                           LanguageMode language_mode);
+
   // Operators.
   BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg);