[Interpreter] Adds Object literal support.

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index 1429ebad7c854c0dab0fa38b6450fd20f2ca88d6..5c7c9b37284858da19e60cc4c3b8857f04f7e528 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -374,6 +374,19 @@ BytecodeArrayBuilder& BytecodeArrayBuilder::CreateArrayLiteral(
 }
 
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::CreateObjectLiteral(
+    int literal_index, int flags) {
+  DCHECK(FitsInImm8Operand(flags));  // Flags should fit in 8 bytes.
+  if (FitsInIdx8Operand(literal_index)) {
+    Output(Bytecode::kCreateObjectLiteral, static_cast<uint8_t>(literal_index),
+           static_cast<uint8_t>(flags));
+  } else {
+    UNIMPLEMENTED();
+  }
+  return *this;
+}
+
+
 BytecodeArrayBuilder& BytecodeArrayBuilder::CreateClosure(
     PretenureFlag tenured) {
   DCHECK(FitsInImm8Operand(tenured));
@@ -413,6 +426,12 @@ BytecodeArrayBuilder& BytecodeArrayBuilder::CastAccumulatorToBoolean() {
 }
 
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::CastAccumulatorToName() {
+  Output(Bytecode::kToName);
+  return *this;
+}
+
+
 BytecodeArrayBuilder& BytecodeArrayBuilder::Bind(BytecodeLabel* label) {
   if (label->is_forward_target()) {
     // An earlier jump instruction refers to this label. Update it's location.