[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 d99d0db7569ac74830dd27f75dbf1fbefac15fbe..98fd507a6bb783185cd38456c6e5aff26e725f20 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -371,6 +371,19 @@ 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::PushContext(Register context) {
   Output(Bytecode::kPushContext, context.ToOperand());
   return *this;
@@ -414,6 +427,12 @@ 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.