[Interpreter] Add function 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 70342079e0ffcb4838fe7130ee383eb0252ffa66..6ba21966ef0158ce03e6f76b9ac85be5cad3df08 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -354,6 +354,14 @@ BytecodeArrayBuilder& BytecodeArrayBuilder::PopContext(Register context) {
 }
 
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::CreateClosure(
+    PretenureFlag tenured) {
+  DCHECK(FitsInImm8Operand(tenured));
+  Output(Bytecode::kCreateClosure, static_cast<uint8_t>(tenured));
+  return *this;
+}
+
+
 BytecodeArrayBuilder& BytecodeArrayBuilder::CastAccumulatorToBoolean() {
   if (LastBytecodeInSameBlock()) {
     // If the previous bytecode puts a boolean in the accumulator