[Interpreter] Support for operator new.

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index 671c74b206ce8906f9b07325b050da449e84ea95..0f363c7637cecb7e121bf88d8365401abad3c393 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -276,6 +276,13 @@ Callable CodeFactory::InterpreterPushArgsAndCall(Isolate* isolate) {
 
 
 // static
+Callable CodeFactory::InterpreterPushArgsAndConstruct(Isolate* isolate) {
+  return Callable(isolate->builtins()->InterpreterPushArgsAndConstruct(),
+                  InterpreterPushArgsAndConstructDescriptor(isolate));
+}
+
+
+// static
 Callable CodeFactory::InterpreterCEntry(Isolate* isolate) {
   // TODO(rmcilroy): Deal with runtime functions that return two values.
   // Note: If we ever use fpregs in the interpreter then we will need to