[Interpreter] Support for operator new.

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index b08e841978daf38a355b4f301e27092df6aa43ae..04d8e508b598235ca4ef70c8614156ddafdca0fc 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -71,6 +71,7 @@ class PlatformInterfaceDescriptor;
   V(MathRoundVariantCallFromUnoptimizedCode)  \
   V(MathRoundVariantCallFromOptimizedCode)    \
   V(InterpreterPushArgsAndCall)               \
+  V(InterpreterPushArgsAndConstruct)          \
   V(InterpreterCEntry)
 
 
@@ -716,6 +717,14 @@ class InterpreterPushArgsAndCallDescriptor : public CallInterfaceDescriptor {
 };
 
 
+class InterpreterPushArgsAndConstructDescriptor
+    : public CallInterfaceDescriptor {
+ public:
+  DECLARE_DESCRIPTOR(InterpreterPushArgsAndConstructDescriptor,
+                     CallInterfaceDescriptor)
+};
+
+
 class InterpreterCEntryDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(InterpreterCEntryDescriptor, CallInterfaceDescriptor)