[Interpreter] Add support for property load operations.

src/compiler/interpreter-assembler.h

Index: src/compiler/interpreter-assembler.h
diff --git a/src/compiler/interpreter-assembler.h b/src/compiler/interpreter-assembler.h
index bb771eb2163f9323826ecc7e930640ba27e391fc..2541d2607085c0b5247b01dc1bed8a7d05eae415 100644
--- a/src/compiler/interpreter-assembler.h
+++ b/src/compiler/interpreter-assembler.h
@@ -16,6 +16,7 @@
 namespace v8 {
 namespace internal {
 
+class CallInterfaceDescriptor;
 class Isolate;
 class Zone;
 
@@ -76,6 +77,13 @@ class InterpreterAssembler {
   // Load |slot_index| from the current context.
   Node* LoadContextSlot(int slot_index);
 
+  // Load the TypeFeedbackVector for the current function.
+  Node* LoadTypeFeedbackVector();
+
+  // Call an IC code stub.
+  Node* CallIC(CallInterfaceDescriptor descriptor, Node* target, Node* arg1,
+               Node* arg2, Node* arg3, Node* arg4);
+
   // Call JS builtin.
   Node* CallJSBuiltin(int context_index, Node* receiver);
   Node* CallJSBuiltin(int context_index, Node* receiver, Node* arg1);