Added LoadIC stub for getters.

src/x64/stub-cache-x64.cc

Index: src/x64/stub-cache-x64.cc
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc
index a0a53862f7533d6be5d336e5e7cbf04ca32e3365..e899997e68bfeef595db27a861f919ac6af98fa6 100644
--- a/src/x64/stub-cache-x64.cc
+++ b/src/x64/stub-cache-x64.cc
@@ -2698,6 +2698,43 @@ Handle<Code> LoadStubCompiler::CompileLoadCallback(
 }
 
 
+Handle<Code> LoadStubCompiler::CompileLoadViaGetter(
+    Handle<String> name,
+    Handle<JSObject> receiver,
+    Handle<JSObject> holder,
+    Handle<JSFunction> getter) {
+  // ----------- S t a t e -------------
+  //  -- rax    : receiver
+  //  -- rcx    : name
+  //  -- rsp[0] : return address
+  // -----------------------------------
+  Label miss;
+
+  // Check that the maps haven't changed.
+  __ JumpIfSmi(rax, &miss);
+  CheckPrototypes(receiver, rax, holder, rbx, rdx, rdi, name, &miss);
+
+  {
+    FrameScope scope(masm(), StackFrame::INTERNAL);
+
+    // Call the JavaScript getter with the receiver on the stack.
+    __ push(rax);
+    __ InvokeFunction(getter, ParameterCount(0), CALL_FUNCTION,
+                      NullCallWrapper(), CALL_AS_METHOD);
+
+    // Restore context register.
+    __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  }
+  __ ret(0);
+
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
 Handle<Code> LoadStubCompiler::CompileLoadConstant(Handle<JSObject> object,
                                                    Handle<JSObject> holder,
                                                    Handle<JSFunction> value,