Store arguments descriptor in ICData. Remove loading of arguments descriptor at unoptimized call si…

runtime/vm/object_test.cc

Index: runtime/vm/object_test.cc
===================================================================
--- runtime/vm/object_test.cc	(revision 24207)
+++ runtime/vm/object_test.cc	(working copy)
@@ -7,6 +7,7 @@
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
+#include "vm/dart_entry.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ -2495,13 +2496,16 @@
   const intptr_t id = 12;
   const intptr_t num_args_tested = 1;
   const String& target_name = String::Handle(String::New("Thun"));
+  const Array& args_descriptor =
+      Array::Handle(ArgumentsDescriptor::New(1, Object::null_array()));
   ICData& o1 = ICData::Handle();
-  o1 = ICData::New(function, target_name, id, num_args_tested);
+  o1 = ICData::New(function, target_name, args_descriptor, id, num_args_tested);
   EXPECT_EQ(1, o1.num_args_tested());
   EXPECT_EQ(id, o1.deopt_id());
   EXPECT_EQ(function.raw(), o1.function());
   EXPECT_EQ(0, o1.NumberOfChecks());
   EXPECT_EQ(target_name.raw(), o1.target_name());
+  EXPECT_EQ(args_descriptor.raw(), o1.arguments_descriptor());
 
   const Function& target1 = Function::Handle(GetDummyTarget("Thun"));
   o1.AddReceiverCheck(kSmiCid, target1);
@@ -2525,7 +2529,7 @@
   EXPECT_EQ(target2.raw(), test_target.raw());
 
   ICData& o2 = ICData::Handle();
-  o2 = ICData::New(function, target_name, 57, 2);
+  o2 = ICData::New(function, target_name, args_descriptor, 57, 2);
   EXPECT_EQ(2, o2.num_args_tested());
   EXPECT_EQ(57, o2.deopt_id());
   EXPECT_EQ(function.raw(), o2.function());