VM: New calling convention for generated code.

runtime/vm/raw_object_snapshot.cc

Index: runtime/vm/raw_object_snapshot.cc
diff --git a/runtime/vm/raw_object_snapshot.cc b/runtime/vm/raw_object_snapshot.cc
index 13791de86ce08e556787214d9f9775b80492b2a0..f9c71333be68a0bddd928a28d7d56f7cd053400d 100644
--- a/runtime/vm/raw_object_snapshot.cc
+++ b/runtime/vm/raw_object_snapshot.cc
@@ -681,7 +681,7 @@ void RawFunction::WriteTo(SnapshotWriter* writer,
   // Write out all the non object fields.
   writer->Write<int32_t>(ptr()->token_pos_);
   writer->Write<int32_t>(ptr()->end_token_pos_);
-  if (Code::IsOptimized(ptr()->instructions_->ptr()->code_)) {
+  if (Code::IsOptimized(ptr()->code_)) {
     writer->Write<int32_t>(FLAG_optimization_counter_threshold);
   } else {
     writer->Write<int32_t>(0);
@@ -1151,8 +1151,6 @@ RawCode* Code::ReadFrom(SnapshotReader* reader,
 
   result.set_compile_timestamp(reader->Read<int64_t>());
   result.set_state_bits(reader->Read<int32_t>());
-  result.set_entry_patch_pc_offset(reader->Read<int32_t>());
-  result.set_patch_code_pc_offset(reader->Read<int32_t>());
   result.set_lazy_deopt_pc_offset(reader->Read<int32_t>());
 
   // Set all the object fields.
@@ -1189,8 +1187,6 @@ void RawCode::WriteTo(SnapshotWriter* writer,
   // Write out all the non object fields.
   writer->Write<int64_t>(ptr()->compile_timestamp_);
   writer->Write<int32_t>(ptr()->state_bits_);
-  writer->Write<int32_t>(ptr()->entry_patch_pc_offset_);
-  writer->Write<int32_t>(ptr()->patch_code_pc_offset_);
   writer->Write<int32_t>(ptr()->lazy_deopt_pc_offset_);
 
   // Write out all the object pointer fields.
@@ -1247,12 +1243,6 @@ void RawInstructions::WriteTo(SnapshotWriter* writer,
   ptr()->tags_ = object_tags;
   writer->Write<int32_t>(writer->GetInstructionsId(this));
   ptr()->tags_ = snapshot_tags;
-
-  {
-    // TODO(rmacnak): Drop after calling convention change.
-    writer->WriteObjectImpl(ptr()->code_, kAsReference);
-    writer->WriteObjectImpl(ptr()->object_pool_, kAsReference);
-  }
 }