Separate size stats for rodata and instructions.

runtime/vm/clustered_snapshot.cc

Index: runtime/vm/clustered_snapshot.cc
diff --git a/runtime/vm/clustered_snapshot.cc b/runtime/vm/clustered_snapshot.cc
index 0601dae560a6c4ffd33d227a8668ee428fd8edc7..8ddbd397f94c85cf5edb02463140e5c8b4f6696e 100644
--- a/runtime/vm/clustered_snapshot.cc
+++ b/runtime/vm/clustered_snapshot.cc
@@ -4968,11 +4968,14 @@ void FullSnapshotWriter::WriteFullSnapshot() {
 
     OS::Print("VMIsolate(CodeSize): %" Pd "\n", VmIsolateSnapshotSize());
     OS::Print("Isolate(CodeSize): %" Pd "\n", IsolateSnapshotSize());
+    OS::Print("ReadOnlyData(CodeSize): %" Pd "\n",
+              instructions_writer_->data_size());
     OS::Print("Instructions(CodeSize): %" Pd "\n",
-              instructions_writer_->binary_size());
+              instructions_writer_->text_size());
     intptr_t total = VmIsolateSnapshotSize() +
                      IsolateSnapshotSize() +
-                     instructions_writer_->binary_size();
+                     instructions_writer_->data_size() +
+                     instructions_writer_->text_size();
     OS::Print("Total(CodeSize): %" Pd "\n", total);
   }
 }