Refactor snapshots pieces to include a section for loading instructions into the heap of a regular …

runtime/vm/precompiler.cc

Index: runtime/vm/precompiler.cc
diff --git a/runtime/vm/precompiler.cc b/runtime/vm/precompiler.cc
index 738ab2d58cbb7b43d3d74d170483db1e87256057..77c3b83973b2f239654eb97eda2adaa6f7a18022 100644
--- a/runtime/vm/precompiler.cc
+++ b/runtime/vm/precompiler.cc
@@ -1187,7 +1187,7 @@ void Precompiler::AddField(const Field& field) {
         if (FLAG_trace_precompiler) {
           THR_Print("Precompiling initializer for %s\n", field.ToCString());
         }
-        ASSERT(Dart::snapshot_kind() != Snapshot::kAppAOT);
+        ASSERT(Dart::vm_snapshot_kind() != Snapshot::kAppAOT);
         const Function& initializer = Function::Handle(
             Z, CompileStaticInitializer(field, /* compute_type = */ true));
         ASSERT(!initializer.IsNull());