Track which entries in the ObjectPool are native entries, and reset them when loading a precompiled…

runtime/vm/assembler_mips.h

Index: runtime/vm/assembler_mips.h
diff --git a/runtime/vm/assembler_mips.h b/runtime/vm/assembler_mips.h
index c9b4025d39ca52d8369e13d989e9743d5c8d47cb..2ae9456faf16196d1ac873ef13399822eee9b21e 100644
--- a/runtime/vm/assembler_mips.h
+++ b/runtime/vm/assembler_mips.h
@@ -1524,6 +1524,9 @@ class Assembler : public ValueObject {
   void LoadExternalLabel(Register rd,
                          const ExternalLabel* label,
                          Patchability patchable);
+  void LoadNativeEntry(Register rd,
+                       const ExternalLabel* label,
+                       Patchability patchable);
   void PushObject(const Object& object);
 
   void LoadIsolate(Register result);