Move all the isolate reload code under !defined(DART_PRECOMPILED_RUNTIME)

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 04c4e6824dc5cc8a75cef79673ad47d4fa45a660..def3345a3f7036408b6c0e20d4988792403f90bb 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -11024,7 +11024,7 @@ void Library::AllocatePrivateKey() const {
   Zone* zone = thread->zone();
   Isolate* isolate = thread->isolate();
 
-#if !defined(PRODUCT)
+#if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
   if (FLAG_support_reload && isolate->IsReloading()) {
     // When reloading, we need to make sure we use the original private key
     // if this library previously existed.
@@ -11036,7 +11036,7 @@ void Library::AllocatePrivateKey() const {
       return;
     }
   }
-#endif  // !defined(PRODUCT)
+#endif  // !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
 
   // Format of the private key is: "@<sequence number><6 digits of hash>
   const intptr_t hash_mask = 0x7FFFF;