Fix class patching involving type parameters: type parameters of patched classes

runtime/vm/snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
+#include "vm/class_finalizer.h"
 #include "vm/exceptions.h"
 #include "vm/heap.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
@@ skipping 920 matching lines @@
   }
   UNREACHABLE();
 }
 
 
 void FullSnapshotWriter::WriteFullSnapshot() {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate != NULL);
   ObjectStore* object_store = isolate->object_store();
   ASSERT(object_store != NULL);
+  ASSERT(ClassFinalizer::AllClassesFinalized());
 
   // Setup for long jump in case there is an exception while writing
   // the snapshot.
   LongJump* base = isolate->long_jump_base();
   LongJump jump;
   isolate->set_long_jump_base(&jump);
   // TODO(6726): Allocate these constant strings once in the VM isolate.
   *ErrorHandle() = LanguageError::New(
       String::Handle(String::New("Error while writing full snapshot")));
   if (setjmp(*jump.Set()) == 0) {
@@ skipping 352 matching lines @@
     UnmarkAll();
     isolate->set_long_jump_base(base);
   } else {
     isolate->set_long_jump_base(base);
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart