Revert "Lazy deopt without code patching."

runtime/vm/clustered_snapshot.cc

 // Copyright (c) 2016, 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/clustered_snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
@@ skipping 1579 matching lines @@
       code->ptr()->static_calls_target_table_ = Array::null();
       code->ptr()->var_descriptors_ = LocalVarDescriptors::null();
       code->ptr()->inlined_metadata_ = Array::null();
       code->ptr()->code_source_map_ = CodeSourceMap::null();
       code->ptr()->comments_ = Array::null();
       code->ptr()->return_address_metadata_ = Object::null();
 
       code->ptr()->compile_timestamp_ = 0;
 #endif
       code->ptr()->state_bits_ = d->Read<int32_t>();
+#if !defined(DART_PRECOMPILED_RUNTIME)
+      code->ptr()->lazy_deopt_return_pc_offset_ = -1;
+      code->ptr()->lazy_deopt_throw_pc_offset_ = -1;
+#endif
     }
   }
 };
 
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 class ObjectPoolSerializationCluster : public SerializationCluster {
  public:
   ObjectPoolSerializationCluster() { }
   virtual ~ObjectPoolSerializationCluster() { }
@@ skipping 3596 matching lines @@
 
   deserializer.ReadVMSnapshot();
 
   Dart::set_instructions_snapshot_buffer(instructions_buffer_);
   Dart::set_data_snapshot_buffer(data_buffer_);
 
   return ApiError::null();
 }
 
 }  // namespace dart