Allow setting breakpoints in function literal field initializers under --dfe.

runtime/vm/object.h

 // 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.
 
 #ifndef RUNTIME_VM_OBJECT_H_
 #define RUNTIME_VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3577 matching lines @@
   intptr_t col_offset() const { return raw_ptr()->col_offset_; }
 
   // The load time in milliseconds since epoch.
   int64_t load_timestamp() const { return raw_ptr()->load_timestamp_; }
 
   RawArray* compile_time_constants() const {
     return raw_ptr()->compile_time_constants_;
   }
   void set_compile_time_constants(const Array& value) const;
 
-  const uint8_t* kernel_data() { return raw_ptr()->kernel_data_; }
+  const uint8_t* kernel_data() const { return raw_ptr()->kernel_data_; }
   void set_kernel_data(const uint8_t* kernel_data) const;
 
-  intptr_t kernel_data_size() { return raw_ptr()->kernel_data_size_; }
+  intptr_t kernel_data_size() const { return raw_ptr()->kernel_data_size_; }
   void set_kernel_data_size(const intptr_t kernel_data_size) const;
 
   intptr_t kernel_script_index() { return raw_ptr()->kernel_script_index_; }
   void set_kernel_script_index(const intptr_t kernel_script_index) const;
 
   RawTypedData* kernel_string_offsets() const {
     return raw_ptr()->kernel_string_offsets_;
   }
   void set_kernel_string_offsets(const TypedData& offsets) const;
 
@@ skipping 5301 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_H_