Re-landing of "replace TrySync with Metadata".

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 4690 matching lines @@
   RawArray* deopt_info_array() const {
 #if defined(DART_PRECOMPILED_RUNTIME)
     UNREACHABLE();
     return NULL;
 #else
     return raw_ptr()->deopt_info_array_;
 #endif
   }
   void set_deopt_info_array(const Array& array) const;
 
+#if !defined(DART_PRECOMPILED_RUNTIME) && !defined(DART_PRECOMPILER)
+  RawSmi* variables() const { return raw_ptr()->catch_entry_.variables_; }
+  void set_variables(const Smi& smi) const;
+#else
+  RawTypedData* catch_entry_state_maps() const {
+    return raw_ptr()->catch_entry_.catch_entry_state_maps_;
+  }
+  void set_catch_entry_state_maps(const TypedData& maps) const;
+#endif
+
   RawArray* stackmaps() const { return raw_ptr()->stackmaps_; }
   void set_stackmaps(const Array& maps) const;
   RawStackMap* GetStackMap(uint32_t pc_offset,
                            Array* stackmaps,
                            StackMap* map) const;
 
   enum {
     kSCallTableOffsetEntry = 0,
     kSCallTableFunctionEntry = 1,
     kSCallTableCodeEntry = 2,
@@ skipping 4202 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_