Re-landing of "replace TrySync with Metadata".

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 4059f6beefb88fbfd5ef09c20506422ac25e8569..5c7d44364422df655e95d07dd041dfa0a45f7568 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -14007,6 +14007,17 @@ void Code::set_stackmaps(const Array& maps) const {
 }
 
 
+#if !defined(DART_PRECOMPILED_RUNTIME) && !defined(DART_PRECOMPILER)
+void Code::set_variables(const Smi& smi) const {
+  StorePointer(&raw_ptr()->catch_entry_.variables_, smi.raw());
+}
+#else
+void Code::set_catch_entry_state_maps(const TypedData& maps) const {
+  StorePointer(&raw_ptr()->catch_entry_.catch_entry_state_maps_, maps.raw());
+}
+#endif
+
+
 void Code::set_deopt_info_array(const Array& array) const {
 #if defined(DART_PRECOMPILED_RUNTIME)
   UNREACHABLE();