IR cleanup: pass deopt id as constructor argument instead of doing deopt_id_ assignment.

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/class_finalizer.h"
@@ skipping 1436 matching lines @@
   Value* instantiator = NULL;
   Value* instantiator_type_arguments = NULL;
   if (dst_type.IsInstantiated()) {
     instantiator = BuildNullValue();
     instantiator_type_arguments = BuildNullValue();
   } else {
     BuildTypecheckArguments(token_pos,
                             &instantiator,
                             &instantiator_type_arguments);
   }
+
+  const intptr_t deopt_id = Isolate::Current()->GetNextDeoptId();
   return new(I) AssertAssignableInstr(token_pos,
                                       value,
                                       instantiator,
                                       instantiator_type_arguments,
                                       dst_type,
-                                      dst_name);
+                                      dst_name,
+                                      deopt_id);
 }
 
 
 void EffectGraphVisitor::BuildAwaitJump(LocalVariable* old_context,
                                         LocalVariable* continuation_result,
                                         LocalVariable* continuation_error,
                                         const intptr_t old_ctx_level,
                                         JoinEntryInstr* target) {
   // Building a jump consists of the following actions:
   // * Record the current continuation result in a temporary.
@@ skipping 2815 matching lines @@
   Report::MessageF(Report::kBailout,
                    Script::Handle(function.script()),
                    function.token_pos(),
                    "FlowGraphBuilder Bailout: %s %s",
                    String::Handle(function.name()).ToCString(),
                    reason);
   UNREACHABLE();
 }
 
 }  // namespace dart