Fix issue 20476: creating multiple LocalVariables with same name (finally_ret_val35), confuses the …

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 974 matching lines @@
 
 // <Statement> ::= Return { value:                <Expression>
 //                          inlined_finally_list: <InlinedFinally>* }
 void EffectGraphVisitor::VisitReturnNode(ReturnNode* node) {
   ValueGraphVisitor for_value(owner());
   node->value()->Visit(&for_value);
   Append(for_value);
   Value* return_value = for_value.value();
 
   if (node->inlined_finally_list_length() > 0) {
-    LocalVariable* temp = node->saved_return_value_var();
+    LocalVariable* temp = owner()->parsed_function()->finally_return_temp_var();
+    ASSERT(temp != NULL);
     Do(BuildStoreLocal(*temp, return_value));
     for (intptr_t i = 0; i < node->inlined_finally_list_length(); i++) {
       InlineBailout("EffectGraphVisitor::VisitReturnNode (exception)");
       EffectGraphVisitor for_effect(owner());
       node->InlinedFinallyNodeAt(i)->Visit(&for_effect);
       Append(for_effect);
       if (!is_open()) {
         return;
       }
     }
@@ skipping 2986 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