Do not emit duplicate deoptimization entries for GotoInstr.

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
@@ skipping 1437 matching lines @@
 }
 
 
 LocationSummary* JoinEntryInstr::MakeLocationSummary() const {
   UNREACHABLE();
   return NULL;
 }
 
 
 void JoinEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  __ Bind(compiler->GetJumpLabel(this));
   if (!compiler->is_optimizing()) {
     compiler->AddCurrentDescriptor(PcDescriptors::kDeopt,
                                    deopt_id_,
                                    Scanner::kDummyTokenIndex);
   }
-  __ Bind(compiler->GetJumpLabel(this));
   if (HasParallelMove()) {
     compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
   }
 }
 
 
 LocationSummary* TargetEntryInstr::MakeLocationSummary() const {
   UNREACHABLE();
   return NULL;
 }
 
 
 void TargetEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  __ Bind(compiler->GetJumpLabel(this));
   if (!compiler->is_optimizing()) {
     compiler->AddCurrentDescriptor(PcDescriptors::kDeopt,
                                    deopt_id_,
                                    Scanner::kDummyTokenIndex);
   }
-  __ Bind(compiler->GetJumpLabel(this));
   if (HasParallelMove()) {
     compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
   }
 }
 
 
 LocationSummary* CatchBlockEntryInstr::MakeLocationSummary() const {
   UNREACHABLE();
   return NULL;
 }
@@ skipping 981 matching lines @@
     default:
       UNREACHABLE();
   }
   return kPowRuntimeEntry;
 }
 
 
 #undef __
 
 }  // namespace dart