In code comments print also deopt reason for deoptimization stubs.

runtime/vm/flow_graph_compiler_x64.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/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 139 matching lines @@
   return builder->CreateDeoptInfo(deopt_table);
 }
 
 
 void CompilerDeoptInfoWithStub::GenerateCode(FlowGraphCompiler* compiler,
                                              intptr_t stub_ix) {
   // Calls do not need stubs, they share a deoptimization trampoline.
   ASSERT(reason() != ICData::kDeoptAtCall);
   Assembler* assem = compiler->assembler();
 #define __ assem->
-  __ Comment("Deopt stub for id %" Pd "", deopt_id());
+  __ Comment("%s", Name());
   __ Bind(entry_label());
   if (FLAG_trap_on_deoptimization) {
     __ int3();
   }
 
   ASSERT(deopt_env() != NULL);
 
   StubCode* stub_code = compiler->isolate()->stub_code();
   __ Call(&stub_code->DeoptimizeLabel(), PP);
   set_pc_offset(assem->CodeSize());
@@ skipping 1555 matching lines @@
   __ movups(reg, Address(RSP, 0));
   __ AddImmediate(RSP, Immediate(kFpuRegisterSize), PP);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64