Unbox phis that were proven to be of type Double.

runtime/vm/code_generator.h

 // 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.
 
 #ifndef VM_CODE_GENERATOR_H_
 #define VM_CODE_GENERATOR_H_
 
 #include "vm/globals.h"
 #include "vm/runtime_entry.h"
 
@@ skipping 24 matching lines @@
 DECLARE_RUNTIME_ENTRY(PatchStaticCall);
 DECLARE_RUNTIME_ENTRY(ReportObjectNotClosure);
 DECLARE_RUNTIME_ENTRY(ResolveCompileInstanceFunction);
 DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureFunction);
 DECLARE_RUNTIME_ENTRY(ResolveImplicitClosureThroughGetter);
 DECLARE_RUNTIME_ENTRY(ReThrow);
 DECLARE_RUNTIME_ENTRY(StackOverflow);
 DECLARE_RUNTIME_ENTRY(Throw);
 DECLARE_RUNTIME_ENTRY(TraceFunctionEntry);
 DECLARE_RUNTIME_ENTRY(TraceFunctionExit);
+DECLARE_RUNTIME_ENTRY(DeoptimizeMaterializeDoubles);
 
 #define DEOPT_REASONS(V)                                                       \
   V(DeoptUnknown)                                                              \
   V(DeoptIncrLocal)                                                            \
   V(DeoptIncrInstance)                                                         \
   V(DeoptIncrInstanceOneClass)                                                 \
   V(DeoptInstanceGetterSameTarget)                                             \
   V(DeoptInstanceGetter)                                                       \
   V(DeoptStoreIndexed)                                                         \
   V(DeoptStoreIndexedPolymorphic)                                              \
@@ skipping 32 matching lines @@
 #undef DEFINE_ENUM_LIST
 };
 
 
 RawCode* ResolveCompileInstanceCallTarget(Isolate* isolate,
                                           const Instance& receiver);
 
 }  // namespace dart
 
 #endif  // VM_CODE_GENERATOR_H_