Fix Windows build.

src/hydrogen-gvn.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 namespace internal {
 
 // This class extends GVNFlagSet with additional "special" dynamic side effects,
 // which can be used to represent side effects that cannot be expressed using
 // the GVNFlags of an HInstruction. These special side effects are tracked by a
 // SideEffectsTracker (see below).
 class SideEffects V8_FINAL {
  public:
   static const int kNumberOfSpecials = 64 - kNumberOfFlags;
 
-  SideEffects() : bits_(0) {}
+  SideEffects() : bits_(0) {
+    ASSERT(kNumberOfFlags + kNumberOfSpecials == sizeof(bits_) * CHAR_BIT);
+  }
   explicit SideEffects(GVNFlagSet flags) : bits_(flags.ToIntegral()) {}
   bool IsEmpty() const { return bits_ == 0; }
   bool ContainsFlag(GVNFlag flag) const {
     return (bits_ & MaskFlag(flag)) != 0;
   }
   bool ContainsSpecial(int special) const {
     return (bits_ & MaskSpecial(special)) != 0;
   }
   bool ContainsAnyOf(SideEffects set) const { return (bits_ & set.bits_) != 0; }
   void Add(SideEffects set) { bits_ |= set.bits_; }
   void AddSpecial(int special) { bits_ |= MaskSpecial(special); }
   void AddAllSpecial() { bits_ |= ~static_cast<uint64_t>(0) << kNumberOfFlags; }
   void RemoveFlag(GVNFlag flag) { bits_ &= ~MaskFlag(flag); }
   void RemoveAll() { bits_ = 0; }
   uint64_t ToIntegral() const { return bits_; }
   void PrintTo(StringStream* stream) const;
 
  private:
   uint64_t MaskFlag(GVNFlag flag) const {
     return static_cast<uint64_t>(1) << static_cast<unsigned>(flag);
   }
   uint64_t MaskSpecial(int special) const {
     ASSERT(special >= 0);
     ASSERT(special < kNumberOfSpecials);
     return static_cast<uint64_t>(1) << static_cast<unsigned>(
         special + kNumberOfFlags);
   }
 
   uint64_t bits_;
-  STATIC_ASSERT(kNumberOfFlags + kNumberOfSpecials == sizeof(bits_) * CHAR_BIT);
 };
 
 
 // Tracks inobject field loads/stores in a fine grained fashion, and represents
 // them using the "special" dynamic side effects of the SideEffects class (see
 // above). This way unrelated inobject field stores don't prevent hoisting and
 // merging of inobject field loads.
 class SideEffectsTracker V8_FINAL BASE_EMBEDDED {
  public:
   SideEffectsTracker() : num_inobject_fields_(0) {}
@@ skipping 41 matching lines @@
   // Used when collecting side effects on paths from dominator to
   // dominated.
   BitVector visited_on_paths_;
 
   DISALLOW_COPY_AND_ASSIGN(HGlobalValueNumberingPhase);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_GVN_H_