Add support for hydrogen control instructions with >2 successor blocks.

src/utils.h

 // Copyright 2011 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 775 matching lines @@
 };
 
 template <class Dest, class Source>
 INLINE(Dest BitCast(const Source& source));
 
 template <class Dest, class Source>
 inline Dest BitCast(const Source& source) {
   return BitCastHelper<Dest, Source>::cast(source);
 }
 
+
+template<typename ElementType, int NumElements>
+class EmbeddedContainer {
+ public:
+  EmbeddedContainer() : elems_() { }
+
+  int length() { return NumElements; }
+  ElementType& operator[](int i) {
+    ASSERT(i < length());
+    return elems_[i];
+  }
+
+ private:
+  ElementType elems_[NumElements];
+};
+
+
+template<typename ElementType>
+class EmbeddedContainer<ElementType, 0> {
+ public:
+  int length() { return 0; }
+  ElementType& operator[](int i) {
+    UNREACHABLE();
+    static ElementType t = 0;
+    return t;
+  }
+};
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_UTILS_H_