- Update runtime/third_party/double-conversion to version 1.1.5.

runtime/third_party/double-conversion/src/bignum.h

 // Copyright 2010 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 51 matching lines @@
   void MultiplyByPowerOfTen(int exponent);
   void Times10() { return MultiplyByUInt32(10); }
   // Pseudocode:
   //  int result = this / other;
   //  this = this % other;
   // In the worst case this function is in O(this/other).
   uint16_t DivideModuloIntBignum(const Bignum& other);
 
   bool ToHexString(char* buffer, int buffer_size) const;
 
+  // Returns
+  //  -1 if a < b,
+  //   0 if a == b, and
+  //  +1 if a > b.
   static int Compare(const Bignum& a, const Bignum& b);
   static bool Equal(const Bignum& a, const Bignum& b) {
     return Compare(a, b) == 0;
   }
   static bool LessEqual(const Bignum& a, const Bignum& b) {
     return Compare(a, b) <= 0;
   }
   static bool Less(const Bignum& a, const Bignum& b) {
     return Compare(a, b) < 0;
   }
@@ skipping 50 matching lines @@
   int used_digits_;
   // The Bignum's value equals value(bigits_) * 2^(exponent_ * kBigitSize).
   int exponent_;
 
   DISALLOW_COPY_AND_ASSIGN(Bignum);
 };
 
 }  // namespace double_conversion
 
 #endif  // DOUBLE_CONVERSION_BIGNUM_H_