mfbt/decimal/comparison-with-nan.patch

   1 diff --git a/mfbt/decimal/Decimal.cpp b/mfbt/decimal/Decimal.cpp
   2 --- a/mfbt/decimal/Decimal.cpp
   3 +++ b/mfbt/decimal/Decimal.cpp
   4 @@ -505,21 +505,25 @@ Decimal Decimal::operator/(const Decimal
   5      if (remainder > divisor / 2)
   6          ++result;
   7
   8      return Decimal(resultSign, resultExponent, result);
   9  }
  10
  11  bool Decimal::operator==(const Decimal& rhs) const
  12  {
  13 +    if (isNaN() || rhs.isNaN())
  14 +        return false;
  15      return m_data == rhs.m_data || compareTo(rhs).isZero();
  16  }
  17
  18  bool Decimal::operator!=(const Decimal& rhs) const
  19  {
  20 +    if (isNaN() || rhs.isNaN())
  21 +        return true;
  22      if (m_data == rhs.m_data)
  23          return false;
  24      const Decimal result = compareTo(rhs);
  25      if (result.isNaN())
  26          return false;
  27      return !result.isZero();
  28  }
  29
  30 @@ -528,16 +532,18 @@ bool Decimal::operator<(const Decimal& r
  31      const Decimal result = compareTo(rhs);
  32      if (result.isNaN())
  33          return false;
  34      return !result.isZero() && result.isNegative();
  35  }
  36
  37  bool Decimal::operator<=(const Decimal& rhs) const
  38  {
  39 +    if (isNaN() || rhs.isNaN())
  40 +        return false;
  41      if (m_data == rhs.m_data)
  42          return true;
  43      const Decimal result = compareTo(rhs);
  44      if (result.isNaN())
  45          return false;
  46      return result.isZero() || result.isNegative();
  47  }
  48
  49 @@ -546,16 +552,18 @@ bool Decimal::operator>(const Decimal& r
  50      const Decimal result = compareTo(rhs);
  51      if (result.isNaN())
  52          return false;
  53      return !result.isZero() && result.isPositive();
  54  }
  55
  56  bool Decimal::operator>=(const Decimal& rhs) const
  57  {
  58 +    if (isNaN() || rhs.isNaN())
  59 +        return false;
  60      if (m_data == rhs.m_data)
  61          return true;
  62      const Decimal result = compareTo(rhs);
  63      if (result.isNaN())
  64          return false;
  65      return result.isZero() || !result.isNegative();
  66  }
  67