message: [NFC] Fix a typo in ScalarLimit comments.
diff: @@ -71,7 +71,7 @@ DenseElementsAttr GetScalarOfType(Type ty, int64_t raw_value);
  // Enum type used to specify scalar argument to GetScalarLimitOfType.
  enum ScalarLimit {
  kLowest, // The scalar corresponding to numeric_limits<T>::lowest.
  - kInfinityLowest, // Like kMax, but returns -infinity where available.
  + kInfinityLowest, // Like kLowest, but returns -infinity where available.
  kMax, // The scalar corresponding to numeric_limits<T>::max.
  kInfinityMax, // Like kMax, but returns infinity where available.
  };
  