/// For all of the arithmetic operators provided here any invalid state is
/// perpetuated and cannot be removed. Once a cost becomes invalid it stays
/// invalid, and it also inherits any invalid state from the RHS. Regardless
- /// of the state, arithmetic and comparisons work on the actual values in the
- /// same way as they would on a basic type, such as integer.
+ /// of the state, arithmetic work on the actual values in the same way as they
+ /// would on a basic type, such as integer.
InstructionCost &operator+=(const InstructionCost &RHS) {
propagateState(RHS);