> with an uint8_t local variable and size_t return value, an earlier optimisation removes the cast to uint8_t, because it only has an effect when undefined behaviour has been triggered
In this case, there is no undefined behaviour, because a narrowing cast to an unsigned type is well-defined. So, this could never have been a good explanation.
> with an uint8_t local variable and size_t return value, an earlier optimisation removes the cast to uint8_t, because it only has an effect when undefined behaviour has been triggered
In this case, there is no undefined behaviour, because a narrowing cast to an unsigned type is well-defined. So, this could never have been a good explanation.