In the particular linked case of protobuf parsing, a loop with goto's doesn't produce very well optimized code because of specific internal details about how mo

In the particular linked case of protobuf parsing, a loop with goto's doesn't produce very well optimized code because of specific internal details about how modern C compilers do optimizations. You could certainly imagine a compiler that can fully optimize a go-to heavy program, in which case the code cleanliness argument would be the only reason.