Perhaps `isSquare` doesn't get inlined because the node count is > 2000?

[LandonTClipp]

https://landontclipp.github.io/blog/2023/08/25/profile-guided-optimizations-in-go/#viewing-the-assembly

Just realized maybe it's doing this because the cumulative node count is > 2000, so even though isSquare is eligible for inlining, the compiler decides not to because of the other inlined functions?