Ensure that we don't cause *new* hard errors if we suddenly can evaluate more constants during const prop
Ensure that we don't cause *new* hard errors if we suddenly can evaluate more constants during const prop

graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust