Update output of `lint-type-overflow2.stderr` to reflect its output from `rustc -O`.
Update output of `lint-type-overflow2.stderr` to reflect its output from `rustc -O`.

(The fact that output differs under `opt-level=0` is an instance of #55757.)

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