Rollup merge of #69430 - matthiaskrgr:noloop, r=varkor
Rollup merge of #69430 - matthiaskrgr:noloop, r=varkor

librustc_typeck: remove loop that never actually loops

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