Rollup merge of #34807 - sanxiyn:dump-mir, r=nagisa
Rollup merge of #34807 - sanxiyn:dump-mir, r=nagisa

Remove extra newlines in MIR dump

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