Rollup merge of #50961 - Zoxc:fix-filecheck, r=alexcrichton
Rollup merge of #50961 - Zoxc:fix-filecheck, r=alexcrichton

Fix FileCheck finding with MSVC

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