Add a test for #26468
Add a test for #26468

The fix for #26468 was made upstream and landed with the LLVM update in #27076.

Closes #26468

pshc/rust,jashank/rust,graydon/rust,dwillmer/rust,pshc/rust,jroesch/rust,zubron/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,zubron/rust,aidancully/rust,zubron/rust,jroesch/rust,jroesch/rust,zubron/rust,graydon/rust,vhbit/rust,dwillmer/rust,l0kod/rust,pshc/rust,aidancully/rust,pshc/rust,vhbit/rust,GBGamer/rust,GBGamer/rust,l0kod/rust,graydon/rust,aidancully/rust,vhbit/rust,jroesch/rust,aidancully/rust,dwillmer/rust,pshc/rust,vhbit/rust,GBGamer/rust,dwillmer/rust,graydon/rust,graydon/rust,l0kod/rust,zubron/rust,GBGamer/rust,pshc/rust,jroesch/rust,jashank/rust,jashank/rust,l0kod/rust,dwillmer/rust,zubron/rust,jashank/rust,GBGamer/rust,pshc/rust,zubron/rust,jashank/rust,jashank/rust,vhbit/rust,jashank/rust,vhbit/rust,vhbit/rust,l0kod/rust,vhbit/rust,GBGamer/rust,dwillmer/rust,aidancully/rust,zubron/rust,dwillmer/rust,jroesch/rust,jroesch/rust,l0kod/rust,dwillmer/rust,graydon/rust,jroesch/rust,l0kod/rust,jashank/rust,pshc/rust,l0kod/rust