Auto merge of #119284 - Nadrieril:fix-bodiless-arm-parse, r=cjgillot

Don't drop a hir node after lowering

Fixes rust-lang/rust#119271.

It seems that all hir nodes that get allocated an id must be placed within the hir on pain of ICEs. In rust-lang/rust#118527 I dropped guards on never patterns since they're not useful, which caused the ICE.

Author: bors