save-analysis: Don't panic for macro-generated use globs
save-analysis: Don't panic for macro-generated use globs

Follow-up to
https://github.com/rust-lang/rust/commit/c2bb7cadf24e82b80f403c09e800fe5fad504caf.

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