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4d016c781a
rustc_codegen_ssa: Remove trailing spaces in Display impl for CguReuse
Otherwise errors will look like this:
error: CGU-reuse for `cgu_invalidated_via_import-bar` is `PreLto ` but should be `PostLto `
### Background
I noticed that error messages looked wonky while investigating if
https://github.com/rust-lang/rust/blob/529047cfc3f4f7b3ea5aaac054408f368d153727/compiler/rustc_codegen_ssa/src/assert_module_sources.rs#L281-L287
should not be wrapped by `sess.emit_err(...)`. Right now it looks like the error is accidentally ignored. It looks like https://github.com/rust-lang/rust/pull/100753/commits/706452eba74026c51e8d0fa30aee2497c69eafc0 might have accidentally started ignoring it (by removing the `diag.span_err()` call). I am still investigating, but regardless of the outcome we should fix the trailing whitespace.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.