bors c74925438c Auto merge of #95149 - cjgillot:once-diag, r=estebank ... Remove `Session::one_time_diagnostic` This is untracked mutable state, which modified the behaviour of queries. It was used for 2 things: some full-blown errors, but mostly for lint declaration notes ("the lint level is defined here" notes). It is replaced by the diagnostic deduplication infra which already exists in the diagnostic emitter. A new diagnostic level `OnceNote` is introduced specifically for lint notes, to deduplicate subdiagnostics. As a drive-by, diagnostic emission takes a `&mut` to allow dropping the `SubDiagnostic`s.		2022-03-26 00:54:54 +00:00
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src	Auto merge of #95149 - cjgillot:once-diag, r=estebank	2022-03-26 00:54:54 +00:00
Cargo.toml	Migrate to 2021	2021-09-20 22:21:42 -04:00