bors f66e825f73 Auto merge of #87739 - Aaron1011:remove-used-attrs, r=wesleywiser ... Remove `Session.used_attrs` and move logic to `CheckAttrVisitor` Instead of updating global state to mark attributes as used, we now explicitly emit a warning when an attribute is used in an unsupported position. As a side effect, we are to emit more detailed warning messages (instead of just a generic "unused" message). `Session.check_name` is removed, since its only purpose was to mark the attribute as used. All of the callers are modified to use `Attribute.has_name` Additionally, `AttributeType::AssumedUsed` is removed - an 'assumed used' attribute is implemented by simply not performing any checks in `CheckAttrVisitor` for a particular attribute. We no longer emit unused attribute warnings for the `#[rustc_dummy]` attribute - it's an internal attribute used for tests, so it doesn't mark sense to treat it as 'unused'. With this commit, a large source of global untracked state is removed.		2021-08-24 03:58:22 +00:00
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src	Auto merge of #87739 - Aaron1011:remove-used-attrs, r=wesleywiser	2021-08-24 03:58:22 +00:00
Cargo.toml	Auto merge of #86700 - lqd:matthews-nll-hrtb-errors, r=nikomatsakis	2021-08-18 15:54:59 +00:00