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authorJonas Schievink <jonasschievink@gmail.com>2020-12-16 23:42:03 +0100
committerJonas Schievink <jonasschievink@gmail.com>2020-12-16 23:42:03 +0100
commit28b5334580e5814d102b006e310ca0d1f03cdd72 (patch)
treeda9ac7abc2f426dbe2783aa7a2a29e57d17cddf8 /docs/dev/debugging.md
parent067067a6c11bb5afda98f5af14bfdec4744e7812 (diff)
downloadrust-28b5334580e5814d102b006e310ca0d1f03cdd72.tar.gz
rust-28b5334580e5814d102b006e310ca0d1f03cdd72.zip
Avoid querying attributes in item tree lowering
ItemTree is per-file, so there is no unique crate associated with it.
This means that it cannot know the active CfgOptions and thus couldn't
handle `cfg_attr`.

Prepare it for `cfg_attr`s by avoiding accessing attributes.
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