Port #[rustc_must_implement_one_of] to attribute parser
#150236
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Stumbled upon a weird (bug ?) behaviour while making this PR
it seems like it is possible to reach
check_attr.rschecks without the attribute allowed target checks having already been finished, I added a comment about how to reproduce this incheck_attr.rsotherwise good to note is that a bunch of code was moved from
compiler/rustc_hir_analysis/src/collect.rstocheck_attr.rsr? @JonathanBrouwer