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passes: improved partial stabilization diagnostic

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Improves the diagnostic when a feature attribute is specified
unnecessarily but the feature implies another (i.e. it was partially
stabilized) to refer to the implied feature.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-07-13 15:10:19 +01:00
parent 97edb9f336
commit 6246d66c6d
11 changed files with 115 additions and 14 deletions
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8
compiler/rustc_middle/src/query/mod.rs
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@ -1634,11 +1634,15 @@ rustc_queries! {
storage(ArenaCacheSelector<'tcx>)
desc { "calculating the lib features map" }
}
query defined_lib_features(_: CrateNum)
-> &'tcx [(Symbol, Option<Symbol>)] {
query defined_lib_features(_: CrateNum) -> &'tcx [(Symbol, Option<Symbol>)] {
desc { "calculating the lib features defined in a crate" }
separate_provide_extern
}
query stability_implications(_: CrateNum) -> FxHashMap<Symbol, Symbol> {
storage(ArenaCacheSelector<'tcx>)
desc { "calculating the implications between `#[unstable]` features defined in a crate" }
separate_provide_extern
}
/// Whether the function is an intrinsic
query is_intrinsic(def_id: DefId) -> bool {
desc { |tcx| "is_intrinsic({})", tcx.def_path_str(def_id) }