bjoernager/rust
bjoernager/rust
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Use () for lang items.

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This commit is contained in:
Camille GILLOT 2021-05-11 13:50:41 +02:00
parent 9849327384
commit 437a46ddfa
8 changed files with 30 additions and 53 deletions
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8
compiler/rustc_passes/src/lib_features.rs
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@ -6,7 +6,6 @@
use rustc_ast::{Attribute, MetaItem, MetaItemKind};
use rustc_errors::struct_span_err;
use rustc_hir::def_id::LOCAL_CRATE;
use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
use rustc_middle::hir::map::Map;
use rustc_middle::middle::lib_features::LibFeatures;
@ -127,7 +126,7 @@ impl Visitor<'tcx> for LibFeatureCollector<'tcx> {
}
}
fn collect(tcx: TyCtxt<'_>) -> LibFeatures {
fn get_lib_features(tcx: TyCtxt<'_>, (): ()) -> LibFeatures {
let mut collector = LibFeatureCollector::new(tcx);
let krate = tcx.hir().krate();
for attr in krate.non_exported_macro_attrs {
@ -138,8 +137,5 @@ fn collect(tcx: TyCtxt<'_>) -> LibFeatures {
}
pub fn provide(providers: &mut Providers) {
providers.get_lib_features = |tcx, id| {
assert_eq!(id, LOCAL_CRATE);
collect(tcx)
};
providers.get_lib_features = get_lib_features;
}