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Add fast path to opt_local_def_id.

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This commit is contained in:
Camille GILLOT 2021-12-05 11:18:16 +01:00
parent ec4bcaac45
commit 5a123c265b
1 changed files with 6 additions and 2 deletions
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8
compiler/rustc_middle/src/hir/map/mod.rs
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@ -200,8 +200,12 @@ impl<'hir> Map<'hir> {
#[inline] #[inline]
pub fn opt_local_def_id(&self, hir_id: HirId) -> Option<LocalDefId> { pub fn opt_local_def_id(&self, hir_id: HirId) -> Option<LocalDefId> {
// FIXME(#85914) is this access safe for incr. comp.? if hir_id.local_id == ItemLocalId::new(0) {
self.tcx.untracked_resolutions.definitions.opt_hir_id_to_local_def_id(hir_id) Some(hir_id.owner)
} else {
// FIXME(#85914) is this access safe for incr. comp.?
self.tcx.untracked_resolutions.definitions.opt_hir_id_to_local_def_id(hir_id)
}
} }
#[inline] #[inline]