bjoernager/rust
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Rollup merge of #80232 - bugadani:roundtrip, r=estebank

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Remove redundant def_id lookups

Simplify `DefId -> LocalDefId -> HirId -> LocalDefId -> DefId` chains.
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Dylan DPC 2021-01-13 03:20:13 +01:00 • committed by GitHub
commit ac7267a5e7
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2 changed files with 2 additions and 4 deletions
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3
compiler/rustc_middle/src/ty/consts.rs
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@ -92,8 +92,7 @@ impl<'tcx> Const<'tcx> {
let item_id = tcx.hir().get_parent_node(hir_id);
let item_def_id = tcx.hir().local_def_id(item_id);
let generics = tcx.generics_of(item_def_id.to_def_id());
let index =
generics.param_def_id_to_index[&tcx.hir().local_def_id(hir_id).to_def_id()];
let index = generics.param_def_id_to_index[&def_id];
let name = tcx.hir().name(hir_id);
ty::ConstKind::Param(ty::ParamConst::new(index, name))
}