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Rollup merge of #111648 - Nilstrieb:language-items, r=WaffleLapkin

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Remove `LangItems::require`

It's just a short wrapper used by `tcx.require_lang_item`. Deleting it gives us a negative diff.
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Dylan DPC 2023-05-17 11:13:56 +05:30 • committed by GitHub
commit e7176dbfd8
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9 changed files with 20 additions and 38 deletions
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4
compiler/rustc_hir_analysis/src/coherence/builtin.rs
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@ -298,9 +298,7 @@ pub fn coerce_unsized_info<'tcx>(tcx: TyCtxt<'tcx>, impl_did: LocalDefId) -> Coe
let coerce_unsized_trait = tcx.require_lang_item(LangItem::CoerceUnsized, Some(span));
let unsize_trait = tcx.lang_items().require(LangItem::Unsize).unwrap_or_else(|err| {
tcx.sess.fatal(format!("`CoerceUnsized` implementation {}", err.to_string()));
});
let unsize_trait = tcx.require_lang_item(LangItem::Unsize, Some(span));
let source = tcx.type_of(impl_did).subst_identity();
let trait_ref = tcx.impl_trait_ref(impl_did).unwrap().subst_identity();