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Delegation: second attempt to improve perf

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This commit is contained in:
Bryanskiy
2024-07-31 18:58:04 +03:00
parent 595316b400
commit 9b097b2d44
5 changed files with 33 additions and 27 deletions
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2
compiler/rustc_hir_analysis/src/delegation.rs
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@@ -242,7 +242,7 @@ pub(crate) fn inherit_sig_for_delegation_item<'tcx>(
tcx: TyCtxt<'tcx>,
def_id: LocalDefId,
) -> &'tcx [Ty<'tcx>] {
let sig_id = tcx.hir().delegation_sig_id(def_id);
let sig_id = tcx.hir().opt_delegation_sig_id(def_id).unwrap();
let caller_sig = tcx.fn_sig(sig_id);
if let Err(err) = check_constraints(tcx, def_id, sig_id) {
let sig_len = caller_sig.instantiate_identity().skip_binder().inputs().len() + 1;