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No need to probe when relating opaques in nll_relate

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This commit is contained in:
Michael Goulet 2022-10-26 22:09:48 +00:00
parent 43dd3d514b
commit 901649eeb7
3 changed files with 25 additions and 1 deletions
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2
compiler/rustc_infer/src/infer/nll_relate/mod.rs
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@ -592,7 +592,7 @@ where
(&ty::Infer(ty::TyVar(vid)), _) => self.relate_ty_var((vid, b)),
(&ty::Opaque(a_def_id, _), &ty::Opaque(b_def_id, _)) if a_def_id == b_def_id => {
infcx.commit_if_ok(|_| infcx.super_combine_tys(self, a, b)).or_else(|err| {
infcx.super_combine_tys(self, a, b).or_else(|err| {
self.tcx().sess.delay_span_bug(
self.delegate.span(),
"failure to relate an opaque to itself should result in an error later on",