From 8663ee19e45f6d6cd61fa6fe7ea1b2c33a85a46e Mon Sep 17 00:00:00 2001
From: Devin Ragotzy <devin.ragotzy@gmail.com>
Date: Wed, 27 Oct 2021 20:29:14 -0400
Subject: [PATCH] Fix omitted_patterns lint showing unstable/doc hidden fields

---
 compiler/rustc_typeck/src/check/pat.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/compiler/rustc_typeck/src/check/pat.rs b/compiler/rustc_typeck/src/check/pat.rs
index 26a1d0c473c6..155f9f899f62 100644
--- a/compiler/rustc_typeck/src/check/pat.rs
+++ b/compiler/rustc_typeck/src/check/pat.rs
@@ -12,6 +12,7 @@ use rustc_hir::{HirId, Pat, PatKind};
 use rustc_infer::infer;
 use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
 use rustc_middle::ty::{self, Adt, BindingMode, Ty, TypeFoldable};
+use rustc_middle::{middle::stability::EvalResult, ty::subst::GenericArg};
 use rustc_session::lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS;
 use rustc_span::hygiene::DesugaringKind;
 use rustc_span::lev_distance::find_best_match_for_name;
@@ -1308,6 +1309,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 .copied()
                 .filter(|(field, _)| {
                     field.vis.is_accessible_from(tcx.parent_module(pat.hir_id).to_def_id(), tcx)
+                        && !matches!(
+                            tcx.eval_stability(field.did, None, DUMMY_SP, None),
+                            EvalResult::Deny { .. }
+                        )
+                        && !tcx.is_doc_hidden(field.did)
                 })
                 .collect();