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-rw-r--r--src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs13
-rw-r--r--src/tools/clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs2
-rw-r--r--src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs2
3 files changed, 11 insertions, 6 deletions
diff --git a/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs b/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs
index 59de8c038..3126b5901 100644
--- a/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs
@@ -45,8 +45,13 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) {
// Accumulate the variants which should be put in place of the wildcard because they're not
// already covered.
- let has_hidden = adt_def.variants().iter().any(|x| is_hidden(cx, x));
- let mut missing_variants: Vec<_> = adt_def.variants().iter().filter(|x| !is_hidden(cx, x)).collect();
+ let is_external = adt_def.did().as_local().is_none();
+ let has_external_hidden = is_external && adt_def.variants().iter().any(|x| is_hidden(cx, x));
+ let mut missing_variants: Vec<_> = adt_def
+ .variants()
+ .iter()
+ .filter(|x| !(is_external && is_hidden(cx, x)))
+ .collect();
let mut path_prefix = CommonPrefixSearcher::None;
for arm in arms {
@@ -133,7 +138,7 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) {
match missing_variants.as_slice() {
[] => (),
- [x] if !adt_def.is_variant_list_non_exhaustive() && !has_hidden => span_lint_and_sugg(
+ [x] if !adt_def.is_variant_list_non_exhaustive() && !has_external_hidden => span_lint_and_sugg(
cx,
MATCH_WILDCARD_FOR_SINGLE_VARIANTS,
wildcard_span,
@@ -144,7 +149,7 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) {
),
variants => {
let mut suggestions: Vec<_> = variants.iter().copied().map(format_suggestion).collect();
- let message = if adt_def.is_variant_list_non_exhaustive() || has_hidden {
+ let message = if adt_def.is_variant_list_non_exhaustive() || has_external_hidden {
suggestions.push("_".into());
"wildcard matches known variants and will also match future added variants"
} else {
diff --git a/src/tools/clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs b/src/tools/clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs
index 0aadb482a..d06bcdaa2 100644
--- a/src/tools/clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs
@@ -10,7 +10,7 @@ pub(crate) fn check(cx: &LateContext<'_>, pat: &Pat<'_>) {
if !pat.span.from_expansion();
if let PatKind::Struct(QPath::Resolved(_, path), fields, true) = pat.kind;
if let Some(def_id) = path.res.opt_def_id();
- let ty = cx.tcx.type_of(def_id);
+ let ty = cx.tcx.type_of(def_id).subst_identity();
if let ty::Adt(def, _) = ty.kind();
if def.is_struct() || def.is_union();
if fields.len() == def.non_enum_variant().fields.len();
diff --git a/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
index f587c69f7..b33a24781 100644
--- a/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
@@ -341,7 +341,7 @@ impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> {
ExprKind::ConstBlock(_) |
ExprKind::Continue(_) |
ExprKind::DropTemps(_) |
- ExprKind::Err |
+ ExprKind::Err(_) |
ExprKind::InlineAsm(_) |
ExprKind::Let(_) |
ExprKind::Lit(_) |