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-rw-r--r--compiler/rustc_lint/src/levels.rs5
-rw-r--r--tests/ui/lint/unused/unused-field-in-pat-field.rs21
2 files changed, 26 insertions, 0 deletions
diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs
index 4ede9b44087..42b771471d0 100644
--- a/compiler/rustc_lint/src/levels.rs
+++ b/compiler/rustc_lint/src/levels.rs
@@ -299,6 +299,11 @@ impl<'tcx> Visitor<'tcx> for LintLevelsBuilder<'_, LintLevelQueryMap<'tcx>> {
         intravisit::walk_expr(self, e);
     }
 
+    fn visit_pat_field(&mut self, f: &'tcx hir::PatField<'tcx>) -> Self::Result {
+        self.add_id(f.hir_id);
+        intravisit::walk_pat_field(self, f);
+    }
+
     fn visit_expr_field(&mut self, f: &'tcx hir::ExprField<'tcx>) {
         self.add_id(f.hir_id);
         intravisit::walk_expr_field(self, f);
diff --git a/tests/ui/lint/unused/unused-field-in-pat-field.rs b/tests/ui/lint/unused/unused-field-in-pat-field.rs
new file mode 100644
index 00000000000..34959a1023f
--- /dev/null
+++ b/tests/ui/lint/unused/unused-field-in-pat-field.rs
@@ -0,0 +1,21 @@
+//@ check-pass
+
+// Ensure we collect lint levels from pat fields in structs.
+
+#![deny(unused_variables)]
+
+pub struct Foo {
+    bar: u32,
+    baz: u32,
+}
+
+pub fn test(foo: Foo) {
+    let Foo {
+        #[allow(unused_variables)]
+        bar,
+        #[allow(unused_variables)]
+        baz,
+    } = foo;
+}
+
+fn main() {}