From a8e7e791010a2ff1fca1b65dce48096419b99638 Mon Sep 17 00:00:00 2001
From: Ryan Mehri <ryan.mehri1@gmail.com>
Date: Mon, 16 Oct 2023 11:05:04 -0700
Subject: disable missing_copy_implementations lint on non_exhaustive types

use is_variant_list_non_exhaustive/is_field_list_non_exhaustive

remove unused tcx

inline non_exhaustive def/variant check
---
 compiler/rustc_lint/src/builtin.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'compiler/rustc_lint/src')

diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index 536f78a73ed..12e818b81cb 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -677,6 +677,11 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations {
         if type_implements_negative_copy_modulo_regions(cx.tcx, ty, param_env) {
             return;
         }
+        if def.is_variant_list_non_exhaustive()
+            || def.variants().iter().any(|variant| variant.is_field_list_non_exhaustive())
+        {
+            return;
+        }
 
         // We shouldn't recommend implementing `Copy` on stateful things,
         // such as iterators.
-- 
cgit 1.4.1-3-g733a5