Auto merge of #139766 - jhpratt:rollup-afrfmnk, r=jhpratt

Rollup of 10 pull requests

Successful merges:

 - #137043 (Initial `UnsafePinned` implementation [Part 1: Libs])
 - #138962 (Expect an array when expected and acutal types are both arrays during cast)
 - #139001 (add `naked_functions_rustic_abi` feature gate)
 - #139379 (Use delayed bug for normalization errors in drop elaboration)
 - #139582 (Various coercion cleanups)
 - #139628 (Suggest remove redundant `$()?` around `vis`)
 - #139644 (Micro-optimize `InstSimplify`'s `simplify_primitive_clone`)
 - #139674 (In `rustc_mir_transform`, iterate over index newtypes instead of ints)
 - #139740 (Convert `tests/ui/lint/dead-code/self-assign.rs` to a known-bug test)
 - #139741 (fix smir's run! doc and import)

r? `@ghost`
`@rustbot` modify labels: rollup

2 files changed, 7 insertions, 2 deletions

diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs
index 9b5c564d332..12384690ff3 100644
--- a/compiler/rustc_lint/src/lib.rs
+++ b/compiler/rustc_lint/src/lib.rs
@@ -606,6 +606,11 @@ fn register_builtins(store: &mut LintStore) {
         "converted into hard error, see issue #127323 \
          <https://github.com/rust-lang/rust/issues/127323> for more information",
     );
+    store.register_removed(
+        "undefined_naked_function_abi",
+        "converted into hard error, see PR #139001 \
+         <https://github.com/rust-lang/rust/issues/139001> for more information",
+    );
 }
 
 fn register_internals(store: &mut LintStore) {
diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs
index a6c82f574a1..a084dacfb5b 100644
--- a/compiler/rustc_lint/src/types.rs
+++ b/compiler/rustc_lint/src/types.rs
@@ -864,8 +864,8 @@ fn ty_is_known_nonnull<'tcx>(
                 return true;
             }
 
-            // `UnsafeCell` has its niche hidden.
-            if def.is_unsafe_cell() {
+            // `UnsafeCell` and `UnsafePinned` have their niche hidden.
+            if def.is_unsafe_cell() || def.is_unsafe_pinned() {
                 return false;
             }