make intrinsic query legal for any DefId

Author: oli-obk

compiler/rustc_middle/src/ty/util.rs

@@ -1643,7 +1643,11 @@ pub fn is_doc_notable_trait(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
 
 /// Determines whether an item is an intrinsic (which may be via Abi or via the `rustc_intrinsic` attribute)
 pub fn intrinsic(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<ty::IntrinsicDef> {
-    if matches!(tcx.fn_sig(def_id).skip_binder().abi(), Abi::RustIntrinsic | Abi::PlatformIntrinsic)
+    if (matches!(tcx.def_kind(def_id), DefKind::Fn)
+        && matches!(
+            tcx.fn_sig(def_id).skip_binder().abi(),
+            Abi::RustIntrinsic | Abi::PlatformIntrinsic
+        ))
         || tcx.has_attr(def_id, sym::rustc_intrinsic)
     {
         Some(ty::IntrinsicDef {