Attempt to make reveal other issues resulting from root cause of rust-lang/rust#75255.

rustc-forced-symbol-clashing.patch

diff --git a/src/librustc_middle/ty/mod.rs b/src/librustc_middle/ty/mod.rs
index 6798addb8aa..8d8018982c9 100644
--- a/src/librustc_middle/ty/mod.rs
+++ b/src/librustc_middle/ty/mod.rs
@@ -645,7 +645,30 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for TyS<'tcx> {
             outer_exclusive_binder: _,
         } = *self;
 
-        kind.hash_stable(hcx, hasher);
+        match kind {
+            ty::Closure(def_id, substs) => {
+                ::std::mem::discriminant(kind).hash_stable(hcx, hasher);
+                def_id.hash_stable(hcx, hasher);
+                let substs = substs.as_closure();
+                substs.kind_ty().hash_stable(hcx, hasher);
+                substs.parent_substs().hash_stable(hcx, hasher);
+                substs.sig_as_fn_ptr_ty().hash_stable(hcx, hasher);
+                substs.tupled_upvars_ty().hash_stable(hcx, hasher);
+            }
+            ty::Generator(def_id, substs, movability) => {
+                ::std::mem::discriminant(kind).hash_stable(hcx, hasher);
+                def_id.hash_stable(hcx, hasher);
+                movability.hash_stable(hcx, hasher);
+                let substs = substs.as_generator();
+                substs.parent_substs().hash_stable(hcx, hasher);
+                substs.resume_ty().hash_stable(hcx, hasher);
+                substs.return_ty().hash_stable(hcx, hasher);
+                substs.witness().hash_stable(hcx, hasher);
+                substs.yield_ty().hash_stable(hcx, hasher);
+                substs.tupled_upvars_ty().hash_stable(hcx, hasher);
+            }
+            _ => kind.hash_stable(hcx, hasher),
+        }
     }
 }