Update test suite to nightly-2024-02-17

Author: dtolnay

tests/common/eq.rs

@@ -618,8 +618,8 @@ spanless_eq_enum!(PatKind; Wild Ident(0 1 2) Struct(0 1 2 3) TupleStruct(0 1 2)
     Never Paren(0) MacCall(0) Err(0));
 spanless_eq_enum!(TyKind; Slice(0) Array(0 1) Ptr(0) Ref(0 1) BareFn(0) Never
     Tup(0) AnonStruct(0 1) AnonUnion(0 1) Path(0 1) TraitObject(0 1)
-    ImplTrait(0 1) Paren(0) Typeof(0) Infer ImplicitSelf MacCall(0) Err
-    CVarArgs);
+    ImplTrait(0 1) Paren(0) Typeof(0) Infer ImplicitSelf MacCall(0) CVarArgs
+    Dummy Err(0));
 
 impl SpanlessEq for Ident {
     fn eq(&self, other: &Self) -> bool {
@@ -655,8 +655,8 @@ impl SpanlessEq for Param {
         } = other;
         SpanlessEq::eq(id, id2)
             && SpanlessEq::eq(is_placeholder, is_placeholder2)
-            && (matches!(ty.kind, TyKind::Err)
-                || matches!(ty2.kind, TyKind::Err)
+            && (matches!(ty.kind, TyKind::Err(_))
+                || matches!(ty2.kind, TyKind::Err(_))
                 || SpanlessEq::eq(attrs, attrs2)
                     && SpanlessEq::eq(ty, ty2)
                     && SpanlessEq::eq(pat, pat2))