Update test suite to nightly-2024-02-16

Author: dtolnay

tests/common/eq.rs

@@ -612,7 +612,7 @@ spanless_eq_enum!(ItemKind; ExternCrate(0) Use(0) Static(0) Const(0) Fn(0)
     Union(0 1) Trait(0) TraitAlias(0 1) Impl(0) MacCall(0) MacroDef(0)
     Delegation(0));
 spanless_eq_enum!(LitKind; Str(0 1) ByteStr(0 1) CStr(0 1) Byte(0) Char(0)
-    Int(0 1) Float(0 1) Bool(0) Err);
+    Int(0 1) Float(0 1) Bool(0) Err(0));
 spanless_eq_enum!(PatKind; Wild Ident(0 1 2) Struct(0 1 2 3) TupleStruct(0 1 2)
     Or(0) Path(0 1) Tuple(0) Box(0) Ref(0 1) Lit(0) Range(0 1 2) Slice(0) Rest
     Never Paren(0) MacCall(0) Err(0));