Update test suite to nightly-2025-02-06

Author: dtolnay

tests/common/eq.rs

@@ -49,6 +49,7 @@ use rustc_ast::ast::Extern;
 use rustc_ast::ast::FieldDef;
 use rustc_ast::ast::FloatTy;
 use rustc_ast::ast::Fn;
+use rustc_ast::ast::FnContract;
 use rustc_ast::ast::FnDecl;
 use rustc_ast::ast::FnHeader;
 use rustc_ast::ast::FnRetTy;
@@ -497,7 +498,8 @@ spanless_eq_struct!(EnumDef; variants);
 spanless_eq_struct!(Expr; id kind span attrs !tokens);
 spanless_eq_struct!(ExprField; attrs id span ident expr is_shorthand is_placeholder);
 spanless_eq_struct!(FieldDef; attrs id span vis safety ident ty default is_placeholder);
-spanless_eq_struct!(Fn; defaultness generics sig body);
+spanless_eq_struct!(Fn; defaultness generics sig contract body);
+spanless_eq_struct!(FnContract; requires ensures);
 spanless_eq_struct!(FnDecl; inputs output);
 spanless_eq_struct!(FnHeader; constness coroutine_kind safety ext);
 spanless_eq_struct!(FnSig; header decl span);