Update test suite to nightly-2024-02-27

Author: dtolnay

tests/common/eq.rs

@@ -605,7 +605,7 @@ spanless_eq_enum!(ExprKind; Array(0) ConstBlock(0) Call(0 1) MethodCall(0)
     Assign(0 1 2) AssignOp(0 1 2) Field(0 1) Index(0 1 2) Underscore
     Range(0 1 2) Path(0 1) AddrOf(0 1 2) Break(0 1) Continue(0) Ret(0)
     InlineAsm(0) OffsetOf(0 1) MacCall(0) Struct(0) Repeat(0 1) Paren(0) Try(0)
-    Yield(0) Yeet(0) Become(0) IncludedBytes(0) FormatArgs(0) Err);
+    Yield(0) Yeet(0) Become(0) IncludedBytes(0) FormatArgs(0) Err(0) Dummy);
 spanless_eq_enum!(InlineAsmOperand; In(reg expr) Out(reg late expr)
     InOut(reg late expr) SplitInOut(reg late in_expr out_expr) Const(anon_const)
     Sym(sym));

tests/test_precedence.rs

@@ -278,7 +278,7 @@ fn librustc_parenthesize(mut librustc_expr: P<ast::Expr>) -> P<ast::Expr> {
                         e,
                         P(Expr {
                             id: ast::DUMMY_NODE_ID,
-                            kind: ExprKind::Err,
+                            kind: ExprKind::Dummy,
                             span: DUMMY_SP,
                             attrs: ThinVec::new(),
                             tokens: None,