Gate all usages of dyn*, even in macros

2023-03-11 21:18:45 +00:00
parent 8a73f50d87
commit bd4355500a
8 changed files with 32 additions and 12 deletions
--- a/compiler/rustc_parse/src/parser/ty.rs
+++ b/compiler/rustc_parse/src/parser/ty.rs
@@ -624,10 +624,12 @@ impl<'a> Parser<'a> {
    ///
    /// Note that this does *not* parse bare trait objects.
    fn parse_dyn_ty(&mut self, impl_dyn_multi: &mut bool) -> PResult<'a, TyKind> {
+        let lo = self.token.span;
        self.bump(); // `dyn`

        // parse dyn* types
        let syntax = if self.eat(&TokenKind::BinOp(token::Star)) {
+            self.sess.gated_spans.gate(sym::dyn_star, lo.to(self.prev_token.span));
            TraitObjectSyntax::DynStar
        } else {
            TraitObjectSyntax::Dyn