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authorMichael Goulet <michael@errs.io>2023-03-11 21:18:45 +0000
committerMichael Goulet <michael@errs.io>2023-03-11 21:29:28 +0000
commitbd4355500a53ba2b3d82d754d1d669710d4b442c (patch)
tree4a64dad397b352a8f7cae7df9727bd10d7e86b3e /compiler
parent8a73f50d875840b8077b8ec080fa41881d7ce40d (diff)
downloadrust-bd4355500a53ba2b3d82d754d1d669710d4b442c.tar.gz
rust-bd4355500a53ba2b3d82d754d1d669710d4b442c.zip
Gate all usages of dyn*, even in macros
Diffstat (limited to 'compiler')
-rw-r--r--compiler/rustc_ast_passes/src/feature_gate.rs4
-rw-r--r--compiler/rustc_parse/src/parser/ty.rs2
2 files changed, 3 insertions, 3 deletions
diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs
index 96042ea3078..a33f2bd33f1 100644
--- a/compiler/rustc_ast_passes/src/feature_gate.rs
+++ b/compiler/rustc_ast_passes/src/feature_gate.rs
@@ -337,9 +337,6 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
             ast::TyKind::Never => {
                 gate_feature_post!(&self, never_type, ty.span, "the `!` type is experimental");
             }
-            ast::TyKind::TraitObject(_, ast::TraitObjectSyntax::DynStar, ..) => {
-                gate_feature_post!(&self, dyn_star, ty.span, "dyn* trait objects are unstable");
-            }
             _ => {}
         }
         visit::walk_ty(self, ty)
@@ -594,6 +591,7 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session) {
     gate_all!(inline_const_pat, "inline-const in pattern position is experimental");
     gate_all!(associated_const_equality, "associated const equality is incomplete");
     gate_all!(yeet_expr, "`do yeet` expression is experimental");
+    gate_all!(dyn_star, "`dyn*` trait objects are experimental");
 
     // All uses of `gate_all!` below this point were added in #65742,
     // and subsequently disabled (with the non-early gating readded).
diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs
index 6fe4da71f6b..3d9d2cc62e3 100644
--- 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