diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/feature_gate/check.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate/check.rs b/src/libsyntax/feature_gate/check.rs index 33dfe386a4d..bcafb9e03ff 100644 --- a/src/libsyntax/feature_gate/check.rs +++ b/src/libsyntax/feature_gate/check.rs @@ -443,6 +443,11 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { "auto traits are experimental and possibly buggy"); } + ast::ItemKind::MacroDef(ast::MacroDef { legacy: false, .. }) => { + let msg = "`macro` is experimental"; + gate_feature_post!(&self, decl_macro, i.span, msg); + } + ast::ItemKind::OpaqueTy(..) => { gate_feature_post!( &self, |