diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/proc_macro_harness.rs')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/proc_macro_harness.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs index ece660cf6..21c8caa65 100644 --- a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs +++ b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs @@ -262,6 +262,7 @@ impl<'a> Visitor<'a> for CollectProcMacros<'a> { // use proc_macro::bridge::client::ProcMacro; // // #[rustc_proc_macro_decls] +// #[used] // #[allow(deprecated)] // static DECLS: &[ProcMacro] = &[ // ProcMacro::custom_derive($name_trait1, &[], ::$name1); @@ -348,7 +349,7 @@ fn mk_decls(cx: &mut ExtCtxt<'_>, macros: &[ProcMacro]) -> P<ast::Item> { .item_static( span, Ident::new(sym::_DECLS, span), - cx.ty_rptr( + cx.ty_ref( span, cx.ty( span, @@ -364,6 +365,7 @@ fn mk_decls(cx: &mut ExtCtxt<'_>, macros: &[ProcMacro]) -> P<ast::Item> { ) .map(|mut i| { i.attrs.push(cx.attr_word(sym::rustc_proc_macro_decls, span)); + i.attrs.push(cx.attr_word(sym::used, span)); i.attrs.push(cx.attr_nested_word(sym::allow, sym::deprecated, span)); i }); |