diff options
| author | bors <bors@rust-lang.org> | 2022-12-24 09:41:11 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-12-24 09:41:11 +0000 |
| commit | d23554fae855d884761d549cd6ee6537450b0f3c (patch) | |
| tree | b44bd3e79fa5019f0e8648737e71c432bc784188 /compiler/rustc_builtin_macros/src/proc_macro_harness.rs | |
| parent | 245357f61939d2b6d15f8c6b15f7026396f95871 (diff) | |
| parent | e52e0d855799fe651922be4a038fe84fe9009c72 (diff) | |
| download | rust-d23554fae855d884761d549cd6ee6537450b0f3c.tar.gz rust-d23554fae855d884761d549cd6ee6537450b0f3c.zip | |
Auto merge of #2738 - RalfJung:rustup, r=RalfJung
Rustup
Diffstat (limited to 'compiler/rustc_builtin_macros/src/proc_macro_harness.rs')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/proc_macro_harness.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs index ece660cf6f6..b88de224675 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); @@ -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 }); |