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Fix subdiagnostic-only enum variants not generating code

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This commit is contained in:
Xiretza 2024-04-24 17:05:48 +00:00
parent eee14e9adf
commit 36902fbcf6
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_macros/src/diagnostics/subdiagnostic.rs
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@ -510,11 +510,11 @@ pub(crate) fn into_tokens(&mut self) -> Result<TokenStream, DiagnosticDeriveErro
.map(|binding| self.generate_field_attr_code(binding, kind_stats))
.collect();
if kind_slugs.is_empty() {
if kind_slugs.is_empty() && !self.has_subdiagnostic {
if self.is_enum {
// It's okay for a variant to not be a subdiagnostic at all..
return Ok(quote! {});
} else if !self.has_subdiagnostic {
} else {
// ..but structs should always be _something_.
throw_span_err!(
self.variant.ast().ident.span().unwrap(),