macros: add interop between diagnostic derives

Add `#[subdiagnostic]` field attribute to the diagnostic derive which is applied to fields that have types which use the subdiagnostic derive. Signed-off-by: David Wood <david.wood@huawei.com>
2022-04-27 05:59:48 +01:00
parent e5d9371b30
commit dca88612b9
4 changed files with 16 additions and 3 deletions
--- a/compiler/rustc_macros/src/lib.rs
+++ b/compiler/rustc_macros/src/lib.rs
@@ -73,6 +73,7 @@ decl_derive!(
        skip_arg,
        primary_span,
        label,
+        subdiagnostic,
        suggestion,
        suggestion_short,
        suggestion_hidden,