Rollup merge of #115439 - fmease:rustdoc-priv-repr-transparent-heuristic, r=GuillaumeGomez

rustdoc: hide `#[repr(transparent)]` if it isn't part of the public ABI

Fixes #90435.

This hides `#[repr(transparent)]` when the non-1-ZST field the struct is "transparent" over is private.

CC `@RalfJung`

Tentatively nominating it for the release notes, feel free to remove the nomination.
`@rustbot` label needs-fcp relnotes A-rustdoc-ui

1 files changed, 2 insertions, 1 deletions

diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs
index 1420d108664..17e2172a270 100644
--- a/src/librustdoc/json/conversions.rs
+++ b/src/librustdoc/json/conversions.rs
@@ -18,6 +18,7 @@ use rustdoc_json_types::*;
 
 use crate::clean::{self, ItemId};
 use crate::formats::item_type::ItemType;
+use crate::formats::FormatRenderer;
 use crate::json::JsonRenderer;
 use crate::passes::collect_intra_doc_links::UrlFragment;
 
@@ -41,7 +42,7 @@ impl JsonRenderer<'_> {
             })
             .collect();
         let docs = item.opt_doc_value();
-        let attrs = item.attributes(self.tcx, true);
+        let attrs = item.attributes(self.tcx, self.cache(), true);
         let span = item.span(self.tcx);
         let visibility = item.visibility(self.tcx);
         let clean::Item { name, item_id, .. } = item;