Rollup merge of #122719 - oli-obk:nested_static_feed_hir, r=fee1-dead

Ensure nested statics have a HIR node to prevent various queries from ICEing

fixes https://github.com/rust-lang/miri/issues/3389

compiler/rustc_passes/src/reachable.rs

@@ -247,7 +247,7 @@ impl<'tcx> ReachableContext<'tcx> {
             | Node::Field(_)
             | Node::Ty(_)
             | Node::Crate(_)
-            | Node::AssocOpaqueTy(..) => {}
+            | Node::Synthetic => {}
             _ => {
                 bug!(
                     "found unexpected node kind in worklist: {} ({:?})",