make diagnostic function public

crates/hir-def/src/nameres.rs

@@ -511,6 +511,14 @@ impl DefMap {
         self.diagnostics.as_slice()
     }
 
+    pub fn push_diagnostic(&mut self, d: DefDiagnostic) {
+        self.diagnostics.push(d)
+    }
+
+    pub fn push_diagnostics(&mut self, i: impl Iterator<Item = DefDiagnostic>) {
+        self.diagnostics.extend(i)
+    }
+
     pub fn recursion_limit(&self) -> Option<u32> {
         self.recursion_limit
     }

crates/hir-def/src/nameres/diagnostics.rs

@@ -73,7 +73,7 @@ impl DefDiagnostic {
         Self { in_module: container, kind: DefDiagnosticKind::UnresolvedImport { id, index } }
     }
 
-    pub(super) fn unconfigured_code(
+    pub fn unconfigured_code(
         container: LocalModuleId,
         ast: AstId<ast::Item>,
         cfg: CfgExpr,