From ebd4c8c5dfd07b27f0cd083bc34b619ede3a6678 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Thu, 18 Mar 2021 20:15:06 +0100
Subject: Fix infinite recursion when computing diagnostics for inner items

---
 crates/hir_ty/src/diagnostics/decl_check.rs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'crates')

diff --git a/crates/hir_ty/src/diagnostics/decl_check.rs b/crates/hir_ty/src/diagnostics/decl_check.rs
index bfe239793..33a0f4d7d 100644
--- a/crates/hir_ty/src/diagnostics/decl_check.rs
+++ b/crates/hir_ty/src/diagnostics/decl_check.rs
@@ -102,7 +102,7 @@ impl<'a, 'b> DeclValidator<'a, 'b> {
         let db = self.db;
         for block_def_map in body.block_scopes.iter().filter_map(|block| db.block_def_map(*block)) {
             for (_, module) in block_def_map.modules() {
-                for (def_id, _) in module.scope.values() {
+                for def_id in module.scope.declarations() {
                     let mut validator = DeclValidator::new(self.db, self.krate, self.sink);
                     validator.validate_item(def_id);
                 }
@@ -902,4 +902,17 @@ extern {
             "#,
         );
     }
+
+    #[test]
+    fn infinite_loop_inner_items() {
+        check_diagnostics(
+            r#"
+fn qualify() {
+    mod foo {
+        use super::*;
+    }
+}
+            "#,
+        )
+    }
 }
-- 
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