From 54f30bb6d89165397e6c556bff43fcd81d939818 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 25 Jan 2019 21:16:04 +0300
Subject: nicer behavior in case of bugs

We should always reach a fixed point, but if we fail, let's fail
loudly!
---
 crates/ra_hir/src/nameres.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'crates')

diff --git a/crates/ra_hir/src/nameres.rs b/crates/ra_hir/src/nameres.rs
index 028c1882f..5193900e0 100644
--- a/crates/ra_hir/src/nameres.rs
+++ b/crates/ra_hir/src/nameres.rs
@@ -190,7 +190,12 @@ where
             self.populate_module(module_id, Arc::clone(items));
         }
 
+        let mut iter = 0;
         loop {
+            iter += 1;
+            if iter > 1000 {
+                panic!("failed to reach fixedpoint after 1000 iters")
+            }
             let processed_imports_count = self.processed_imports.len();
             for &module_id in self.input.keys() {
                 self.db.check_canceled();
-- 
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