From f5a81ec4683613bd62624811733345d627f2127b Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 30 Jan 2021 18:19:21 +0300
Subject: Upgrade rowan

Notably, new rowan comes with support for mutable syntax trees.
---
 crates/hir_expand/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'crates/hir_expand/src/lib.rs')

diff --git a/crates/hir_expand/src/lib.rs b/crates/hir_expand/src/lib.rs
index e388ddacc..eee430af1 100644
--- a/crates/hir_expand/src/lib.rs
+++ b/crates/hir_expand/src/lib.rs
@@ -510,7 +510,10 @@ impl InFile<SyntaxToken> {
         self,
         db: &dyn db::AstDatabase,
     ) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
-        self.map(|it| it.parent()).ancestors_with_macros(db)
+        self.value
+            .parent()
+            .into_iter()
+            .flat_map(move |parent| InFile::new(self.file_id, parent).ancestors_with_macros(db))
     }
 }
 
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