From 39d992ef559c9cd67551819a9d63ef52ef7b725f Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Thu, 1 Apr 2021 20:35:21 +0200
Subject: Intern Attr, MacroCall and Path components

---
 crates/hir_def/src/path/lower.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'crates/hir_def/src/path/lower.rs')

diff --git a/crates/hir_def/src/path/lower.rs b/crates/hir_def/src/path/lower.rs
index 4de951fd3..28f6244da 100644
--- a/crates/hir_def/src/path/lower.rs
+++ b/crates/hir_def/src/path/lower.rs
@@ -2,6 +2,7 @@
 
 mod lower_use;
 
+use crate::intern::Interned;
 use std::sync::Arc;
 
 use either::Either;
@@ -74,10 +75,11 @@ pub(super) fn lower_path(mut path: ast::Path, hygiene: &Hygiene) -> Option<Path>
                     // <T as Trait<A>>::Foo desugars to Trait<Self=T, A>::Foo
                     Some(trait_ref) => {
                         let path = Path::from_src(trait_ref.path()?, hygiene)?;
+                        let mod_path = (*path.mod_path).clone();
                         let num_segments = path.mod_path.segments.len();
-                        kind = path.mod_path.kind;
+                        kind = mod_path.kind;
 
-                        let mut prefix_segments = path.mod_path.segments;
+                        let mut prefix_segments = mod_path.segments;
                         prefix_segments.reverse();
                         segments.extend(prefix_segments);
 
@@ -140,7 +142,7 @@ pub(super) fn lower_path(mut path: ast::Path, hygiene: &Hygiene) -> Option<Path>
         }
     }
 
-    let mod_path = ModPath::from_segments(kind, segments);
+    let mod_path = Interned::new(ModPath::from_segments(kind, segments));
     return Some(Path { type_anchor, mod_path, generic_args });
 
     fn qualifier(path: &ast::Path) -> Option<ast::Path> {
-- 
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