From b52df9187730abbcd9cbb132f7d184c74b9a3b7f Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Wed, 26 May 2021 01:01:58 +0200
Subject: Stop expanding UseTrees during ItemTree lowering

---
 crates/hir_def/src/nameres/diagnostics.rs | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'crates/hir_def/src/nameres/diagnostics.rs')

diff --git a/crates/hir_def/src/nameres/diagnostics.rs b/crates/hir_def/src/nameres/diagnostics.rs
index 8f2f0ff9f..57c36c3c6 100644
--- a/crates/hir_def/src/nameres/diagnostics.rs
+++ b/crates/hir_def/src/nameres/diagnostics.rs
@@ -2,9 +2,15 @@
 
 use cfg::{CfgExpr, CfgOptions};
 use hir_expand::MacroCallKind;
+use la_arena::Idx;
 use syntax::ast;
 
-use crate::{nameres::LocalModuleId, path::ModPath, AstId};
+use crate::{
+    item_tree::{self, ItemTreeId},
+    nameres::LocalModuleId,
+    path::ModPath,
+    AstId,
+};
 
 #[derive(Debug, PartialEq, Eq)]
 pub enum DefDiagnosticKind {
@@ -12,7 +18,7 @@ pub enum DefDiagnosticKind {
 
     UnresolvedExternCrate { ast: AstId<ast::ExternCrate> },
 
-    UnresolvedImport { ast: AstId<ast::Use>, index: usize },
+    UnresolvedImport { id: ItemTreeId<item_tree::Import>, index: Idx<ast::UseTree> },
 
     UnconfiguredCode { ast: AstId<ast::Item>, cfg: CfgExpr, opts: CfgOptions },
 
@@ -53,10 +59,10 @@ impl DefDiagnostic {
 
     pub(super) fn unresolved_import(
         container: LocalModuleId,
-        ast: AstId<ast::Use>,
-        index: usize,
+        id: ItemTreeId<item_tree::Import>,
+        index: Idx<ast::UseTree>,
     ) -> Self {
-        Self { in_module: container, kind: DefDiagnosticKind::UnresolvedImport { ast, index } }
+        Self { in_module: container, kind: DefDiagnosticKind::UnresolvedImport { id, index } }
     }
 
     pub(super) fn unconfigured_code(
-- 
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