From 17691ee974c8eee31b24c59fae7123dfc5486ef6 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Fri, 15 Apr 2022 20:17:50 +0200
Subject: [PATCH] Slightly optimize `Resolver::krate`

---
 crates/hir_def/src/resolver.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/crates/hir_def/src/resolver.rs b/crates/hir_def/src/resolver.rs
index 2a990765ea..f3dcdcfa4a 100644
--- a/crates/hir_def/src/resolver.rs
+++ b/crates/hir_def/src/resolver.rs
@@ -448,7 +448,13 @@ impl Resolver {
     }
 
     pub fn krate(&self) -> CrateId {
-        self.module_scope().0.krate()
+        self.scopes
+            .get(0)
+            .and_then(|scope| match scope {
+                Scope::ModuleScope(m) => Some(m.def_map.krate()),
+                _ => None,
+            })
+            .expect("module scope invariant violated")
     }
 
     pub fn where_predicates_in_scope(