From 4499b26ca4541b7c404db2de672506e89a0f9ce1 Mon Sep 17 00:00:00 2001
From: Johannes Altmanninger <aclopte@gmail.com>
Date: Sat, 18 Nov 2023 19:07:23 +0100
Subject: [PATCH] Fix use after move in HashMap::insert

Apparently GCC builds worked fine but Clang builds started failing the
"(hash == hash_value(item_key(item)))" assertion.
---
 src/hash_map.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hash_map.hh b/src/hash_map.hh
index 2f2f6042..19406bd1 100644
--- a/src/hash_map.hh
+++ b/src/hash_map.hh
@@ -214,7 +214,8 @@ struct HashMap
 
     constexpr EffectiveValue& insert(Item item)
     {
-        return insert(std::move(item), hash_value(item_key(item)));
+        const auto hash = hash_value(item_key(item));
+        return insert(std::move(item), hash);
     }
 
     template<typename KeyType> requires IsHashCompatible<Key, KeyType>