From b8462562f25c72a39db7eb702049090c99f7ea1a Mon Sep 17 00:00:00 2001
From: Qyriad <qyriad@qyriad.me>
Date: Fri, 24 Oct 2025 17:06:24 +0200
Subject: [PATCH] libutil: allow moving Trace into Error

`pushTrace` now move-constructs or copy-constructs, instead of always
copy-constructing.

Change-Id: Ie5f02643e98b7a6c1adbe58b0d46d9e116eba28e
---
 lix/libutil/error.hh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lix/libutil/error.hh b/lix/libutil/error.hh
index 5306327b0..ea8e87f64 100644
--- a/lix/libutil/error.hh
+++ b/lix/libutil/error.hh
@@ -193,11 +193,16 @@ public:
         err.pos = pos;
     }
 
-    void pushTrace(Trace trace)
+    void pushTrace(Trace const & trace)
     {
         err.traces.push_front(trace);
     }
 
+    void pushTrace(Trace && trace)
+    {
+        err.traces.emplace_front(trace);
+    }
+
     template<typename... Args>
     void addTrace(std::shared_ptr<Pos> && e, std::string_view fs, const Args & ... args)
     {