From a9fa2c758bad3385efb59b0d421c3b340d831798 Mon Sep 17 00:00:00 2001
From: Guillaume Maudoux <guillaume.maudoux@tweag.io>
Date: Thu, 19 Jan 2023 13:07:21 +0100
Subject: [PATCH] Always display addErrorContext messages in (expanded) traces

---
 src/libexpr/primops.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 2b340fe52..9b93e34a2 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -793,7 +793,7 @@ static void prim_addErrorContext(EvalState & state, const PosIdx pos, Value * *
         auto message = state.coerceToString(pos, *args[0], context,
                 "while evaluating the error message passed to builtins.addErrorContext",
                 false, false).toOwned();
-        e.addTrace(nullptr, message);
+        e.addTrace(nullptr, message, true);
         throw;
     }
 }