From 4fc4eb6c93511c61a278ba0e5555ffb24435ab59 Mon Sep 17 00:00:00 2001
From: Andreas Rammhold <andreas@rammhold.de>
Date: Thu, 2 Apr 2020 17:04:00 +0200
Subject: [PATCH] libexpr: remove unused attrError

The attrError variable is no longer used but still allocated on every
call to the findAlongAttrPath function.
---
 src/libexpr/attr-path.cc | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/libexpr/attr-path.cc b/src/libexpr/attr-path.cc
index 4545bfd72..76d101b98 100644
--- a/src/libexpr/attr-path.cc
+++ b/src/libexpr/attr-path.cc
@@ -37,9 +37,6 @@ std::pair<Value *, Pos> findAlongAttrPath(EvalState & state, const string & attr
 {
     Strings tokens = parseAttrPath(attrPath);
 
-    Error attrError =
-        Error(format("attribute selection path '%1%' does not match expression") % attrPath);
-
     Value * v = &vIn;
     Pos pos = noPos;