From 2dc6d5094183edee523a48d449eab1a376e839a2 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Sun, 24 Oct 2010 14:20:02 +0000
Subject: * Don't create thunks for variable lookups (if possible).  This  
 significantly reduces the number of values allocated (e.g. from 8.7m   to
 4.9m for the Bittorrent test).

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

(limited to 'src/libexpr/primops.cc')

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 20b8395088d7..3e32dd3ffc0e 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -1070,7 +1070,7 @@ void EvalState::createBaseEnv()
     /* Add a wrapper around the derivation primop that computes the
        `drvPath' and `outPath' attributes lazily. */
     string s = "attrs: let res = derivationStrict attrs; in attrs // { drvPath = res.drvPath; outPath = res.outPath; type = \"derivation\"; }";
-    mkThunk(v, baseEnv, parseExprFromString(*this, s, "/"));
+    mkThunk_(v, parseExprFromString(*this, s, "/"));
     addConstant("derivation", v);
 
     // Paths
-- 
cgit 1.4.1