From a96be29db536177fdc284b51a3b2af44a70496e0 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Thu, 16 Nov 2023 13:13:01 +0100
Subject: [PATCH] removeAttrs: increase stack reservation to 64

---
 src/libexpr/primops.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index adce95bed..e274c3c0c 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -2549,7 +2549,8 @@ static void prim_removeAttrs(EvalState & state, const PosIdx pos, Value * * args
     /* Get the attribute names to be removed.
        We keep them as Attrs instead of Symbols so std::set_difference
        can be used to remove them from attrs[0]. */
-    boost::container::small_vector<Attr, 16> names;
+    // 64: large enough to fit the attributes of a derivation
+    boost::container::small_vector<Attr, 64> names;
     names.reserve(args[1]->listSize());
     for (auto elem : args[1]->listItems()) {
         state.forceStringNoCtx(*elem, pos, "while evaluating the values of the second argument passed to builtins.removeAttrs");