From b2f0472fe256b074a7aa7320bc54437886651a2b Mon Sep 17 00:00:00 2001
From: Taeer Bar-Yam <taeer@bar-yam.me>
Date: Tue, 4 Nov 2025 21:20:19 +0100
Subject: [PATCH] parser.y: allocate `Expr`s in the allocator

---
 src/libexpr/include/nix/expr/nixexpr.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libexpr/include/nix/expr/nixexpr.hh b/src/libexpr/include/nix/expr/nixexpr.hh
index 1db79c58b..08d39cd87 100644
--- a/src/libexpr/include/nix/expr/nixexpr.hh
+++ b/src/libexpr/include/nix/expr/nixexpr.hh
@@ -813,7 +813,7 @@ public:
     [[gnu::always_inline]]
     C * add(auto &&... args)
     {
-        return new C(std::forward<decltype(args)>(args)...);
+        return alloc.new_object<C>(std::forward<decltype(args)>(args)...);
     }
 
     // we define some calls to add explicitly so that the argument can be passed in as initializer lists
@@ -822,7 +822,7 @@ public:
     C * add(const PosIdx & pos, Expr * fun, std::vector<Expr *> && args)
         requires(std::same_as<C, ExprCall>)
     {
-        return new C(pos, fun, std::move(args));
+        return alloc.new_object<C>(pos, fun, std::move(args));
     }
 
     template<class C>
@@ -830,7 +830,7 @@ public:
     C * add(const PosIdx & pos, Expr * fun, std::vector<Expr *> && args, PosIdx && cursedOrEndPos)
         requires(std::same_as<C, ExprCall>)
     {
-        return new C(pos, fun, std::move(args), std::move(cursedOrEndPos));
+        return alloc.new_object<C>(pos, fun, std::move(args), std::move(cursedOrEndPos));
     }
 
     template<class C>