From 0ba8740239f4fa443aeee75c9cf1447179fa7e7f Mon Sep 17 00:00:00 2001
From: Daniel Schultz <tthsqe12@gmail.com>
Date: Thu, 29 Jul 2021 14:04:44 +0200
Subject: [PATCH] missing gc vars

---
 src/poly/poly.jl | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/poly/poly.jl b/src/poly/poly.jl
index af9d752c6..a5fc00cd7 100644
--- a/src/poly/poly.jl
+++ b/src/poly/poly.jl
@@ -729,8 +729,7 @@ end
 
 function evaluate(a::spoly{T}, C::Vector{T}) where T <: Nemo.RingElem
    S = parent(a)
-   R = base_ring(a)
-   GC.@preserve C begin
+   GC.@preserve a C S begin
       carr = [c.ptr.cpp_object for c in C]
       n = libSingular.maEvalAt(a.ptr, carr, S.ptr)
       return base_ring(a)(n)