From 9bec02330ee42c8ce974a9864351c97c57ecc374 Mon Sep 17 00:00:00 2001
From: Justin Willmert <justin@jdjlab.com>
Date: Fri, 4 Jan 2019 18:24:16 -0600
Subject: [PATCH] Simply call _copy instead of passing through the broadcast
 machinery again

---
 stdlib/SparseArrays/src/higherorderfns.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/SparseArrays/src/higherorderfns.jl b/stdlib/SparseArrays/src/higherorderfns.jl
index 05f14c647e5e2..66ab8b3f60e52 100644
--- a/stdlib/SparseArrays/src/higherorderfns.jl
+++ b/stdlib/SparseArrays/src/higherorderfns.jl
@@ -1128,7 +1128,7 @@ function copy(bc::Broadcasted{PromoteToSparse})
     if can_skip_sparsification(bcf.f, bcf.args...)
         return _copy(bcf.f, bcf.args...)
     elseif is_supported_sparse_broadcast(bcf.args...)
-        return broadcast(bcf.f, map(_sparsifystructured, bcf.args)...)
+        return _copy(bcf.f, map(_sparsifystructured, bcf.args)...)
     else
         return copy(convert(Broadcasted{Broadcast.DefaultArrayStyle{length(axes(bc))}}, bc))
     end