From e6737d5775ffcf3128acdc6b6f8a907c10e0fb3c Mon Sep 17 00:00:00 2001
From: ridiculousfish <corydoras@ridiculousfish.com>
Date: Sat, 16 Jun 2018 11:40:59 -0700
Subject: [PATCH] Use a std::move in expand_cmdsubst

Save an unnecessary allocation.
---
 src/expand.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/expand.cpp b/src/expand.cpp
index 80a94c066..7e3476886 100644
--- a/src/expand.cpp
+++ b/src/expand.cpp
@@ -649,7 +649,7 @@ static bool expand_cmdsubst(const wcstring &input, std::vector<completion_t> *ou
             // sub_res, idx ), idx );
             // sub_res[idx] = 0; // ??
         }
-        sub_res = sub_res2;
+        sub_res = std::move(sub_res2);
     }
 
     // Recursively call ourselves to expand any remaining command substitutions. The result of this