From dac8e133866684c2e090f9922871dc3e3b501a30 Mon Sep 17 00:00:00 2001
From: lingsheng <lingsheng@huawei.com>
Date: Mon, 11 Jan 2021 14:27:49 +0800
Subject: [PATCH] Initialize 'nrhs' to avoid gcc warning

---
 expr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/expr.c b/expr.c
index 4059a32..01851c8 100644
--- a/expr.c
+++ b/expr.c
@@ -189,10 +189,10 @@ int
 expr_clone(struct expr_node *retp, const struct expr_node *node)
 {
 	*retp = *node;
+	struct expr_node *nlhs;
+	struct expr_node *nrhs = NULL;
 
 	switch (node->kind) {
-		struct expr_node *nlhs;
-		struct expr_node *nrhs;
 
 	case EXPR_OP_ARGNO:
 	case EXPR_OP_SELF:
-- 
2.23.0