From 6574553189fb6ccb5d00a0c043671a625672b3d3 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Tue, 17 Jan 2023 12:58:08 +0100
Subject: Fixes for some of clang scan-build detected issues

---
 backends/json/json.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'backends/json/json.cc')

diff --git a/backends/json/json.cc b/backends/json/json.cc
index 1ff0a6c66..fd2c922fd 100644
--- a/backends/json/json.cc
+++ b/backends/json/json.cc
@@ -666,8 +666,9 @@ struct JsonPass : public Pass {
 
 		std::ostream *f;
 		std::stringstream buf;
+		bool empty = filename.empty();
 
-		if (!filename.empty()) {
+		if (!empty) {
 			rewrite_filename(filename);
 			std::ofstream *ff = new std::ofstream;
 			ff->open(filename.c_str(), std::ofstream::trunc);
@@ -683,7 +684,7 @@ struct JsonPass : public Pass {
 		JsonWriter json_writer(*f, true, aig_mode, compat_int_mode);
 		json_writer.write_design(design);
 
-		if (!filename.empty()) {
+		if (!empty) {
 			delete f;
 		} else {
 			log("%s", buf.str().c_str());
-- 
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