From bebf194de1e3db609db0e32c993ce18c589248a5 Mon Sep 17 00:00:00 2001
From: Ivan Shynkarenka <chronoxor@gmail.com>
Date: Tue, 20 Sep 2016 02:13:07 +0300
Subject: [PATCH] Fix optimizations problems with serialization buffer in unit
 tests

---
 test/format-test.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/format-test.cc b/test/format-test.cc
index c1195eea..8d841330 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -1655,10 +1655,12 @@ TEST(FormatTest, CustomArgFormatter) {
 }
 
 std::string serialize_deserialize(const char *format_str, fmt::ArgList args) {
-  static std::vector<uint8_t> buffer;
+  std::vector<uint8_t> buffer;
   args.serialize<char>(buffer);
   args = args.deserialize<char>(buffer);
-  return fmt::format(format_str, args);
+  std::string result = fmt::format(format_str, args);
+  buffer.clear();
+  return result;
 }
 FMT_VARIADIC(std::string, serialize_deserialize, const char *)