From 8c7e0829200a3bac3950e92579e14c9b179829d6 Mon Sep 17 00:00:00 2001
From: Sil3ntStorm <Sil3ntStorm@users.noreply.github.com>
Date: Mon, 13 Sep 2021 21:27:49 +0200
Subject: [PATCH] Fix warning about unary minus operator (#8929)

---
 src/google/protobuf/compiler/parser.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/google/protobuf/compiler/parser.cc b/src/google/protobuf/compiler/parser.cc
index afe9d4ff08..49ddfceb1a 100644
--- a/src/google/protobuf/compiler/parser.cc
+++ b/src/google/protobuf/compiler/parser.cc
@@ -1549,7 +1549,7 @@ bool Parser::ParseOption(Message* options,
           value_location.AddPath(
               UninterpretedOption::kNegativeIntValueFieldNumber);
           uninterpreted_option->set_negative_int_value(
-              static_cast<int64_t>(-value));
+              static_cast<int64_t>(0 - value));
         } else {
           value_location.AddPath(
               UninterpretedOption::kPositiveIntValueFieldNumber);