Fix warning about unary minus operator (#8929)

3 years ago · 8c7e082920
parent d6699989ab
commit 8c7e082920
1 changed files with 1 additions and 1 deletions
--- 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);