add cast to avoid compiler warning

15 years ago · 15b675eea5
parent d09ab8538d
commit 15b675eea5
1 changed files with 2 additions and 1 deletions
--- a/src/google/protobuf/compiler/parser.cc
+++ b/src/google/protobuf/compiler/parser.cc
@ -720,7 +720,8 @@ bool Parser::ParseOptionAssignment(Message* options) {
          is_negative ? static_cast<uint64>(kint64max) + 1 : kuint64max;
      DO(ConsumeInteger64(max_value, &value, "Expected integer."));
      if (is_negative) {
-        uninterpreted_option->set_negative_int_value(-value);
+        uninterpreted_option->set_negative_int_value(
+            -static_cast<int64>(value));
      } else {
        uninterpreted_option->set_positive_int_value(value);
      }