add cast to avoid compiler warning

15b675ee · kenton@google.com · d09ab853 · 15b675ee
Commit 15b675ee authored Apr 23, 2010 by kenton@google.com
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parser.cc src/google/protobuf/compiler/parser.cc +2 -1

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--- 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);
      }