Avoid compiler warning about comparison. (#7768)

dmlc · Mar 31, 2022 · 6fa1afd · 6fa1afd
1 parent 522636c
commit 6fa1afd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/common/json.cc b/src/common/json.cc
@@ -923,7 +923,7 @@ void WriteTypedArray(JsonTypedArray<T, kind> const* arr, std::vector<char>* stre
   auto s = stream->size();
   stream->resize(s + arr->Size() * sizeof(T));
   auto const& vec = arr->GetArray();
-  for (size_t i = 0; i < n; ++i) {
+  for (int64_t i = 0; i < n; ++i) {
     auto v = ToBigEndian(vec[i]);
     std::memcpy(stream->data() + s, &v, sizeof(v));
     s += sizeof(v);