1 files changed, 12 insertions, 0 deletions
diff --git a/absl/strings/internal/str_format/arg.cc b/absl/strings/internal/str_format/arg.cc
index b40be8ff3824..b567a5c5bcf0 100644
--- a/absl/strings/internal/str_format/arg.cc
+++ b/absl/strings/internal/str_format/arg.cc
@@ -32,6 +32,10 @@ void ReducePadding(size_t n, size_t *capacity) {
 template <typename T>
 struct MakeUnsigned : std::make_unsigned<T> {};
 template <>
+struct MakeUnsigned<absl::int128> {
+  using type = absl::uint128;
+};
+template <>
 struct MakeUnsigned<absl::uint128> {
   using type = absl::uint128;
 };
@@ -39,6 +43,8 @@ struct MakeUnsigned<absl::uint128> {
 template <typename T>
 struct IsSigned : std::is_signed<T> {};
 template <>
+struct IsSigned<absl::int128> : std::true_type {};
+template <>
 struct IsSigned<absl::uint128> : std::false_type {};
 
 class ConvertedIntInfo {
@@ -363,6 +369,11 @@ IntegralConvertResult FormatConvertImpl(unsigned long long v,  // NOLINT
                                         FormatSinkImpl *sink) {
   return {ConvertIntArg(v, conv, sink)};
 }
+IntegralConvertResult FormatConvertImpl(absl::int128 v,
+                                        const ConversionSpec conv,
+                                        FormatSinkImpl *sink) {
+  return {ConvertIntArg(v, conv, sink)};
+}
 IntegralConvertResult FormatConvertImpl(absl::uint128 v,
                                         const ConversionSpec conv,
                                         FormatSinkImpl *sink) {
@@ -372,6 +383,7 @@ IntegralConvertResult FormatConvertImpl(absl::uint128 v,
 ABSL_INTERNAL_FORMAT_DISPATCH_OVERLOADS_EXPAND_();
 
 
+
 }  // namespace str_format_internal
 
 }  // namespace absl