2 files changed, 3 insertions, 3 deletions
diff --git a/absl/strings/internal/str_split_internal.h b/absl/strings/internal/str_split_internal.h
index 6f5bc095..49ec5392 100644
--- a/absl/strings/internal/str_split_internal.h
+++ b/absl/strings/internal/str_split_internal.h
@@ -336,7 +336,7 @@ class Splitter {
     Container operator()(const Splitter& splitter) const {
       Container c;
       auto it = std::inserter(c, c.end());
-      for (const auto sp : splitter) {
+      for (const auto& sp : splitter) {
         *it++ = ValueType(sp);
       }
       return c;
@@ -401,7 +401,7 @@ class Splitter {
       Container m;
       typename Container::iterator it;
       bool insert = true;
-      for (const auto sp : splitter) {
+      for (const auto& sp : splitter) {
         if (insert) {
           it = Inserter<Container>::Insert(&m, First(sp), Second());
         } else {
diff --git a/absl/strings/str_split_test.cc b/absl/strings/str_split_test.cc
index b5ce68de..7f7c097f 100644
--- a/absl/strings/str_split_test.cc
+++ b/absl/strings/str_split_test.cc
@@ -367,7 +367,7 @@ TEST(SplitIterator, EqualityAsEndCondition) {
 TEST(Splitter, RangeIterators) {
   auto splitter = absl::StrSplit("a,b,c", ',');
   std::vector<absl::string_view> output;
-  for (const absl::string_view p : splitter) {
+  for (const absl::string_view& p : splitter) {
     output.push_back(p);
   }
   EXPECT_THAT(output, ElementsAre("a", "b", "c"));