merge(3p/absl): subtree merge of Abseil up to e19260f r/1889

... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f

1 files changed, 2 insertions, 2 deletions

diff --git a/third_party/abseil_cpp/absl/strings/str_split_test.cc b/third_party/abseil_cpp/absl/strings/str_split_test.cc
index fcd58d2ee8..7f7c097fae 100644
--- a/third_party/abseil_cpp/absl/strings/str_split_test.cc
+++ b/third_party/abseil_cpp/absl/strings/str_split_test.cc
@@ -27,7 +27,7 @@
 
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
-#include "absl/base/dynamic_annotations.h"  // for RunningOnValgrind
+#include "absl/base/dynamic_annotations.h"
 #include "absl/base/macros.h"
 #include "absl/container/flat_hash_map.h"
 #include "absl/container/node_hash_map.h"
@@ -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"));