Changes imported from Abseil "staging" branch:

  - 5d8235b05f4ea2b33a138712f463a30b6ae75719 Incorporate PR https://github.com/abseil/abseil-cpp/pull/... by Xiaoyi Zhang <zhangxy@google.com>
  - f2bc653acdaa983aa2765693476c17cd1142d59b Run the StrSplit WorksWithLargeStrings test in all configs. by Matt Armstrong <marmstrong@google.com>
  - 43aed1ea7dffcd656e1916c2d5637650fc3a8de3 Incorporate PR https://github.com/abseil/abseil-cpp/pull/... by Xiaoyi Zhang <zhangxy@google.com>
  - d58511d60904c7090e44638339ba63b97ca96f1a Add a new simple Mutex lifetime test, to be extended later. by Greg Falcon <gfalcon@google.com>
  - db5c86c186c09ad57963bcbd2b6182f62bce8ed0 Actually use the exception in TestCheckerAtCountdown by Jon Cohen <cohenjon@google.com>
  - 29c01a72b62d9a4b90f9bd935e3575adbafd85ed Use factories instead of explicitly passing pointers to T... by Jon Cohen <cohenjon@google.com>
  - 54d5526ee6ab7784992845f6e6e2c7d48ba008a5 Fix uint128 ostream operator and improve ostream test. by Alex Strelnikov <strel@google.com>
  - 4e49abe7e569cf6bd0eae95ce2b2fe2faa051fa2 Fix documentation: strings::PairFormatter -> absl::PairFo... by Derek Mauro <dmauro@google.com>
  - 4044297f0e1a8a6c6ae3f781a65080e0d57c6751 Cut the memory used by the StrSplit WorksWithLargeStrings... by Jorg Brown <jorg@google.com>

GitOrigin-RevId: 5d8235b05f4ea2b33a138712f463a30b6ae75719
Change-Id: Ib6b6b0161c26e5326b53a126454754e33678eefc

2 files changed, 8 insertions, 11 deletions

diff --git a/absl/strings/str_join.h b/absl/strings/str_join.h
index 82a3cac2dcbb..47337490d0bf 100644
--- a/absl/strings/str_join.h
+++ b/absl/strings/str_join.h
@@ -208,11 +208,11 @@ DereferenceFormatter() {
 //   // Joins a `std::map`, with each key-value pair separated by an equals
 //   // sign. This pattern would also work with, say, a
 //   // `std::vector<std::pair<>>`.
-//    std::map<std::string, int> m = {
-//        std::make_pair("a", 1),
-//        std::make_pair("b", 2),
-//        std::make_pair("c", 3)};
-//   std::string s = absl::StrJoin(m, ",", strings::PairFormatter("="));
+//   std::map<std::string, int> m = {
+//       std::make_pair("a", 1),
+//       std::make_pair("b", 2),
+//       std::make_pair("c", 3)};
+//   std::string s = absl::StrJoin(m, ",", absl::PairFormatter("="));
 //   EXPECT_EQ("a=1,b=2,c=3", s);
 //
 // Example 7:
diff --git a/absl/strings/str_split_test.cc b/absl/strings/str_split_test.cc
index 22a68d0f8339..9c79d7dcd0bf 100644
--- a/absl/strings/str_split_test.cc
+++ b/absl/strings/str_split_test.cc
@@ -857,12 +857,10 @@ TEST(Delimiter, ByLength) {
   EXPECT_FALSE(IsFoundAt("abcd", four_char_delim, 0));
 }
 
-// Allocates too much memory for TSan and MSan.
-#if !defined(THREAD_SANITIZER) && !defined(MEMORY_SANITIZER)
 TEST(Split, WorksWithLargeStrings) {
-  if (sizeof(size_t) > 4 && !RunningOnValgrind()) {
-    std::string s(1ULL << 31, 'x');
-    s.push_back('-');  // 2G + 1 byte
+  if (sizeof(size_t) > 4) {
+    std::string s((uint32_t{1} << 31) + 1, 'x');  // 2G + 1 byte
+    s.back() = '-';
     std::vector<absl::string_view> v = absl::StrSplit(s, '-');
     EXPECT_EQ(2, v.size());
     // The first element will contain 2G of 'x's.
@@ -873,7 +871,6 @@ TEST(Split, WorksWithLargeStrings) {
     EXPECT_EQ("", v[1]);
   }
 }
-#endif  // THREAD_SANITIZER
 
 TEST(SplitInternalTest, TypeTraits) {
   EXPECT_FALSE(absl::strings_internal::HasMappedType<int>::value);