Changes imported from Abseil "staging" branch:

- 5677afe8f626bb9db6d8bf9f25ba3d835ffa12d6 Internal TSAN bookkeeping change. by Greg Falcon <gfalcon@google.com>
  - c7492bad6fe6c8f106d3fcb1f8a939ea73b1a962 MSVC fix. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 5677afe8f626bb9db6d8bf9f25ba3d835ffa12d6
Change-Id: I1b8497508c8005a094824b4ccf9b220812b81bdb

absl/algorithm/container.h

@@ -69,6 +69,12 @@ using std::end;
 template <typename C>
 using ContainerIter = decltype(begin(std::declval<C&>()));
 
+// An MSVC bug involving template parameter substitution requires us to use
+// decltype() here instead of just std::pair.
+template <typename C1, typename C2>
+using ContainerIterPairType =
+    decltype(std::make_pair(ContainerIter<C1>(), ContainerIter<C2>()));
+
 template <typename C>
 using ContainerDifferenceType =
     decltype(std::distance(std::declval<ContainerIter<C>>(),
@@ -311,8 +317,7 @@ container_algorithm_internal::ContainerDifferenceType<const C> c_count_if(
 // Container-based version of the <algorithm> `std::mismatchf()` function to
 // return the first element where two ordered containers differ.
 template <typename C1, typename C2>
-std::pair<container_algorithm_internal::ContainerIter<C1>,
-          container_algorithm_internal::ContainerIter<C2>>
+container_algorithm_internal::ContainerIterPairType<C1, C2>
 c_mismatch(C1& c1, C2& c2) {
   return std::mismatch(container_algorithm_internal::c_begin(c1),
                        container_algorithm_internal::c_end(c1),
@@ -322,8 +327,7 @@ c_mismatch(C1& c1, C2& c2) {
 // Overload of c_mismatch() for using a predicate evaluation other than `==` as
 // the function's test condition.
 template <typename C1, typename C2, typename BinaryPredicate>
-std::pair<container_algorithm_internal::ContainerIter<C1>,
-          container_algorithm_internal::ContainerIter<C2>>
+container_algorithm_internal::ContainerIterPairType<C1, C2>
 c_mismatch(C1& c1, C2& c2, BinaryPredicate&& pred) {
   return std::mismatch(container_algorithm_internal::c_begin(c1),
                        container_algorithm_internal::c_end(c1),
@@ -869,7 +873,7 @@ void c_stable_sort(C& c, Compare&& comp) {
 // c_is_sorted()
 //
 // Container-based version of the <algorithm> `std::is_sorted()` function
-// to evaluate whether the given containter is sorted in ascending order.
+// to evaluate whether the given container is sorted in ascending order.
 template <typename C>
 bool c_is_sorted(const C& c) {
   return std::is_sorted(container_algorithm_internal::c_begin(c),
@@ -1042,8 +1046,7 @@ container_algorithm_internal::ContainerIter<Sequence> c_upper_bound(
 // to return an iterator pair pointing to the first and last elements in a
 // sorted container which compare equal to `value`.
 template <typename Sequence, typename T>
-std::pair<container_algorithm_internal::ContainerIter<Sequence>,
-          container_algorithm_internal::ContainerIter<Sequence>>
+container_algorithm_internal::ContainerIterPairType<Sequence, Sequence>
 c_equal_range(Sequence& sequence, T&& value) {
   return std::equal_range(container_algorithm_internal::c_begin(sequence),
                           container_algorithm_internal::c_end(sequence),
@@ -1053,8 +1056,7 @@ c_equal_range(Sequence& sequence, T&& value) {
 // Overload of c_equal_range() for performing a `comp` comparison other than
 // the default `operator<`.
 template <typename Sequence, typename T, typename Compare>
-std::pair<container_algorithm_internal::ContainerIter<Sequence>,
-          container_algorithm_internal::ContainerIter<Sequence>>
+container_algorithm_internal::ContainerIterPairType<Sequence, Sequence>
 c_equal_range(Sequence& sequence, T&& value, Compare&& comp) {
   return std::equal_range(container_algorithm_internal::c_begin(sequence),
                           container_algorithm_internal::c_end(sequence),
@@ -1437,8 +1439,7 @@ container_algorithm_internal::ContainerIter<Sequence> c_max_element(
 // smallest and largest values, respectively, using `operator<` to make the
 // comparisons.
 template <typename C>
-std::pair<container_algorithm_internal::ContainerIter<C>,
-          container_algorithm_internal::ContainerIter<C>>
+container_algorithm_internal::ContainerIterPairType<C, C>
 c_minmax_element(C& c) {
   return std::minmax_element(container_algorithm_internal::c_begin(c),
                              container_algorithm_internal::c_end(c));
@@ -1447,8 +1448,7 @@ c_minmax_element(C& c) {
 // Overload of c_minmax_element() for performing `comp` comparisons other than
 // `operator<`.
 template <typename C, typename Compare>
-std::pair<container_algorithm_internal::ContainerIter<C>,
-          container_algorithm_internal::ContainerIter<C>>
+container_algorithm_internal::ContainerIterPairType<C, C>
 c_minmax_element(C& c, Compare&& comp) {
   return std::minmax_element(container_algorithm_internal::c_begin(c),
                              container_algorithm_internal::c_end(c),

absl/base/internal/spinlock.cc

@@ -91,12 +91,12 @@ static inline bool IsCooperative(
 // Uncommon constructors.
 SpinLock::SpinLock(base_internal::SchedulingMode mode)
     : lockword_(IsCooperative(mode) ? kSpinLockCooperative : 0) {
-  ABSL_TSAN_MUTEX_CREATE(this, 0);
+  ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_not_static);
 }
 
 SpinLock::SpinLock(base_internal::LinkerInitialized,
                    base_internal::SchedulingMode mode) {
-  ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_linker_init);
+  ABSL_TSAN_MUTEX_CREATE(this, 0);
   if (IsCooperative(mode)) {
     InitLinkerInitializedAndCooperative();
   }

absl/base/internal/spinlock.h

@@ -50,7 +50,7 @@ namespace base_internal {
 class LOCKABLE SpinLock {
  public:
   SpinLock() : lockword_(kSpinLockCooperative) {
-    ABSL_TSAN_MUTEX_CREATE(this, 0);
+    ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_not_static);
   }
 
   // Special constructor for use with static SpinLock objects.  E.g.,
@@ -64,7 +64,7 @@ class LOCKABLE SpinLock {
   // initializers run.
   explicit SpinLock(base_internal::LinkerInitialized) {
     // Does nothing; lockword_ is already initialized
-    ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_linker_init);
+    ABSL_TSAN_MUTEX_CREATE(this, 0);
   }
 
   // Constructors that allow non-cooperative spinlocks to be created for use
@@ -73,7 +73,7 @@ class LOCKABLE SpinLock {
   SpinLock(base_internal::LinkerInitialized,
            base_internal::SchedulingMode mode);
 
-  ~SpinLock() { ABSL_TSAN_MUTEX_DESTROY(this, 0); }
+  ~SpinLock() { ABSL_TSAN_MUTEX_DESTROY(this, __tsan_mutex_not_static); }
 
   // Acquire this SpinLock.
   inline void Lock() EXCLUSIVE_LOCK_FUNCTION() {

absl/synchronization/mutex.cc

@@ -675,7 +675,7 @@ static unsigned TsanFlags(Mutex::MuHow how) {
 #endif
 
 Mutex::Mutex() : mu_(0) {
-  ABSL_TSAN_MUTEX_CREATE(this, 0);
+  ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_not_static);
 }
 
 static bool DebugOnlyIsExiting() {
@@ -690,7 +690,7 @@ Mutex::~Mutex() {
   if (kDebugMode) {
     this->ForgetDeadlockInfo();
   }
-  ABSL_TSAN_MUTEX_DESTROY(this, 0);
+  ABSL_TSAN_MUTEX_DESTROY(this, __tsan_mutex_not_static);
 }
 
 void Mutex::EnableDebugLog(const char *name) {