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-rw-r--r--third_party/abseil_cpp/absl/synchronization/lifetime_test.cc181
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diff --git a/third_party/abseil_cpp/absl/synchronization/lifetime_test.cc b/third_party/abseil_cpp/absl/synchronization/lifetime_test.cc
deleted file mode 100644
index cc973a3290..0000000000
--- a/third_party/abseil_cpp/absl/synchronization/lifetime_test.cc
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@@ -1,181 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <cstdlib>
-#include <thread>  // NOLINT(build/c++11), Abseil test
-#include <type_traits>
-
-#include "absl/base/attributes.h"
-#include "absl/base/const_init.h"
-#include "absl/base/internal/raw_logging.h"
-#include "absl/base/thread_annotations.h"
-#include "absl/synchronization/mutex.h"
-#include "absl/synchronization/notification.h"
-
-namespace {
-
-// A two-threaded test which checks that Mutex, CondVar, and Notification have
-// correct basic functionality.  The intent is to establish that they
-// function correctly in various phases of construction and destruction.
-//
-// Thread one acquires a lock on 'mutex', wakes thread two via 'notification',
-// then waits for 'state' to be set, as signalled by 'condvar'.
-//
-// Thread two waits on 'notification', then sets 'state' inside the 'mutex',
-// signalling the change via 'condvar'.
-//
-// These tests use ABSL_RAW_CHECK to validate invariants, rather than EXPECT or
-// ASSERT from gUnit, because we need to invoke them during global destructors,
-// when gUnit teardown would have already begun.
-void ThreadOne(absl::Mutex* mutex, absl::CondVar* condvar,
-               absl::Notification* notification, bool* state) {
-  // Test that the notification is in a valid initial state.
-  ABSL_RAW_CHECK(!notification->HasBeenNotified(), "invalid Notification");
-  ABSL_RAW_CHECK(*state == false, "*state not initialized");
-
-  {
-    absl::MutexLock lock(mutex);
-
-    notification->Notify();
-    ABSL_RAW_CHECK(notification->HasBeenNotified(), "invalid Notification");
-
-    while (*state == false) {
-      condvar->Wait(mutex);
-    }
-  }
-}
-
-void ThreadTwo(absl::Mutex* mutex, absl::CondVar* condvar,
-               absl::Notification* notification, bool* state) {
-  ABSL_RAW_CHECK(*state == false, "*state not initialized");
-
-  // Wake thread one
-  notification->WaitForNotification();
-  ABSL_RAW_CHECK(notification->HasBeenNotified(), "invalid Notification");
-  {
-    absl::MutexLock lock(mutex);
-    *state = true;
-    condvar->Signal();
-  }
-}
-
-// Launch thread 1 and thread 2, and block on their completion.
-// If any of 'mutex', 'condvar', or 'notification' is nullptr, use a locally
-// constructed instance instead.
-void RunTests(absl::Mutex* mutex, absl::CondVar* condvar) {
-  absl::Mutex default_mutex;
-  absl::CondVar default_condvar;
-  absl::Notification notification;
-  if (!mutex) {
-    mutex = &default_mutex;
-  }
-  if (!condvar) {
-    condvar = &default_condvar;
-  }
-  bool state = false;
-  std::thread thread_one(ThreadOne, mutex, condvar, &notification, &state);
-  std::thread thread_two(ThreadTwo, mutex, condvar, &notification, &state);
-  thread_one.join();
-  thread_two.join();
-}
-
-void TestLocals() {
-  absl::Mutex mutex;
-  absl::CondVar condvar;
-  RunTests(&mutex, &condvar);
-}
-
-// Normal kConstInit usage
-ABSL_CONST_INIT absl::Mutex const_init_mutex(absl::kConstInit);
-void TestConstInitGlobal() { RunTests(&const_init_mutex, nullptr); }
-
-// Global variables during start and termination
-//
-// In a translation unit, static storage duration variables are initialized in
-// the order of their definitions, and destroyed in the reverse order of their
-// definitions.  We can use this to arrange for tests to be run on these objects
-// before they are created, and after they are destroyed.
-
-using Function = void (*)();
-
-class OnConstruction {
- public:
-  explicit OnConstruction(Function fn) { fn(); }
-};
-
-class OnDestruction {
- public:
-  explicit OnDestruction(Function fn) : fn_(fn) {}
-  ~OnDestruction() { fn_(); }
- private:
-  Function fn_;
-};
-
-// These tests require that the compiler correctly supports C++11 constant
-// initialization... but MSVC has a known regression since v19.10:
-// https://developercommunity.visualstudio.com/content/problem/336946/class-with-constexpr-constructor-not-using-static.html
-// TODO(epastor): Limit the affected range once MSVC fixes this bug.
-#if defined(__clang__) || !(defined(_MSC_VER) && _MSC_VER > 1900)
-// kConstInit
-// Test early usage.  (Declaration comes first; definitions must appear after
-// the test runner.)
-extern absl::Mutex early_const_init_mutex;
-// (Normally I'd write this +[], to make the cast-to-function-pointer explicit,
-// but in some MSVC setups we support, lambdas provide conversion operators to
-// different flavors of function pointers, making this trick ambiguous.)
-OnConstruction test_early_const_init([] {
-  RunTests(&early_const_init_mutex, nullptr);
-});
-// This definition appears before test_early_const_init, but it should be
-// initialized first (due to constant initialization).  Test that the object
-// actually works when constructed this way.
-ABSL_CONST_INIT absl::Mutex early_const_init_mutex(absl::kConstInit);
-
-// Furthermore, test that the const-init c'tor doesn't stomp over the state of
-// a Mutex.  Really, this is a test that the platform under test correctly
-// supports C++11 constant initialization.  (The constant-initialization
-// constructors of globals "happen at link time"; memory is pre-initialized,
-// before the constructors of either grab_lock or check_still_locked are run.)
-extern absl::Mutex const_init_sanity_mutex;
-OnConstruction grab_lock([]() ABSL_NO_THREAD_SAFETY_ANALYSIS {
-  const_init_sanity_mutex.Lock();
-});
-ABSL_CONST_INIT absl::Mutex const_init_sanity_mutex(absl::kConstInit);
-OnConstruction check_still_locked([]() ABSL_NO_THREAD_SAFETY_ANALYSIS {
-  const_init_sanity_mutex.AssertHeld();
-  const_init_sanity_mutex.Unlock();
-});
-#endif  // defined(__clang__) || !(defined(_MSC_VER) && _MSC_VER > 1900)
-
-// Test shutdown usage.  (Declarations come first; definitions must appear after
-// the test runner.)
-extern absl::Mutex late_const_init_mutex;
-// OnDestruction is being used here as a global variable, even though it has a
-// non-trivial destructor.  This is against the style guide.  We're violating
-// that rule here to check that the exception we allow for kConstInit is safe.
-// NOLINTNEXTLINE
-OnDestruction test_late_const_init([] {
-  RunTests(&late_const_init_mutex, nullptr);
-});
-ABSL_CONST_INIT absl::Mutex late_const_init_mutex(absl::kConstInit);
-
-}  // namespace
-
-int main() {
-  TestLocals();
-  TestConstInitGlobal();
-  // Explicitly call exit(0) here, to make it clear that we intend for the
-  // above global object destructors to run.
-  std::exit(0);
-}