Export of internal Abseil changes

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35df3686d19c2864fea8796e109c76e179c3375e by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 401769948

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fcfe13483862a7c11c0bee789ca8d6f47d31860a by Derek Mauro <dmauro@google.com>:

Update Google Benchmark dependency

PiperOrigin-RevId: 401528577
GitOrigin-RevId: 35df3686d19c2864fea8796e109c76e179c3375e
Change-Id: I7a5123ea37de10e5bde9c9c74faa7e43d80490ca

WORKSPACE

@@ -29,10 +29,10 @@ http_archive(
 
 # Google benchmark.
 http_archive(
-    name = "com_github_google_benchmark",  # 2021-07-01T09:02:54Z
-    sha256 = "1cb4b97a90aa1fd9c8e412a6bc29fc13fc140162a4a0db3811af40befd8c9ea5",
-    strip_prefix = "benchmark-e451e50e9b8af453f076dec10bd6890847f1624e",
-    urls = ["https://github.com/google/benchmark/archive/e451e50e9b8af453f076dec10bd6890847f1624e.zip"],
+    name = "com_github_google_benchmark",  # 2021-09-20T09:19:51Z
+    sha256 = "62e2f2e6d8a744d67e4bbc212fcfd06647080de4253c97ad5c6749e09faf2cb0",
+    strip_prefix = "benchmark-0baacde3618ca617da95375e0af13ce1baadea47",
+    urls = ["https://github.com/google/benchmark/archive/0baacde3618ca617da95375e0af13ce1baadea47.zip"],
 )
 
 # C++ rules for Bazel.

absl/synchronization/mutex_benchmark.cc

@@ -97,7 +97,7 @@ void BM_MutexEnqueue(benchmark::State& state) {
   // Mutex queueing behavior is modified.
   const bool multiple_priorities = state.range(0);
   ScopedThreadMutexPriority priority_setter(
-      (multiple_priorities && state.thread_index != 0) ? 1 : 0);
+      (multiple_priorities && state.thread_index() != 0) ? 1 : 0);
 
   struct Shared {
     absl::Mutex mu;
@@ -176,7 +176,7 @@ BENCHMARK(BM_MutexEnqueue)
 
 template <typename MutexType>
 void BM_Contended(benchmark::State& state) {
-  int priority = state.thread_index % state.range(1);
+  int priority = state.thread_index() % state.range(1);
   ScopedThreadMutexPriority priority_setter(priority);
 
   struct Shared {
@@ -196,7 +196,7 @@ void BM_Contended(benchmark::State& state) {
     // To achieve this amount of local work is multiplied by number of threads
     // to keep ratio between local work and critical section approximately
     // equal regardless of number of threads.
-    DelayNs(100 * state.threads, &local);
+    DelayNs(100 * state.threads(), &local);
     RaiiLocker<MutexType> locker(&shared->mu);
     DelayNs(state.range(0), &shared->data);
   }