diff --git a/BUILD.gn b/BUILD.gn
index 81af323..6433803 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -190,17 +190,19 @@
         "absl/hash:low_level_hash_test",
         "absl/memory:memory_test",
         "absl/meta:type_traits_test",
+        "absl/profiling:exponential_biased_test",
+        "absl/profiling:periodic_sampler_test",
         "absl/status:statusor_test",
         "absl/strings:ascii_test",
-        "absl/strings:cord_rep_btree_test",
+        "absl/strings:cord_rep_btree_navigator_test",
         "absl/strings:cord_rep_btree_reader_test",
+        "absl/strings:cord_rep_btree_test",
         "absl/strings:cord_rep_consume_test",
         "absl/strings:cordz_functions_test",
         "absl/strings:cordz_info_statistics_test",
         "absl/strings:cordz_info_test",
         "absl/strings:cordz_test",
         "absl/strings:cordz_update_scope_test",
-        "absl/strings:cord_rep_btree_navigator_test",
         "absl/strings:cordz_update_tracker_test",
         "absl/strings:match_test",
         "absl/strings:str_replace_test",
diff --git a/CMake/AbseilDll.cmake b/CMake/AbseilDll.cmake
index 056343e..fa323ff 100644
--- a/CMake/AbseilDll.cmake
+++ b/CMake/AbseilDll.cmake
@@ -17,8 +17,6 @@
   "base/internal/dynamic_annotations.h"
   "base/internal/endian.h"
   "base/internal/errno_saver.h"
-  "base/internal/exponential_biased.cc"
-  "base/internal/exponential_biased.h"
   "base/internal/fast_type_id.h"
   "base/internal/hide_ptr.h"
   "base/internal/identity.h"
@@ -28,8 +26,6 @@
   "base/internal/low_level_alloc.h"
   "base/internal/low_level_scheduling.h"
   "base/internal/per_thread_tls.h"
-  "base/internal/periodic_sampler.cc"
-  "base/internal/periodic_sampler.h"
   "base/internal/pretty_function.h"
   "base/internal/raw_logging.cc"
   "base/internal/raw_logging.h"
@@ -133,6 +129,10 @@
   "numeric/int128.h"
   "numeric/internal/bits.h"
   "numeric/internal/representation.h"
+  "profiling/internal/exponential_biased.cc"
+  "profiling/internal/exponential_biased.h"
+  "profiling/internal/periodic_sampler.cc"
+  "profiling/internal/periodic_sampler.h"
   "profiling/internal/sample_recorder.h"
   "random/bernoulli_distribution.h"
   "random/beta_distribution.h"
diff --git a/README.chromium b/README.chromium
index 9b320e0..965a12e 100644
--- a/README.chromium
+++ b/README.chromium
@@ -4,7 +4,7 @@
 License: Apache 2.0
 License File: LICENSE
 Version: 0
-Revision: b9b925341f9e90f5e7aa0cf23f036c29c7e454eb
+Revision: d6f40f4e1f424677a88eee1dade4f3ae2ea5f743
 Security Critical: yes
 
 Description:
diff --git a/WORKSPACE b/WORKSPACE
index af30787..84ab3ed 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -29,10 +29,10 @@
 
 # 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.
diff --git a/absl/base/BUILD.bazel b/absl/base/BUILD.bazel
index d6fbf35..354a2d8 100644
--- a/absl/base/BUILD.bazel
+++ b/absl/base/BUILD.bazel
@@ -588,75 +588,6 @@
 )
 
 cc_library(
-    name = "exponential_biased",
-    srcs = ["internal/exponential_biased.cc"],
-    hdrs = ["internal/exponential_biased.h"],
-    linkopts = ABSL_DEFAULT_LINKOPTS,
-    visibility = [
-        "//absl:__subpackages__",
-    ],
-    deps = [
-        ":config",
-        ":core_headers",
-    ],
-)
-
-cc_test(
-    name = "exponential_biased_test",
-    size = "small",
-    srcs = ["internal/exponential_biased_test.cc"],
-    copts = ABSL_TEST_COPTS,
-    linkopts = ABSL_DEFAULT_LINKOPTS,
-    visibility = ["//visibility:private"],
-    deps = [
-        ":exponential_biased",
-        "//absl/strings",
-        "@com_google_googletest//:gtest_main",
-    ],
-)
-
-cc_library(
-    name = "periodic_sampler",
-    srcs = ["internal/periodic_sampler.cc"],
-    hdrs = ["internal/periodic_sampler.h"],
-    copts = ABSL_DEFAULT_COPTS,
-    linkopts = ABSL_DEFAULT_LINKOPTS,
-    deps = [
-        ":core_headers",
-        ":exponential_biased",
-    ],
-)
-
-cc_test(
-    name = "periodic_sampler_test",
-    size = "small",
-    srcs = ["internal/periodic_sampler_test.cc"],
-    copts = ABSL_TEST_COPTS,
-    linkopts = ABSL_DEFAULT_LINKOPTS,
-    visibility = ["//visibility:private"],
-    deps = [
-        ":core_headers",
-        ":periodic_sampler",
-        "@com_google_googletest//:gtest_main",
-    ],
-)
-
-cc_binary(
-    name = "periodic_sampler_benchmark",
-    testonly = 1,
-    srcs = ["internal/periodic_sampler_benchmark.cc"],
-    copts = ABSL_TEST_COPTS,
-    linkopts = ABSL_DEFAULT_LINKOPTS,
-    tags = ["benchmark"],
-    visibility = ["//visibility:private"],
-    deps = [
-        ":core_headers",
-        ":periodic_sampler",
-        "@com_github_google_benchmark//:benchmark_main",
-    ],
-)
-
-cc_library(
     name = "scoped_set_env",
     testonly = 1,
     srcs = ["internal/scoped_set_env.cc"],
diff --git a/absl/base/BUILD.gn b/absl/base/BUILD.gn
index 9d9dfca..b415289 100644
--- a/absl/base/BUILD.gn
+++ b/absl/base/BUILD.gn
@@ -231,44 +231,19 @@
   ]
 }
 
-absl_source_set("exponential_biased") {
-  sources = [ "internal/exponential_biased.cc" ]
-  public = [ "internal/exponential_biased.h" ]
-  public_deps = [
-    ":config",
-    ":core_headers",
-  ]
-  visibility = [ "//third_party/abseil-cpp/absl/*" ]
-}
-
-absl_source_set("periodic_sampler") {
-  sources = [ "internal/periodic_sampler.cc" ]
-  public = [ "internal/periodic_sampler.h" ]
-  public_deps = [
-    ":core_headers",
-    ":exponential_biased",
-  ]
-}
-
 absl_source_set("scoped_set_env") {
   testonly = true
   public = [ "internal/scoped_set_env.h" ]
   sources = [ "internal/scoped_set_env.cc" ]
-  public_deps = [
-    ":config",
-  ]
-  deps = [
-    ":raw_logging_internal",
-  ]
+  public_deps = [ ":config" ]
+  deps = [ ":raw_logging_internal" ]
   visibility = [ "//third_party/abseil-cpp/absl/*" ]
 }
 
 absl_source_set("strerror") {
   sources = [ "internal/strerror.cc" ]
   public = [ "internal/strerror.h" ]
-  public_deps = [
-    ":config",
-  ]
+  public_deps = [ ":config" ]
   deps = [
     ":core_headers",
     ":errno_saver",
diff --git a/absl/base/CMakeLists.txt b/absl/base/CMakeLists.txt
index 7d56aa1..c7233cb 100644
--- a/absl/base/CMakeLists.txt
+++ b/absl/base/CMakeLists.txt
@@ -521,60 +521,6 @@
 
 absl_cc_library(
   NAME
-    exponential_biased
-  SRCS
-    "internal/exponential_biased.cc"
-  HDRS
-    "internal/exponential_biased.h"
-  COPTS
-    ${ABSL_DEFAULT_COPTS}
-  DEPS
-    absl::config
-    absl::core_headers
-)
-
-absl_cc_test(
-  NAME
-    exponential_biased_test
-  SRCS
-    "internal/exponential_biased_test.cc"
-  COPTS
-    ${ABSL_TEST_COPTS}
-  DEPS
-    absl::exponential_biased
-    absl::strings
-    GTest::gmock_main
-)
-
-absl_cc_library(
-  NAME
-    periodic_sampler
-  SRCS
-    "internal/periodic_sampler.cc"
-  HDRS
-    "internal/periodic_sampler.h"
-  COPTS
-    ${ABSL_DEFAULT_COPTS}
-  DEPS
-    absl::core_headers
-    absl::exponential_biased
-)
-
-absl_cc_test(
-  NAME
-    periodic_sampler_test
-  SRCS
-    "internal/periodic_sampler_test.cc"
-  COPTS
-    ${ABSL_TEST_COPTS}
-  DEPS
-    absl::core_headers
-    absl::periodic_sampler
-    GTest::gmock_main
-)
-
-absl_cc_library(
-  NAME
     scoped_set_env
   SRCS
     "internal/scoped_set_env.cc"
diff --git a/absl/base/internal/spinlock.h b/absl/base/internal/spinlock.h
index c73b5e0..ac40daf 100644
--- a/absl/base/internal/spinlock.h
+++ b/absl/base/internal/spinlock.h
@@ -16,13 +16,15 @@
 
 //  Most users requiring mutual exclusion should use Mutex.
 //  SpinLock is provided for use in two situations:
-//   - for use in code that Mutex itself depends on
+//   - for use by Abseil internal code that Mutex itself depends on
 //   - for async signal safety (see below)
 
 // SpinLock is async signal safe.  If a spinlock is used within a signal
 // handler, all code that acquires the lock must ensure that the signal cannot
 // arrive while they are holding the lock.  Typically, this is done by blocking
 // the signal.
+//
+// Threads waiting on a SpinLock may be woken in an arbitrary order.
 
 #ifndef ABSL_BASE_INTERNAL_SPINLOCK_H_
 #define ABSL_BASE_INTERNAL_SPINLOCK_H_
diff --git a/absl/base/internal/spinlock_wait.h b/absl/base/internal/spinlock_wait.h
index 579bd09..9a1adcd 100644
--- a/absl/base/internal/spinlock_wait.h
+++ b/absl/base/internal/spinlock_wait.h
@@ -39,6 +39,8 @@
 // satisfying 0<=i<n && trans[i].done, atomically make the transition,
 // then return the old value of *w.   Make any other atomic transitions
 // where !trans[i].done, but continue waiting.
+//
+// Wakeups for threads blocked on SpinLockWait do not respect priorities.
 uint32_t SpinLockWait(std::atomic<uint32_t> *w, int n,
                       const SpinLockWaitTransition trans[],
                       SchedulingMode scheduling_mode);
diff --git a/absl/container/BUILD.bazel b/absl/container/BUILD.bazel
index c9d387d..9e3bc06 100644
--- a/absl/container/BUILD.bazel
+++ b/absl/container/BUILD.bazel
@@ -510,9 +510,9 @@
         ":have_sse",
         "//absl/base",
         "//absl/base:core_headers",
-        "//absl/base:exponential_biased",
         "//absl/debugging:stacktrace",
         "//absl/memory",
+        "//absl/profiling:exponential_biased",
         "//absl/profiling:sample_recorder",
         "//absl/synchronization",
         "//absl/utility",
diff --git a/absl/container/BUILD.gn b/absl/container/BUILD.gn
index 4582d39..d57367e 100644
--- a/absl/container/BUILD.gn
+++ b/absl/container/BUILD.gn
@@ -172,9 +172,9 @@
     ":have_sse",
     "//third_party/abseil-cpp/absl/base",
     "//third_party/abseil-cpp/absl/base:core_headers",
-    "//third_party/abseil-cpp/absl/base:exponential_biased",
     "//third_party/abseil-cpp/absl/debugging:stacktrace",
     "//third_party/abseil-cpp/absl/memory",
+    "//third_party/abseil-cpp/absl/profiling:exponential_biased",
     "//third_party/abseil-cpp/absl/profiling:sample_recorder",
     "//third_party/abseil-cpp/absl/synchronization",
     "//third_party/abseil-cpp/absl/utility",
@@ -370,7 +370,7 @@
     "//third_party/abseil-cpp/absl/hash:hash_testing",
     "//third_party/abseil-cpp/absl/memory",
     "//third_party/abseil-cpp/absl/strings",
-    "//third_party/googletest:gtest",
     "//third_party/googletest:gmock",
+    "//third_party/googletest:gtest",
   ]
 }
diff --git a/absl/container/internal/hashtablez_sampler.cc b/absl/container/internal/hashtablez_sampler.cc
index 4b13370..7070912 100644
--- a/absl/container/internal/hashtablez_sampler.cc
+++ b/absl/container/internal/hashtablez_sampler.cc
@@ -21,10 +21,10 @@
 #include <limits>
 
 #include "absl/base/attributes.h"
-#include "absl/base/internal/exponential_biased.h"
 #include "absl/container/internal/have_sse.h"
 #include "absl/debugging/stacktrace.h"
 #include "absl/memory/memory.h"
+#include "absl/profiling/internal/exponential_biased.h"
 #include "absl/profiling/internal/sample_recorder.h"
 #include "absl/synchronization/mutex.h"
 
@@ -40,7 +40,7 @@
 ABSL_CONST_INIT std::atomic<int32_t> g_hashtablez_sample_parameter{1 << 10};
 
 #if defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE)
-ABSL_PER_THREAD_TLS_KEYWORD absl::base_internal::ExponentialBiased
+ABSL_PER_THREAD_TLS_KEYWORD absl::profiling_internal::ExponentialBiased
     g_exponential_biased_generator;
 #endif
 
diff --git a/absl/debugging/BUILD.bazel b/absl/debugging/BUILD.bazel
index b536a04..b503da5 100644
--- a/absl/debugging/BUILD.bazel
+++ b/absl/debugging/BUILD.bazel
@@ -183,6 +183,7 @@
     ],
     copts = ABSL_DEFAULT_COPTS,
     linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = ["//visibility:private"],
     deps = [
         "//absl/base:config",
         "//absl/base:core_headers",
@@ -197,6 +198,7 @@
     srcs = ["internal/demangle.cc"],
     hdrs = ["internal/demangle.h"],
     copts = ABSL_DEFAULT_COPTS,
+    visibility = ["//visibility:private"],
     deps = [
         "//absl/base",
         "//absl/base:config",
diff --git a/absl/debugging/BUILD.gn b/absl/debugging/BUILD.gn
index 8774b9a..ac7d318 100644
--- a/absl/debugging/BUILD.gn
+++ b/absl/debugging/BUILD.gn
@@ -96,6 +96,7 @@
     "internal/elf_mem_image.h",
     "internal/vdso_support.h",
   ]
+  visibility = [ ":*" ]
   deps = [
     "//third_party/abseil-cpp/absl/base:config",
     "//third_party/abseil-cpp/absl/base:core_headers",
@@ -108,6 +109,7 @@
 absl_source_set("demangle_internal") {
   sources = [ "internal/demangle.cc" ]
   public = [ "internal/demangle.h" ]
+  visibility = [ ":*" ]
   deps = [
     "//third_party/abseil-cpp/absl/base",
     "//third_party/abseil-cpp/absl/base:config",
diff --git a/absl/debugging/internal/elf_mem_image.h b/absl/debugging/internal/elf_mem_image.h
index 8647481..a894bd4 100644
--- a/absl/debugging/internal/elf_mem_image.h
+++ b/absl/debugging/internal/elf_mem_image.h
@@ -40,6 +40,10 @@
 
 #include <link.h>  // for ElfW
 
+#if defined(__FreeBSD__) && !defined(ElfW)
+#define ElfW(x) __ElfN(x)
+#endif
+
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace debugging_internal {
diff --git a/absl/debugging/internal/vdso_support.cc b/absl/debugging/internal/vdso_support.cc
index 0dfe9ca..977a9f6 100644
--- a/absl/debugging/internal/vdso_support.cc
+++ b/absl/debugging/internal/vdso_support.cc
@@ -50,6 +50,11 @@
 #define AT_SYSINFO_EHDR 33  // for crosstoolv10
 #endif
 
+#if defined(__FreeBSD__)
+using Elf64_auxv_t = Elf64_Auxinfo;
+using Elf32_auxv_t = Elf32_Auxinfo;
+#endif
+
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace debugging_internal {
diff --git a/absl/debugging/symbolize_elf.inc b/absl/debugging/symbolize_elf.inc
index 87dbd07..3ff343d 100644
--- a/absl/debugging/symbolize_elf.inc
+++ b/absl/debugging/symbolize_elf.inc
@@ -77,6 +77,10 @@
 #include "absl/debugging/internal/vdso_support.h"
 #include "absl/strings/string_view.h"
 
+#if defined(__FreeBSD__) && !defined(ElfW)
+#define ElfW(x) __ElfN(x)
+#endif
+
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 
diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h
index e5af0ac..b1e33ca 100644
--- a/absl/hash/internal/hash.h
+++ b/absl/hash/internal/hash.h
@@ -21,6 +21,7 @@
 
 #include <algorithm>
 #include <array>
+#include <bitset>
 #include <cmath>
 #include <cstring>
 #include <deque>
@@ -489,8 +490,9 @@
 
 // AbslHashValue for hashing std::vector
 //
-// Do not use this for vector<bool>. It does not have a .data(), and a fallback
-// for std::hash<> is most likely faster.
+// Do not use this for vector<bool> on platforms that have a working
+// implementation of std::hash. It does not have a .data(), and a fallback for
+// std::hash<> is most likely faster.
 template <typename H, typename T, typename Allocator>
 typename std::enable_if<is_hashable<T>::value && !std::is_same<T, bool>::value,
                         H>::type
@@ -500,6 +502,27 @@
                     vector.size());
 }
 
+#if defined(ABSL_IS_BIG_ENDIAN) && \
+    (defined(__GLIBCXX__) || defined(__GLIBCPP__))
+// AbslHashValue for hashing std::vector<bool>
+//
+// std::hash in libstdc++ does not work correctly with vector<bool> on Big
+// Endian platforms therefore we need to implement a custom AbslHashValue for
+// it. More details on the bug:
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102531
+template <typename H, typename T, typename Allocator>
+typename std::enable_if<is_hashable<T>::value && std::is_same<T, bool>::value,
+                        H>::type
+AbslHashValue(H hash_state, const std::vector<T, Allocator>& vector) {
+  typename H::AbslInternalPiecewiseCombiner combiner;
+  for (const auto& i : vector) {
+    unsigned char c = static_cast<unsigned char>(i);
+    hash_state = combiner.add_buffer(std::move(hash_state), &c, sizeof(c));
+  }
+  return H::combine(combiner.finalize(std::move(hash_state)), vector.size());
+}
+#endif
+
 // -----------------------------------------------------------------------------
 // AbslHashValue for Ordered Associative Containers
 // -----------------------------------------------------------------------------
@@ -592,9 +615,28 @@
 // AbslHashValue for Other Types
 // -----------------------------------------------------------------------------
 
-// AbslHashValue for hashing std::bitset is not defined, for the same reason as
-// for vector<bool> (see std::vector above): It does not expose the raw bytes,
-// and a fallback to std::hash<> is most likely faster.
+// AbslHashValue for hashing std::bitset is not defined on Little Endian
+// platforms, for the same reason as for vector<bool> (see std::vector above):
+// It does not expose the raw bytes, and a fallback to std::hash<> is most
+// likely faster.
+
+#if defined(ABSL_IS_BIG_ENDIAN) && \
+    (defined(__GLIBCXX__) || defined(__GLIBCPP__))
+// AbslHashValue for hashing std::bitset
+//
+// std::hash in libstdc++ does not work correctly with std::bitset on Big Endian
+// platforms therefore we need to implement a custom AbslHashValue for it. More
+// details on the bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102531
+template <typename H, size_t N>
+H AbslHashValue(H hash_state, const std::bitset<N>& set) {
+  typename H::AbslInternalPiecewiseCombiner combiner;
+  for (int i = 0; i < N; i++) {
+    unsigned char c = static_cast<unsigned char>(set[i]);
+    hash_state = combiner.add_buffer(std::move(hash_state), &c, sizeof(c));
+  }
+  return H::combine(combiner.finalize(std::move(hash_state)), N);
+}
+#endif
 
 // -----------------------------------------------------------------------------
 
diff --git a/absl/hash/internal/low_level_hash_test.cc b/absl/hash/internal/low_level_hash_test.cc
index cf22dc3..ae930b3 100644
--- a/absl/hash/internal/low_level_hash_test.cc
+++ b/absl/hash/internal/low_level_hash_test.cc
@@ -404,7 +404,55 @@
        uint64_t{0xc9ae5c8759b4877a}},
   };
 
-#if defined(__aarch64__)
+#if defined(ABSL_IS_BIG_ENDIAN)
+  constexpr uint64_t kGolden[kNumGoldenOutputs] = {
+      0xe5a40d39ab796423, 0x1766974bf7527d81, 0x5c3bbbe230db17a8,
+      0xa6630143a7e6aa6f, 0x17645cb7318b86b,  0x218b175f30ba61f8,
+      0xa6564b468248c683, 0xef192f401b116e1c, 0xbe8dc0c54617639d,
+      0xe7b01610fc22dbb8, 0x99d9f694404af913, 0xf4eecd37464b45c5,
+      0x7d2c653d63596d9b, 0x3f15c8544ec5393a, 0x6b9dc0c1704f796c,
+      0xf1ded7a7eae5ed5a, 0x2db2fd7c6dd4641b, 0x151ca2d3d4cd33ab,
+      0xa5af5994ac2ccd64, 0x2b2a4ca3191d2fce, 0xf89e68c9364e7c05,
+      0x71724c70b799c21,  0x70536fabfd157369, 0xdee92794c3c3082b,
+      0xac033a6743d3b3eb, 0xed2956b506cd5151, 0xbd669644755264b6,
+      0x6ab1ff5d5f549a63, 0xf6bd551a2e3e04e,  0x7b5a8cef6875ea73,
+      0x22bccf4d4db0a91c, 0x4f2bc07754c7c7eb, 0xfb6b8342a86725db,
+      0x13a1a0d4c5854da,  0x5f6e44655f7dedac, 0x54a9198dff2bdf85,
+      0xdb17e6915d4e4042, 0xa69926cf5c3b89f,  0xf77f031bfd74c096,
+      0x1d6f916fdd50ec3c, 0x334ac76013ade393, 0x99370f899111de15,
+      0x352457a03ada6de,  0x341974d4f42d854d, 0xda89ab02872aeb5,
+      0x6ec2b74e143b10d9, 0x6f284c0b5cd60522, 0xf9670de353438f88,
+      0xde920913adf0a2b4, 0xb7a07d7c0c17a8ec, 0x879a69f558ba3a98,
+      0x360cf6d802df20f9, 0x53530f8046673738, 0xbd8f5f2bcf35e483,
+      0x3f171f047144b983, 0x644d04e820823465, 0x50e44773a20b2702,
+      0xe584ed4c05c745dd, 0x9a825c85b95ab6c0, 0xbce2931deb74e775,
+      0x10468e9e705c7cfe, 0x12e01de3104141e2, 0x5c11ae2ee3713abd,
+      0x6ac5ffb0860319e6, 0xc1e6da1849d30fc9, 0xa0e4d247a458b447,
+      0x4530d4615c32b89b, 0x116aa09107a76505, 0xf941339d00d9bb73,
+      0x573a0fc1615afb33, 0xa975c81dc868b258, 0x3ab2c5250ab54bda,
+      0x37f99f208a3e3b11, 0x4b49b0ff706689d,  0x30bafa0b8f0a87fe,
+      0xea6787a65cc20cdd, 0x55861729f1fc3ab8, 0xea38e009c5be9b72,
+      0xcb8522cba33c3c66, 0x352e77653fe306f3, 0xe0bb760793bac064,
+      0xf66ec59322662956, 0x637aa320455d56f8, 0x46ee546be5824a89,
+      0x9e6842421e83d8a4, 0xf98ac2bc96b9fb8c, 0xf2c1002fd9a70b99,
+      0x4c2b62b1e39e9405, 0x3248555fa3ade9c4, 0xd4d04c37f6417c21,
+      0xf40cd506b1bf5653, 0x6c45d6005c760d2f, 0x61d88a7e61ff0d7e,
+      0x131591e8a53cc967, 0xdae85cb9bc29bab6, 0xe98835334905e626,
+      0x7cce50a2b66b8754, 0x5b0b3d0c5ac498ae, 0xd35a218c974d1756,
+      0xfce436ddc1d003c,  0xd183901de90bb741, 0x9378f8f34974a66,
+      0x21f11ae0a0402368, 0xf2fbd7c94ef89cb6, 0xc329c69d0f0d080b,
+      0xf2841cba16216a61, 0x47aba97b44916df1, 0x724d4e00a8019fcf,
+      0x2df9005c2a728d63, 0xc788892a1a5d7515, 0x9e993a65f9df0480,
+      0x76876721ff49f969, 0xbe7a796cfba15bf5, 0xa4c8bd54586f5488,
+      0xb390a325275501ab, 0x893f11317427ccf1, 0x92f2bb57da5695b9,
+      0x30985b90da88269f, 0x2c690e268e086de8, 0x1c02df6097997196,
+      0x1f9778f8bbdf6455, 0x7d57378c7bf8416d, 0xba8582a5f8d84d38,
+      0xe8ca43b85050be4e, 0x5048cf6bed8a5d9f, 0xfbc5ba80917d0ea4,
+      0x8011026525bf1691, 0x26b8dc6aed9fb50d, 0x191f5bfee77c1fe3,
+      0xdd497891465a2cc1, 0x6f1fe8c57a33072e, 0x2c9f4ec078c460c0,
+      0x9a725bde8f6a1437, 0x6ce545fa3ef61e4d,
+  };
+#elif defined(__aarch64__)
   constexpr uint64_t kGolden[kNumGoldenOutputs] = {
       0x45c0aadee165dcbe, 0x25ed8587f6f20d06, 0x5f23ae668ce7926d,
       0xfef74d1da0846719, 0x54478408e68cb7d4, 0xee27ddaf88c6fe68,
diff --git a/absl/numeric/int128_no_intrinsic.inc b/absl/numeric/int128_no_intrinsic.inc
index 66f6809..8834804 100644
--- a/absl/numeric/int128_no_intrinsic.inc
+++ b/absl/numeric/int128_no_intrinsic.inc
@@ -279,7 +279,7 @@
 }
 
 constexpr int128 operator<<(int128 lhs, int amount) {
-  // uint64_t shifts of >= 64 are undefined, so we need some special-casing.
+  // int64_t shifts of >= 64 are undefined, so we need some special-casing.
   return amount >= 64
              ? MakeInt128(
                    static_cast<int64_t>(Int128Low64(lhs) << (amount - 64)), 0)
@@ -292,10 +292,16 @@
 }
 
 constexpr int128 operator>>(int128 lhs, int amount) {
-  // uint64_t shifts of >= 64 are undefined, so we need some special-casing.
+  // int64_t shifts of >= 64 are undefined, so we need some special-casing.
+  // The (Int128High64(lhs) >> 32) >> 32 "trick" causes the the most significant
+  // int64 to be inititialized with all zeros or all ones correctly. It takes
+  // into account whether the number is negative or positive, and whether the
+  // current architecture does arithmetic or logical right shifts for negative
+  // numbers.
   return amount >= 64
              ? MakeInt128(
-                   0, static_cast<uint64_t>(Int128High64(lhs) >> (amount - 64)))
+                   (Int128High64(lhs) >> 32) >> 32,
+                   static_cast<uint64_t>(Int128High64(lhs) >> (amount - 64)))
          : amount == 0
              ? lhs
              : MakeInt128(Int128High64(lhs) >> amount,
diff --git a/absl/numeric/int128_test.cc b/absl/numeric/int128_test.cc
index c445d89..dd9425d 100644
--- a/absl/numeric/int128_test.cc
+++ b/absl/numeric/int128_test.cc
@@ -239,6 +239,24 @@
   EXPECT_EQ(absl::Uint128Max(), absl::kuint128max);
 }
 
+TEST(Int128, RightShiftOfNegativeNumbers) {
+  absl::int128 minus_six = -6;
+  absl::int128 minus_three = -3;
+  absl::int128 minus_two = -2;
+  absl::int128 minus_one = -1;
+  if ((-6 >> 1) == -3) {
+    // Right shift is arithmetic (sign propagates)
+    EXPECT_EQ(minus_six >> 1, minus_three);
+    EXPECT_EQ(minus_six >> 2, minus_two);
+    EXPECT_EQ(minus_six >> 65, minus_one);
+  } else {
+    // Right shift is logical (zeros shifted in at MSB)
+    EXPECT_EQ(minus_six >> 1, absl::int128(absl::uint128(minus_six) >> 1));
+    EXPECT_EQ(minus_six >> 2, absl::int128(absl::uint128(minus_six) >> 2));
+    EXPECT_EQ(minus_six >> 65, absl::int128(absl::uint128(minus_six) >> 65));
+  }
+}
+
 TEST(Uint128, ConversionTests) {
   EXPECT_TRUE(absl::MakeUint128(1, 0));
 
diff --git a/absl/profiling/BUILD.bazel b/absl/profiling/BUILD.bazel
index ba4811b..496a06b 100644
--- a/absl/profiling/BUILD.bazel
+++ b/absl/profiling/BUILD.bazel
@@ -16,6 +16,7 @@
     "//absl:copts/configure_copts.bzl",
     "ABSL_DEFAULT_COPTS",
     "ABSL_DEFAULT_LINKOPTS",
+    "ABSL_TEST_COPTS",
 )
 
 package(default_visibility = ["//visibility:private"])
@@ -51,3 +52,75 @@
         "@com_google_googletest//:gtest_main",
     ],
 )
+
+cc_library(
+    name = "exponential_biased",
+    srcs = ["internal/exponential_biased.cc"],
+    hdrs = ["internal/exponential_biased.h"],
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = [
+        "//absl:__subpackages__",
+    ],
+    deps = [
+        "//absl/base:config",
+        "//absl/base:core_headers",
+    ],
+)
+
+cc_test(
+    name = "exponential_biased_test",
+    size = "small",
+    srcs = ["internal/exponential_biased_test.cc"],
+    copts = ABSL_TEST_COPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = ["//visibility:private"],
+    deps = [
+        ":exponential_biased",
+        "//absl/strings",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
+
+cc_library(
+    name = "periodic_sampler",
+    srcs = ["internal/periodic_sampler.cc"],
+    hdrs = ["internal/periodic_sampler.h"],
+    copts = ABSL_DEFAULT_COPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = [
+        "//absl:__subpackages__",
+    ],
+    deps = [
+        ":exponential_biased",
+        "//absl/base:core_headers",
+    ],
+)
+
+cc_test(
+    name = "periodic_sampler_test",
+    size = "small",
+    srcs = ["internal/periodic_sampler_test.cc"],
+    copts = ABSL_TEST_COPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = ["//visibility:private"],
+    deps = [
+        ":periodic_sampler",
+        "//absl/base:core_headers",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
+
+cc_binary(
+    name = "periodic_sampler_benchmark",
+    testonly = 1,
+    srcs = ["internal/periodic_sampler_benchmark.cc"],
+    copts = ABSL_TEST_COPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    tags = ["benchmark"],
+    visibility = ["//visibility:private"],
+    deps = [
+        ":periodic_sampler",
+        "//absl/base:core_headers",
+        "@com_github_google_benchmark//:benchmark_main",
+    ],
+)
diff --git a/absl/profiling/BUILD.gn b/absl/profiling/BUILD.gn
index 4aa4039..894949f 100644
--- a/absl/profiling/BUILD.gn
+++ b/absl/profiling/BUILD.gn
@@ -5,14 +5,53 @@
 import("//third_party/abseil-cpp/absl.gni")
 
 absl_source_set("sample_recorder") {
-  public = ["internal/sample_recorder.h"]
+  public = [ "internal/sample_recorder.h" ]
   deps = [
     "//third_party/abseil-cpp/absl/base:config",
     "//third_party/abseil-cpp/absl/base:core_headers",
     "//third_party/abseil-cpp/absl/synchronization",
     "//third_party/abseil-cpp/absl/time",
   ]
-  visibility = [
-    "//third_party/abseil-cpp/absl/*",
+  visibility = [ "//third_party/abseil-cpp/absl/*" ]
+}
+
+absl_source_set("exponential_biased") {
+  sources = [ "internal/exponential_biased.cc" ]
+  public = [ "internal/exponential_biased.h" ]
+  deps = [
+    "//third_party/abseil-cpp/absl/base:config",
+    "//third_party/abseil-cpp/absl/base:core_headers",
+  ]
+  visibility = [ "//third_party/abseil-cpp/absl/*" ]
+}
+
+absl_source_set("exponential_biased_test") {
+  testonly = true
+  sources = [ "internal/exponential_biased_test.cc" ]
+  deps = [
+    ":exponential_biased",
+    "//third_party/abseil-cpp/absl/strings",
+    "//third_party/googletest:gmock",
+    "//third_party/googletest:gtest",
+  ]
+}
+
+absl_source_set("periodic_sampler") {
+  sources = [ "internal/periodic_sampler.cc" ]
+  public = [ "internal/periodic_sampler.h" ]
+  deps = [
+    ":exponential_biased",
+    "//third_party/abseil-cpp/absl/base:core_headers",
+  ]
+}
+
+absl_source_set("periodic_sampler_test") {
+  testonly = true
+  sources = [ "internal/periodic_sampler_test.cc" ]
+  deps = [
+    ":periodic_sampler",
+    "//third_party/abseil-cpp/absl/base:core_headers",
+    "//third_party/googletest:gmock",
+    "//third_party/googletest:gtest",
   ]
 }
diff --git a/absl/profiling/CMakeLists.txt b/absl/profiling/CMakeLists.txt
index 7b6a778..9b3a710 100644
--- a/absl/profiling/CMakeLists.txt
+++ b/absl/profiling/CMakeLists.txt
@@ -37,3 +37,57 @@
     GTest::gmock_main
 )
 
+absl_cc_library(
+  NAME
+    exponential_biased
+  SRCS
+    "internal/exponential_biased.cc"
+  HDRS
+    "internal/exponential_biased.h"
+  COPTS
+    ${ABSL_DEFAULT_COPTS}
+  DEPS
+    absl::config
+    absl::core_headers
+)
+
+absl_cc_test(
+  NAME
+    exponential_biased_test
+  SRCS
+    "internal/exponential_biased_test.cc"
+  COPTS
+    ${ABSL_TEST_COPTS}
+  DEPS
+    absl::exponential_biased
+    absl::strings
+    GTest::gmock_main
+)
+
+absl_cc_library(
+  NAME
+    periodic_sampler
+  SRCS
+    "internal/periodic_sampler.cc"
+  HDRS
+    "internal/periodic_sampler.h"
+  COPTS
+    ${ABSL_DEFAULT_COPTS}
+  DEPS
+    absl::core_headers
+    absl::exponential_biased
+)
+
+absl_cc_test(
+  NAME
+    periodic_sampler_test
+  SRCS
+    "internal/periodic_sampler_test.cc"
+  COPTS
+    ${ABSL_TEST_COPTS}
+  DEPS
+    absl::core_headers
+    absl::periodic_sampler
+    GTest::gmock_main
+)
+
diff --git a/absl/base/internal/exponential_biased.cc b/absl/profiling/internal/exponential_biased.cc
similarity index 96%
rename from absl/base/internal/exponential_biased.cc
rename to absl/profiling/internal/exponential_biased.cc
index 05aeea5..81d9a75 100644
--- a/absl/base/internal/exponential_biased.cc
+++ b/absl/profiling/internal/exponential_biased.cc
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "absl/base/internal/exponential_biased.h"
+#include "absl/profiling/internal/exponential_biased.h"
 
 #include <stdint.h>
 
@@ -26,7 +26,7 @@
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 
 // The algorithm generates a random number between 0 and 1 and applies the
 // inverse cumulative distribution function for an exponential. Specifically:
@@ -88,6 +88,6 @@
   initialized_ = true;
 }
 
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
diff --git a/absl/base/internal/exponential_biased.h b/absl/profiling/internal/exponential_biased.h
similarity index 94%
rename from absl/base/internal/exponential_biased.h
rename to absl/profiling/internal/exponential_biased.h
index a81f10e..d31f778 100644
--- a/absl/base/internal/exponential_biased.h
+++ b/absl/profiling/internal/exponential_biased.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef ABSL_BASE_INTERNAL_EXPONENTIAL_BIASED_H_
-#define ABSL_BASE_INTERNAL_EXPONENTIAL_BIASED_H_
+#ifndef ABSL_PROFILING_INTERNAL_EXPONENTIAL_BIASED_H_
+#define ABSL_PROFILING_INTERNAL_EXPONENTIAL_BIASED_H_
 
 #include <stdint.h>
 
@@ -22,7 +22,7 @@
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 
 // ExponentialBiased provides a small and fast random number generator for a
 // rounded exponential distribution. This generator manages very little state,
@@ -123,8 +123,8 @@
   return (prng_mult * rnd + prng_add) & prng_mod_mask;
 }
 
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
 
-#endif  // ABSL_BASE_INTERNAL_EXPONENTIAL_BIASED_H_
+#endif  // ABSL_PROFILING_INTERNAL_EXPONENTIAL_BIASED_H_
diff --git a/absl/base/internal/exponential_biased_test.cc b/absl/profiling/internal/exponential_biased_test.cc
similarity index 97%
rename from absl/base/internal/exponential_biased_test.cc
rename to absl/profiling/internal/exponential_biased_test.cc
index 075583c..5675001 100644
--- a/absl/base/internal/exponential_biased_test.cc
+++ b/absl/profiling/internal/exponential_biased_test.cc
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "absl/base/internal/exponential_biased.h"
+#include "absl/profiling/internal/exponential_biased.h"
 
 #include <stddef.h>
 
@@ -28,7 +28,7 @@
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 
 MATCHER_P2(IsBetween, a, b,
            absl::StrCat(std::string(negation ? "isn't" : "is"), " between ", a,
@@ -194,6 +194,6 @@
   EXPECT_THAT(eb_stack.GetSkipCount(2), Ge(0));
 }
 
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
diff --git a/absl/base/internal/periodic_sampler.cc b/absl/profiling/internal/periodic_sampler.cc
similarity index 88%
rename from absl/base/internal/periodic_sampler.cc
rename to absl/profiling/internal/periodic_sampler.cc
index 520dabb..a738a82 100644
--- a/absl/base/internal/periodic_sampler.cc
+++ b/absl/profiling/internal/periodic_sampler.cc
@@ -12,15 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "absl/base/internal/periodic_sampler.h"
+#include "absl/profiling/internal/periodic_sampler.h"
 
 #include <atomic>
 
-#include "absl/base/internal/exponential_biased.h"
+#include "absl/profiling/internal/exponential_biased.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 
 int64_t PeriodicSamplerBase::GetExponentialBiased(int period) noexcept {
   return rng_.GetStride(period);
@@ -48,6 +48,6 @@
   return true;
 }
 
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
diff --git a/absl/base/internal/periodic_sampler.h b/absl/profiling/internal/periodic_sampler.h
similarity index 95%
rename from absl/base/internal/periodic_sampler.h
rename to absl/profiling/internal/periodic_sampler.h
index f8a8679..54f0af4 100644
--- a/absl/base/internal/periodic_sampler.h
+++ b/absl/profiling/internal/periodic_sampler.h
@@ -12,19 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef ABSL_BASE_INTERNAL_PERIODIC_SAMPLER_H_
-#define ABSL_BASE_INTERNAL_PERIODIC_SAMPLER_H_
+#ifndef ABSL_PROFILING_INTERNAL_PERIODIC_SAMPLER_H_
+#define ABSL_PROFILING_INTERNAL_PERIODIC_SAMPLER_H_
 
 #include <stdint.h>
 
 #include <atomic>
 
-#include "absl/base/internal/exponential_biased.h"
 #include "absl/base/optimization.h"
+#include "absl/profiling/internal/exponential_biased.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 
 // PeriodicSamplerBase provides the basic period sampler implementation.
 //
@@ -149,7 +149,7 @@
   //   ICC   x64 (OK) : https://gcc.godbolt.org/z/ptTNfD
   //   MSVC  x64 (OK) : https://gcc.godbolt.org/z/76j4-5
   uint64_t stride_ = 0;
-  ExponentialBiased rng_;
+  absl::profiling_internal::ExponentialBiased rng_;
 };
 
 inline bool PeriodicSamplerBase::SubtleMaybeSample() noexcept {
@@ -204,8 +204,8 @@
 template <typename Tag, int default_period>
 std::atomic<int> PeriodicSampler<Tag, default_period>::period_(default_period);
 
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
 
-#endif  // ABSL_BASE_INTERNAL_PERIODIC_SAMPLER_H_
+#endif  // ABSL_PROFILING_INTERNAL_PERIODIC_SAMPLER_H_
diff --git a/absl/base/internal/periodic_sampler_benchmark.cc b/absl/profiling/internal/periodic_sampler_benchmark.cc
similarity index 94%
rename from absl/base/internal/periodic_sampler_benchmark.cc
rename to absl/profiling/internal/periodic_sampler_benchmark.cc
index 5ad469c..8f0e557 100644
--- a/absl/base/internal/periodic_sampler_benchmark.cc
+++ b/absl/profiling/internal/periodic_sampler_benchmark.cc
@@ -12,12 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "absl/profiling/internal/periodic_sampler.h"
 #include "benchmark/benchmark.h"
-#include "absl/base/internal/periodic_sampler.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 namespace {
 
 template <typename Sampler>
@@ -74,6 +74,6 @@
 BENCHMARK(BM_PeriodicSampler_Disabled);
 
 }  // namespace
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
diff --git a/absl/base/internal/periodic_sampler_test.cc b/absl/profiling/internal/periodic_sampler_test.cc
similarity index 97%
rename from absl/base/internal/periodic_sampler_test.cc
rename to absl/profiling/internal/periodic_sampler_test.cc
index 3b301e3..ef986f3 100644
--- a/absl/base/internal/periodic_sampler_test.cc
+++ b/absl/profiling/internal/periodic_sampler_test.cc
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "absl/base/internal/periodic_sampler.h"
+#include "absl/profiling/internal/periodic_sampler.h"
 
 #include <thread>  // NOLINT(build/c++11)
 
@@ -23,7 +23,7 @@
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-namespace base_internal {
+namespace profiling_internal {
 namespace {
 
 using testing::Eq;
@@ -172,6 +172,6 @@
 }
 
 }  // namespace
-}  // namespace base_internal
+}  // namespace profiling_internal
 ABSL_NAMESPACE_END
 }  // namespace absl
diff --git a/absl/status/status.h b/absl/status/status.h
index 638b9ca..9bb4538 100644
--- a/absl/status/status.h
+++ b/absl/status/status.h
@@ -494,7 +494,7 @@
   // Returns the error message associated with this error code, if available.
   // Note that this message rarely describes the error code.  It is not unusual
   // for the error message to be the empty string. As a result, prefer
-  // `Status::ToString()` for debug logging.
+  // `operator<<` or `Status::ToString()` for debug logging.
   absl::string_view message() const;
 
   friend bool operator==(const Status&, const Status&);
diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel
index f9735b4..c45a671 100644
--- a/absl/strings/BUILD.bazel
+++ b/absl/strings/BUILD.bazel
@@ -508,8 +508,8 @@
     deps = [
         "//absl/base:config",
         "//absl/base:core_headers",
-        "//absl/base:exponential_biased",
         "//absl/base:raw_logging_internal",
+        "//absl/profiling:exponential_biased",
     ],
 )
 
diff --git a/absl/strings/BUILD.gn b/absl/strings/BUILD.gn
index ad9f925..69fc521 100644
--- a/absl/strings/BUILD.gn
+++ b/absl/strings/BUILD.gn
@@ -156,7 +156,7 @@
 
 absl_source_set("cord_rep_btree_test") {
   testonly = true
-  sources = ["internal/cord_rep_btree_test.cc"]
+  sources = [ "internal/cord_rep_btree_test.cc" ]
   deps = [
     ":cord_internal",
     ":cord_rep_test_util",
@@ -171,7 +171,7 @@
 
 absl_source_set("cord_rep_btree_reader_test") {
   testonly = true
-  sources = ["internal/cord_rep_btree_reader_test.cc"]
+  sources = [ "internal/cord_rep_btree_reader_test.cc" ]
   deps = [
     ":cord",
     ":cord_internal",
@@ -185,14 +185,14 @@
 }
 
 absl_source_set("cordz_update_tracker") {
-  public = ["internal/cordz_update_tracker.h"]
+  public = [ "internal/cordz_update_tracker.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
-  deps = ["//third_party/abseil-cpp/absl/base:config"]
+  deps = [ "//third_party/abseil-cpp/absl/base:config" ]
 }
 
 absl_source_set("cordz_update_tracker_test") {
   testonly = true
-  sources = ["internal/cordz_update_tracker_test.cc"]
+  sources = [ "internal/cordz_update_tracker_test.cc" ]
   deps = [
     ":cordz_update_tracker",
     "//third_party/abseil-cpp/absl/base:config",
@@ -230,8 +230,8 @@
 }
 
 absl_source_set("cordz_handle") {
-  sources = ["internal/cordz_handle.cc"]
-  public = ["internal/cordz_handle.h"]
+  sources = [ "internal/cordz_handle.cc" ]
+  public = [ "internal/cordz_handle.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     "//third_party/abseil-cpp/absl/base",
@@ -242,8 +242,8 @@
 }
 
 absl_source_set("cordz_info") {
-  sources = ["internal/cordz_info.cc"]
-  public = ["internal/cordz_info.h"]
+  sources = [ "internal/cordz_info.cc" ]
+  public = [ "internal/cordz_info.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     ":cord_internal",
@@ -263,7 +263,7 @@
 }
 
 absl_source_set("cordz_update_scope") {
-  public = ["internal/cordz_update_scope.h"]
+  public = [ "internal/cordz_update_scope.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     ":cord_internal",
@@ -276,7 +276,7 @@
 
 absl_source_set("cordz_update_scope_test") {
   testonly = true
-  sources = ["internal/cordz_update_scope_test.cc"]
+  sources = [ "internal/cordz_update_scope_test.cc" ]
   deps = [
     ":cord_internal",
     ":cordz_info",
@@ -290,8 +290,8 @@
 }
 
 absl_source_set("cordz_sample_token") {
-  sources = ["internal/cordz_sample_token.cc"]
-  public = ["internal/cordz_sample_token.h"]
+  sources = [ "internal/cordz_sample_token.cc" ]
+  public = [ "internal/cordz_sample_token.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     ":cordz_handle",
@@ -301,19 +301,19 @@
 }
 
 absl_source_set("cordz_functions") {
-  sources = ["internal/cordz_functions.cc"]
-  public = ["internal/cordz_functions.h"]
+  sources = [ "internal/cordz_functions.cc" ]
+  public = [ "internal/cordz_functions.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     "//third_party/abseil-cpp/absl/base:config",
     "//third_party/abseil-cpp/absl/base:core_headers",
-    "//third_party/abseil-cpp/absl/base:exponential_biased",
     "//third_party/abseil-cpp/absl/base:raw_logging_internal",
+    "//third_party/abseil-cpp/absl/profiling:exponential_biased",
   ]
 }
 
 absl_source_set("cordz_statistics") {
-  public = ["internal/cordz_statistics.h"]
+  public = [ "internal/cordz_statistics.h" ]
   visibility = [ "//third_party/abseil-cpp/*" ]
   deps = [
     ":cordz_update_tracker",
@@ -424,7 +424,7 @@
 
 absl_source_set("cord_rep_test_util") {
   testonly = true
-  public = ["internal/cord_rep_test_util.h"]
+  public = [ "internal/cord_rep_test_util.h" ]
   deps = [
     ":cord_internal",
     ":strings",
@@ -435,7 +435,7 @@
 
 absl_source_set("cordz_test_helpers") {
   testonly = true
-  public = ["cordz_test_helpers.h"]
+  public = [ "cordz_test_helpers.h" ]
   deps = [
     ":cord",
     ":cord_internal",
@@ -452,7 +452,7 @@
 
 absl_source_set("cordz_test") {
   testonly = true
-  sources = ["cordz_test.cc"]
+  sources = [ "cordz_test.cc" ]
   deps = [
     ":cord",
     ":cord_test_helpers",
@@ -473,7 +473,7 @@
 
 absl_source_set("cord_rep_consume_test") {
   testonly = true
-  sources = ["internal/cord_rep_consume_test.cc"]
+  sources = [ "internal/cord_rep_consume_test.cc" ]
   deps = [
     ":cord_internal",
     ":strings",
diff --git a/absl/strings/internal/cordz_functions.cc b/absl/strings/internal/cordz_functions.cc
index 4836993..20d314f 100644
--- a/absl/strings/internal/cordz_functions.cc
+++ b/absl/strings/internal/cordz_functions.cc
@@ -21,8 +21,8 @@
 
 #include "absl/base/attributes.h"
 #include "absl/base/config.h"
-#include "absl/base/internal/exponential_biased.h"
 #include "absl/base/internal/raw_logging.h"
+#include "absl/profiling/internal/exponential_biased.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
@@ -48,7 +48,7 @@
 
 ABSL_ATTRIBUTE_NOINLINE bool cordz_should_profile_slow() {
 
-  thread_local absl::base_internal::ExponentialBiased
+  thread_local absl::profiling_internal::ExponentialBiased
       exponential_biased_generator;
   int32_t mean_interval = get_cordz_mean_interval();
 
diff --git a/absl/synchronization/mutex_benchmark.cc b/absl/synchronization/mutex_benchmark.cc
index e35aed8..b5d2fbc 100644
--- a/absl/synchronization/mutex_benchmark.cc
+++ b/absl/synchronization/mutex_benchmark.cc
@@ -97,7 +97,7 @@
   // 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 @@
 
 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 @@
     // 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);
   }
diff --git a/absl/synchronization/mutex_test.cc b/absl/synchronization/mutex_test.cc
index f8fbf94..4f40317 100644
--- a/absl/synchronization/mutex_test.cc
+++ b/absl/synchronization/mutex_test.cc
@@ -26,6 +26,7 @@
 #include <random>
 #include <string>
 #include <thread>  // NOLINT(build/c++11)
+#include <type_traits>
 #include <vector>
 
 #include "gtest/gtest.h"
@@ -870,33 +871,6 @@
   }
 }
 
-// --------------------------------------------------------
-// Test for bug with pattern of readers using a condvar.  The bug was that if a
-// reader went to sleep on a condition variable while one or more other readers
-// held the lock, but there were no waiters, the reader count (held in the
-// mutex word) would be lost.  (This is because Enqueue() had at one time
-// always placed the thread on the Mutex queue.  Later (CL 4075610), to
-// tolerate re-entry into Mutex from a Condition predicate, Enqueue() was
-// changed so that it could also place a thread on a condition-variable.  This
-// introduced the case where Enqueue() returned with an empty queue, and this
-// case was handled incorrectly in one place.)
-
-static void ReaderForReaderOnCondVar(absl::Mutex *mu, absl::CondVar *cv,
-                                     int *running) {
-  std::random_device dev;
-  std::mt19937 gen(dev());
-  std::uniform_int_distribution<int> random_millis(0, 15);
-  mu->ReaderLock();
-  while (*running == 3) {
-    absl::SleepFor(absl::Milliseconds(random_millis(gen)));
-    cv->WaitWithTimeout(mu, absl::Milliseconds(random_millis(gen)));
-  }
-  mu->ReaderUnlock();
-  mu->Lock();
-  (*running)--;
-  mu->Unlock();
-}
-
 struct True {
   template <class... Args>
   bool operator()(Args...) const {
@@ -945,6 +919,33 @@
   }
 }
 
+// --------------------------------------------------------
+// Test for bug with pattern of readers using a condvar.  The bug was that if a
+// reader went to sleep on a condition variable while one or more other readers
+// held the lock, but there were no waiters, the reader count (held in the
+// mutex word) would be lost.  (This is because Enqueue() had at one time
+// always placed the thread on the Mutex queue.  Later (CL 4075610), to
+// tolerate re-entry into Mutex from a Condition predicate, Enqueue() was
+// changed so that it could also place a thread on a condition-variable.  This
+// introduced the case where Enqueue() returned with an empty queue, and this
+// case was handled incorrectly in one place.)
+
+static void ReaderForReaderOnCondVar(absl::Mutex *mu, absl::CondVar *cv,
+                                     int *running) {
+  std::random_device dev;
+  std::mt19937 gen(dev());
+  std::uniform_int_distribution<int> random_millis(0, 15);
+  mu->ReaderLock();
+  while (*running == 3) {
+    absl::SleepFor(absl::Milliseconds(random_millis(gen)));
+    cv->WaitWithTimeout(mu, absl::Milliseconds(random_millis(gen)));
+  }
+  mu->ReaderUnlock();
+  mu->Lock();
+  (*running)--;
+  mu->Unlock();
+}
+
 static bool IntIsZero(int *x) { return *x == 0; }
 
 // Test for reader waiting condition variable when there are other readers
diff --git a/absl/time/internal/cctz/include/cctz/time_zone.h b/absl/time/internal/cctz/include/cctz/time_zone.h
index 5562a37..6e382dc 100644
--- a/absl/time/internal/cctz/include/cctz/time_zone.h
+++ b/absl/time/internal/cctz/include/cctz/time_zone.h
@@ -22,6 +22,7 @@
 
 #include <chrono>
 #include <cstdint>
+#include <limits>
 #include <string>
 #include <utility>
 
@@ -41,20 +42,9 @@
 
 namespace detail {
 template <typename D>
-inline std::pair<time_point<seconds>, D> split_seconds(
-    const time_point<D>& tp) {
-  auto sec = std::chrono::time_point_cast<seconds>(tp);
-  auto sub = tp - sec;
-  if (sub.count() < 0) {
-    sec -= seconds(1);
-    sub += seconds(1);
-  }
-  return {sec, std::chrono::duration_cast<D>(sub)};
-}
-inline std::pair<time_point<seconds>, seconds> split_seconds(
-    const time_point<seconds>& tp) {
-  return {tp, seconds::zero()};
-}
+std::pair<time_point<seconds>, D> split_seconds(const time_point<D>& tp);
+std::pair<time_point<seconds>, seconds> split_seconds(
+    const time_point<seconds>& tp);
 }  // namespace detail
 
 // cctz::time_zone is an opaque, small, value-type class representing a
@@ -279,6 +269,20 @@
                    const femtoseconds&, const time_zone&);
 bool parse(const std::string&, const std::string&, const time_zone&,
            time_point<seconds>*, femtoseconds*, std::string* err = nullptr);
+template <typename Rep, std::intmax_t Denom>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds& fs,
+    time_point<std::chrono::duration<Rep, std::ratio<1, Denom>>>* tpp);
+template <typename Rep, std::intmax_t Num>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds& fs,
+    time_point<std::chrono::duration<Rep, std::ratio<Num, 1>>>* tpp);
+template <typename Rep>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds& fs,
+    time_point<std::chrono::duration<Rep, std::ratio<1, 1>>>* tpp);
+bool join_seconds(const time_point<seconds>& sec, const femtoseconds&,
+                  time_point<seconds>* tpp);
 }  // namespace detail
 
 // Formats the given time_point in the given cctz::time_zone according to
@@ -369,15 +373,84 @@
                   const time_zone& tz, time_point<D>* tpp) {
   time_point<seconds> sec;
   detail::femtoseconds fs;
-  const bool b = detail::parse(fmt, input, tz, &sec, &fs);
-  if (b) {
-    // TODO: Return false if unrepresentable as a time_point<D>.
-    *tpp = std::chrono::time_point_cast<D>(sec);
-    *tpp += std::chrono::duration_cast<D>(fs);
-  }
-  return b;
+  return detail::parse(fmt, input, tz, &sec, &fs) &&
+         detail::join_seconds(sec, fs, tpp);
 }
 
+namespace detail {
+
+// Split a time_point<D> into a time_point<seconds> and a D subseconds.
+// Undefined behavior if time_point<seconds> is not of sufficient range.
+// Note that this means it is UB to call cctz::time_zone::lookup(tp) or
+// cctz::format(fmt, tp, tz) with a time_point that is outside the range
+// of a 64-bit std::time_t.
+template <typename D>
+std::pair<time_point<seconds>, D> split_seconds(const time_point<D>& tp) {
+  auto sec = std::chrono::time_point_cast<seconds>(tp);
+  auto sub = tp - sec;
+  if (sub.count() < 0) {
+    sec -= seconds(1);
+    sub += seconds(1);
+  }
+  return {sec, std::chrono::duration_cast<D>(sub)};
+}
+
+inline std::pair<time_point<seconds>, seconds> split_seconds(
+    const time_point<seconds>& tp) {
+  return {tp, seconds::zero()};
+}
+
+// Join a time_point<seconds> and femto subseconds into a time_point<D>.
+// Floors to the resolution of time_point<D>. Returns false if time_point<D>
+// is not of sufficient range.
+template <typename Rep, std::intmax_t Denom>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds& fs,
+    time_point<std::chrono::duration<Rep, std::ratio<1, Denom>>>* tpp) {
+  using D = std::chrono::duration<Rep, std::ratio<1, Denom>>;
+  // TODO(#199): Return false if result unrepresentable as a time_point<D>.
+  *tpp = std::chrono::time_point_cast<D>(sec);
+  *tpp += std::chrono::duration_cast<D>(fs);
+  return true;
+}
+
+template <typename Rep, std::intmax_t Num>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds&,
+    time_point<std::chrono::duration<Rep, std::ratio<Num, 1>>>* tpp) {
+  using D = std::chrono::duration<Rep, std::ratio<Num, 1>>;
+  auto count = sec.time_since_epoch().count();
+  if (count >= 0 || count % Num == 0) {
+    count /= Num;
+  } else {
+    count /= Num;
+    count -= 1;
+  }
+  if (count > (std::numeric_limits<Rep>::max)()) return false;
+  if (count < (std::numeric_limits<Rep>::min)()) return false;
+  *tpp = time_point<D>() + D{static_cast<Rep>(count)};
+  return true;
+}
+
+template <typename Rep>
+bool join_seconds(
+    const time_point<seconds>& sec, const femtoseconds&,
+    time_point<std::chrono::duration<Rep, std::ratio<1, 1>>>* tpp) {
+  using D = std::chrono::duration<Rep, std::ratio<1, 1>>;
+  auto count = sec.time_since_epoch().count();
+  if (count > (std::numeric_limits<Rep>::max)()) return false;
+  if (count < (std::numeric_limits<Rep>::min)()) return false;
+  *tpp = time_point<D>() + D{static_cast<Rep>(count)};
+  return true;
+}
+
+inline bool join_seconds(const time_point<seconds>& sec, const femtoseconds&,
+                         time_point<seconds>* tpp) {
+  *tpp = sec;
+  return true;
+}
+
+}  // namespace detail
 }  // namespace cctz
 }  // namespace time_internal
 ABSL_NAMESPACE_END
diff --git a/absl/time/internal/cctz/src/cctz_benchmark.cc b/absl/time/internal/cctz/src/cctz_benchmark.cc
index 4e39188..6770ad6 100644
--- a/absl/time/internal/cctz/src/cctz_benchmark.cc
+++ b/absl/time/internal/cctz/src/cctz_benchmark.cc
@@ -648,6 +648,7 @@
                                       "Pacific/Guam",
                                       "Pacific/Honolulu",
                                       "Pacific/Johnston",
+                                      "Pacific/Kanton",
                                       "Pacific/Kiritimati",
                                       "Pacific/Kosrae",
                                       "Pacific/Kwajalein",
diff --git a/absl/time/internal/cctz/src/time_zone_format_test.cc b/absl/time/internal/cctz/src/time_zone_format_test.cc
index 294f2e2..6487fa9 100644
--- a/absl/time/internal/cctz/src/time_zone_format_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_format_test.cc
@@ -13,6 +13,7 @@
 //   limitations under the License.
 
 #include <chrono>
+#include <cstdint>
 #include <iomanip>
 #include <sstream>
 #include <string>
@@ -1504,7 +1505,7 @@
       parse(RFC3339_sec, "292277026596-12-04T14:30:07-01:00", utc, &tp));
   EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::max());
   EXPECT_FALSE(
-      parse(RFC3339_sec, "292277026596-12-04T15:30:07-01:00", utc, &tp));
+      parse(RFC3339_sec, "292277026596-12-04T14:30:08-01:00", utc, &tp));
 
   // tests the lower limit using +00:00 offset
   EXPECT_TRUE(
@@ -1525,10 +1526,82 @@
       parse(RFC3339_sec, "9223372036854775807-12-31T23:59:59-00:01", utc, &tp));
   EXPECT_FALSE(parse(RFC3339_sec, "-9223372036854775808-01-01T00:00:00+00:01",
                      utc, &tp));
+}
 
-  // TODO: Add tests that parsing times with fractional seconds overflow
-  // appropriately. This can't be done until cctz::parse() properly detects
-  // overflow when combining the chrono seconds and femto.
+TEST(Parse, TimePointOverflow) {
+  const time_zone utc = utc_time_zone();
+
+  using D = chrono::duration<std::int64_t, std::nano>;
+  time_point<D> tp;
+
+  EXPECT_TRUE(
+      parse(RFC3339_full, "2262-04-11T23:47:16.8547758079+00:00", utc, &tp));
+  EXPECT_EQ(tp, time_point<D>::max());
+  EXPECT_EQ("2262-04-11T23:47:16.854775807+00:00",
+            format(RFC3339_full, tp, utc));
+#if 0
+  // TODO(#199): Will fail until cctz::parse() properly detects overflow.
+  EXPECT_FALSE(
+      parse(RFC3339_full, "2262-04-11T23:47:16.8547758080+00:00", utc, &tp));
+  EXPECT_TRUE(
+      parse(RFC3339_full, "1677-09-21T00:12:43.1452241920+00:00", utc, &tp));
+  EXPECT_EQ(tp, time_point<D>::min());
+  EXPECT_EQ("1677-09-21T00:12:43.145224192+00:00",
+            format(RFC3339_full, tp, utc));
+  EXPECT_FALSE(
+      parse(RFC3339_full, "1677-09-21T00:12:43.1452241919+00:00", utc, &tp));
+#endif
+
+  using DS = chrono::duration<std::int8_t, chrono::seconds::period>;
+  time_point<DS> stp;
+
+  EXPECT_TRUE(parse(RFC3339_full, "1970-01-01T00:02:07.9+00:00", utc, &stp));
+  EXPECT_EQ(stp, time_point<DS>::max());
+  EXPECT_EQ("1970-01-01T00:02:07+00:00", format(RFC3339_full, stp, utc));
+  EXPECT_FALSE(parse(RFC3339_full, "1970-01-01T00:02:08+00:00", utc, &stp));
+
+  EXPECT_TRUE(parse(RFC3339_full, "1969-12-31T23:57:52+00:00", utc, &stp));
+  EXPECT_EQ(stp, time_point<DS>::min());
+  EXPECT_EQ("1969-12-31T23:57:52+00:00", format(RFC3339_full, stp, utc));
+  EXPECT_FALSE(parse(RFC3339_full, "1969-12-31T23:57:51.9+00:00", utc, &stp));
+
+  using DM = chrono::duration<std::int8_t, chrono::minutes::period>;
+  time_point<DM> mtp;
+
+  EXPECT_TRUE(parse(RFC3339_full, "1970-01-01T02:07:59+00:00", utc, &mtp));
+  EXPECT_EQ(mtp, time_point<DM>::max());
+  EXPECT_EQ("1970-01-01T02:07:00+00:00", format(RFC3339_full, mtp, utc));
+  EXPECT_FALSE(parse(RFC3339_full, "1970-01-01T02:08:00+00:00", utc, &mtp));
+
+  EXPECT_TRUE(parse(RFC3339_full, "1969-12-31T21:52:00+00:00", utc, &mtp));
+  EXPECT_EQ(mtp, time_point<DM>::min());
+  EXPECT_EQ("1969-12-31T21:52:00+00:00", format(RFC3339_full, mtp, utc));
+  EXPECT_FALSE(parse(RFC3339_full, "1969-12-31T21:51:59+00:00", utc, &mtp));
+}
+
+TEST(Parse, TimePointOverflowFloor) {
+  const time_zone utc = utc_time_zone();
+
+  using D = chrono::duration<std::int64_t, std::micro>;
+  time_point<D> tp;
+
+  EXPECT_TRUE(
+      parse(RFC3339_full, "294247-01-10T04:00:54.7758079+00:00", utc, &tp));
+  EXPECT_EQ(tp, time_point<D>::max());
+  EXPECT_EQ("294247-01-10T04:00:54.775807+00:00",
+            format(RFC3339_full, tp, utc));
+#if 0
+  // TODO(#199): Will fail until cctz::parse() properly detects overflow.
+  EXPECT_FALSE(
+      parse(RFC3339_full, "294247-01-10T04:00:54.7758080+00:00", utc, &tp));
+  EXPECT_TRUE(
+      parse(RFC3339_full, "-290308-12-21T19:59:05.2241920+00:00", utc, &tp));
+  EXPECT_EQ(tp, time_point<D>::min());
+  EXPECT_EQ("-290308-12-21T19:59:05.224192+00:00",
+            format(RFC3339_full, tp, utc));
+  EXPECT_FALSE(
+      parse(RFC3339_full, "-290308-12-21T19:59:05.2241919+00:00", utc, &tp));
+#endif
 }
 
 //
diff --git a/absl/time/internal/cctz/src/time_zone_if.h b/absl/time/internal/cctz/src/time_zone_if.h
index 32c0891..7d3e42d 100644
--- a/absl/time/internal/cctz/src/time_zone_if.h
+++ b/absl/time/internal/cctz/src/time_zone_if.h
@@ -56,7 +56,8 @@
 
 // Convert between time_point<seconds> and a count of seconds since the
 // Unix epoch.  We assume that the std::chrono::system_clock and the
-// Unix clock are second aligned, but not that they share an epoch.
+// Unix clock are second aligned, and that the results are representable.
+// (That is, that they share an epoch, which is required since C++20.)
 inline std::int_fast64_t ToUnixSeconds(const time_point<seconds>& tp) {
   return (tp - std::chrono::time_point_cast<seconds>(
                    std::chrono::system_clock::from_time_t(0)))
diff --git a/absl/time/internal/cctz/src/time_zone_lookup_test.cc b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
index 6948c3e..8751b34 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
@@ -579,6 +579,7 @@
                                       "Pacific/Guam",
                                       "Pacific/Honolulu",
                                       "Pacific/Johnston",
+                                      "Pacific/Kanton",
                                       "Pacific/Kiritimati",
                                       "Pacific/Kosrae",
                                       "Pacific/Kwajalein",
diff --git a/absl/time/internal/cctz/testdata/version b/absl/time/internal/cctz/testdata/version
index ba5601e..51191b5 100644
--- a/absl/time/internal/cctz/testdata/version
+++ b/absl/time/internal/cctz/testdata/version
@@ -1 +1 @@
-2021b
+2021c
diff --git a/absl/time/internal/cctz/testdata/zoneinfo/Atlantic/Jan_Mayen b/absl/time/internal/cctz/testdata/zoneinfo/Atlantic/Jan_Mayen
index 465546b..dfc5095 100644
--- a/absl/time/internal/cctz/testdata/zoneinfo/Atlantic/Jan_Mayen
+++ b/absl/time/internal/cctz/testdata/zoneinfo/Atlantic/Jan_Mayen
Binary files differ
diff --git a/symbols_arm64_dbg.def b/symbols_arm64_dbg.def
index b1b2b2b..dd5e5be 100644
--- a/symbols_arm64_dbg.def
+++ b/symbols_arm64_dbg.def
@@ -2001,7 +2001,7 @@
     ?GetSizeAndIsAllocated@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QEBAAEB_KXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QEAAAEA_KXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QEBAAEB_KXZ
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QEBA?AV?$Span@QEAX@3@XZ
     ?GetStackFrames@absl@@YAHPEAPEAXPEAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPEAPEAXPEAHHHPEBX1@Z
@@ -2009,7 +2009,7 @@
     ?GetStackTrace@absl@@YAHPEAPEAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPEAPEAXHHPEBXPEAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@AEBVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetTagForChar@str_format_internal@absl@@YA?AVConvTag@12@D@Z
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPEAU?$atomic@H@__1@std@@XZ
@@ -2050,7 +2050,7 @@
     ?InitInstance@CordRepBtree@cord_internal@absl@@AEAAXH_K0@Z
     ?InitTree@ChunkIterator@Cord@absl@@AEAAXPEAUCordRep@cord_internal@3@@Z
     ?InitWhat@BadStatusOrAccess@absl@@AEBAXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AEAAXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AEAAXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PEAUCordRepExternal@12@@Z
     ?InitializeData@Storage@?$FixedArray@PEAUCordRep@cord_internal@absl@@$0?0V?$allocator@PEAUCordRep@cord_internal@absl@@@__1@std@@@absl@@AEAAPEAPEAUCordRep@cord_internal@3@XZ
     ?InitializeSymbolizer@absl@@YAXPEBD@Z
@@ -2192,7 +2192,7 @@
     ?NextCapacity@?$Storage@PEBUCordRep@cord_internal@absl@@$0CP@V?$allocator@PEBUCordRep@cord_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
     ?NextCapacity@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
     ?NextCapacity@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
-    ?NextRandom@ExponentialBiased@base_internal@absl@@SA_K_K@Z
+    ?NextRandom@ExponentialBiased@profiling_internal@absl@@SA_K_K@Z
     ?NextTransition@Impl@time_zone@cctz@time_internal@absl@@QEBA_NAEBV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PEAUcivil_transition@2345@@Z
     ?NextTransition@TimeZone@absl@@QEBA_NVTime@2@PEAUCivilTransition@12@@Z
     ?NextTransition@TimeZoneInfo@cctz@time_internal@absl@@UEBA_NAEBV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PEAUcivil_transition@time_zone@234@@Z
diff --git a/symbols_arm64_rel.def b/symbols_arm64_rel.def
index dd2acfd..f2e7e45 100644
--- a/symbols_arm64_rel.def
+++ b/symbols_arm64_rel.def
@@ -455,7 +455,7 @@
     ?GetPayload@Status@absl@@QEBA?AV?$optional@VCord@absl@@@2@Vstring_view@2@@Z
     ?GetPrependBuffer@CordRepRing@cord_internal@absl@@QEAA?AV?$Span@D@3@_K@Z
     ?GetProgramCounter@debugging_internal@absl@@YAPEAXPEAX@Z
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QEBA?AV?$Span@QEAX@3@XZ
     ?GetStackFrames@absl@@YAHPEAPEAXPEAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPEAPEAXPEAHHHPEBX1@Z
@@ -463,7 +463,7 @@
     ?GetStackTrace@absl@@YAHPEAPEAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPEAPEAXHHPEBXPEAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@AEBVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPEAU?$atomic@H@__1@std@@XZ
     ?GetTransitionType@TimeZoneInfo@cctz@time_internal@absl@@AEAA_NH_NAEBV?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@PEAE@Z
@@ -484,7 +484,7 @@
     ?Init@PerThreadSem@synchronization_internal@absl@@CAXPEAUThreadIdentity@base_internal@3@@Z
     ?InitFrom@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QEAAXAEBV123@@Z
     ?InitWhat@BadStatusOrAccess@absl@@AEBAXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AEAAXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AEAAXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PEAUCordRepExternal@12@@Z
     ?InitializeSymbolizer@absl@@YAXPEBD@Z
     ?InsertEdge@GraphCycles@synchronization_internal@absl@@QEAA_NUGraphId@23@0@Z
diff --git a/symbols_x64_dbg.def b/symbols_x64_dbg.def
index 35707e4..d3d80a8 100644
--- a/symbols_x64_dbg.def
+++ b/symbols_x64_dbg.def
@@ -2004,7 +2004,7 @@
     ?GetSizeAndIsAllocated@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QEBAAEB_KXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QEAAAEA_KXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QEBAAEB_KXZ
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QEBA?AV?$Span@QEAX@3@XZ
     ?GetStackFrames@absl@@YAHPEAPEAXPEAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPEAPEAXPEAHHHPEBX1@Z
@@ -2012,7 +2012,7 @@
     ?GetStackTrace@absl@@YAHPEAPEAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPEAPEAXHHPEBXPEAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@AEBVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetTagForChar@str_format_internal@absl@@YA?AVConvTag@12@D@Z
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPEAU?$atomic@H@__1@std@@XZ
@@ -2053,7 +2053,7 @@
     ?InitInstance@CordRepBtree@cord_internal@absl@@AEAAXH_K0@Z
     ?InitTree@ChunkIterator@Cord@absl@@AEAAXPEAUCordRep@cord_internal@3@@Z
     ?InitWhat@BadStatusOrAccess@absl@@AEBAXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AEAAXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AEAAXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PEAUCordRepExternal@12@@Z
     ?InitializeData@Storage@?$FixedArray@PEAUCordRep@cord_internal@absl@@$0?0V?$allocator@PEAUCordRep@cord_internal@absl@@@__1@std@@@absl@@AEAAPEAPEAUCordRep@cord_internal@3@XZ
     ?InitializeSymbolizer@absl@@YAXPEBD@Z
@@ -2194,7 +2194,7 @@
     ?NextCapacity@?$Storage@PEBUCordRep@cord_internal@absl@@$0CP@V?$allocator@PEBUCordRep@cord_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
     ?NextCapacity@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
     ?NextCapacity@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@SA_K_K@Z
-    ?NextRandom@ExponentialBiased@base_internal@absl@@SA_K_K@Z
+    ?NextRandom@ExponentialBiased@profiling_internal@absl@@SA_K_K@Z
     ?NextTransition@Impl@time_zone@cctz@time_internal@absl@@QEBA_NAEBV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PEAUcivil_transition@2345@@Z
     ?NextTransition@TimeZone@absl@@QEBA_NVTime@2@PEAUCivilTransition@12@@Z
     ?NextTransition@TimeZoneInfo@cctz@time_internal@absl@@UEBA_NAEBV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PEAUcivil_transition@time_zone@234@@Z
diff --git a/symbols_x64_rel.def b/symbols_x64_rel.def
index ffde602..b7987c6 100644
--- a/symbols_x64_rel.def
+++ b/symbols_x64_rel.def
@@ -455,7 +455,7 @@
     ?GetPayload@Status@absl@@QEBA?AV?$optional@VCord@absl@@@2@Vstring_view@2@@Z
     ?GetPrependBuffer@CordRepRing@cord_internal@absl@@QEAA?AV?$Span@D@3@_K@Z
     ?GetProgramCounter@debugging_internal@absl@@YAPEAXPEAX@Z
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QEBA?AV?$Span@QEAX@3@XZ
     ?GetStackFrames@absl@@YAHPEAPEAXPEAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPEAPEAXPEAHHHPEBX1@Z
@@ -463,7 +463,7 @@
     ?GetStackTrace@absl@@YAHPEAPEAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPEAPEAXHHPEBXPEAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@AEBVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPEAU?$atomic@H@__1@std@@XZ
     ?GetTransitionType@TimeZoneInfo@cctz@time_internal@absl@@AEAA_NH_NAEBV?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@PEAE@Z
@@ -484,7 +484,7 @@
     ?Init@PerThreadSem@synchronization_internal@absl@@CAXPEAUThreadIdentity@base_internal@3@@Z
     ?InitFrom@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QEAAXAEBV123@@Z
     ?InitWhat@BadStatusOrAccess@absl@@AEBAXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AEAAXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AEAAXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PEAUCordRepExternal@12@@Z
     ?InitializeSymbolizer@absl@@YAXPEBD@Z
     ?InsertEdge@GraphCycles@synchronization_internal@absl@@QEAA_NUGraphId@23@0@Z
diff --git a/symbols_x64_rel_asan.def b/symbols_x64_rel_asan.def
index 94a0665..9312f4b 100644
--- a/symbols_x64_rel_asan.def
+++ b/symbols_x64_rel_asan.def
@@ -467,7 +467,7 @@
     ?GetPayload@Status@absl@@QEBA?AV?$optional@VCord@absl@@@2@Vstring_view@2@@Z
     ?GetPrependBuffer@CordRepRing@cord_internal@absl@@QEAA?AV?$Span@D@3@_K@Z
     ?GetProgramCounter@debugging_internal@absl@@YAPEAXPEAX@Z
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QEBA?AV?$Span@QEAX@3@XZ
     ?GetStackFrames@absl@@YAHPEAPEAXPEAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPEAPEAXPEAHHHPEBX1@Z
@@ -475,7 +475,7 @@
     ?GetStackTrace@absl@@YAHPEAPEAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPEAPEAXHHPEBXPEAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@AEBVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QEAA_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QEAA_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPEAU?$atomic@H@__1@std@@XZ
     ?GetTransitionType@TimeZoneInfo@cctz@time_internal@absl@@AEAA_NH_NAEBV?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@PEAE@Z
@@ -496,7 +496,7 @@
     ?Init@PerThreadSem@synchronization_internal@absl@@CAXPEAUThreadIdentity@base_internal@3@@Z
     ?InitFrom@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QEAAXAEBV123@@Z
     ?InitWhat@BadStatusOrAccess@absl@@AEBAXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AEAAXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AEAAXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PEAUCordRepExternal@12@@Z
     ?InitializeData@Storage@?$FixedArray@PEAUCordRep@cord_internal@absl@@$0?0V?$allocator@PEAUCordRep@cord_internal@absl@@@__1@std@@@absl@@AEAAPEAPEAUCordRep@cord_internal@3@XZ
     ?InitializeSymbolizer@absl@@YAXPEBD@Z
diff --git a/symbols_x86_dbg.def b/symbols_x86_dbg.def
index 798af1a..8f9a86a 100644
--- a/symbols_x86_dbg.def
+++ b/symbols_x86_dbg.def
@@ -1998,7 +1998,7 @@
     ?GetSizeAndIsAllocated@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QBEABIXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QAEAAIXZ
     ?GetSizeAndIsAllocated@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@QBEABIXZ
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QAE_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QAE_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QBE?AV?$Span@QAX@3@XZ
     ?GetStackFrames@absl@@YAHPAPAXPAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPAPAXPAHHHPBX1@Z
@@ -2006,7 +2006,7 @@
     ?GetStackTrace@absl@@YAHPAPAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPAPAXHHPBXPAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@ABVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QAE_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QAE_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetTagForChar@str_format_internal@absl@@YA?AVConvTag@12@D@Z
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPAU?$atomic@H@__1@std@@XZ
@@ -2047,7 +2047,7 @@
     ?InitInstance@CordRepBtree@cord_internal@absl@@AAEXHII@Z
     ?InitTree@ChunkIterator@Cord@absl@@AAEXPAUCordRep@cord_internal@3@@Z
     ?InitWhat@BadStatusOrAccess@absl@@ABEXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AAEXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AAEXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PAUCordRepExternal@12@@Z
     ?InitializeData@Storage@?$FixedArray@PAUCordRep@cord_internal@absl@@$0PPPPPPPP@V?$allocator@PAUCordRep@cord_internal@absl@@@__1@std@@@absl@@AAEPAPAUCordRep@cord_internal@3@XZ
     ?InitializeSymbolizer@absl@@YAXPBD@Z
@@ -2188,7 +2188,7 @@
     ?NextCapacity@?$Storage@PBUCordRep@cord_internal@absl@@$0CP@V?$allocator@PBUCordRep@cord_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SAII@Z
     ?NextCapacity@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@SAII@Z
     ?NextCapacity@?$Storage@USubRange@absl@@$0CP@V?$allocator@USubRange@absl@@@__1@std@@@inlined_vector_internal@absl@@SAII@Z
-    ?NextRandom@ExponentialBiased@base_internal@absl@@SA_K_K@Z
+    ?NextRandom@ExponentialBiased@profiling_internal@absl@@SA_K_K@Z
     ?NextTransition@Impl@time_zone@cctz@time_internal@absl@@QBE_NABV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PAUcivil_transition@2345@@Z
     ?NextTransition@TimeZone@absl@@QBE_NVTime@2@PAUCivilTransition@12@@Z
     ?NextTransition@TimeZoneInfo@cctz@time_internal@absl@@UBE_NABV?$time_point@Vsystem_clock@chrono@__1@std@@V?$duration@_JV?$ratio@$00$00@__1@std@@@234@@chrono@__1@std@@PAUcivil_transition@time_zone@234@@Z
diff --git a/symbols_x86_rel.def b/symbols_x86_rel.def
index 0f26187..0e3898c 100644
--- a/symbols_x86_rel.def
+++ b/symbols_x86_rel.def
@@ -456,7 +456,7 @@
     ?GetPayload@Status@absl@@QBE?AV?$optional@VCord@absl@@@2@Vstring_view@2@@Z
     ?GetPrependBuffer@CordRepRing@cord_internal@absl@@QAE?AV?$Span@D@3@I@Z
     ?GetProgramCounter@debugging_internal@absl@@YAPAXPAX@Z
-    ?GetSkipCount@ExponentialBiased@base_internal@absl@@QAE_J_J@Z
+    ?GetSkipCount@ExponentialBiased@profiling_internal@absl@@QAE_J_J@Z
     ?GetStack@CordzInfo@cord_internal@absl@@QBE?AV?$Span@QAX@3@XZ
     ?GetStackFrames@absl@@YAHPAPAXPAHHH@Z
     ?GetStackFramesWithContext@absl@@YAHPAPAXPAHHHPBX1@Z
@@ -464,7 +464,7 @@
     ?GetStackTrace@absl@@YAHPAPAXHH@Z
     ?GetStackTraceWithContext@absl@@YAHPAPAXHHPBXPAH@Z
     ?GetStatusPayloadPrinter@status_internal@absl@@YAP6A?AV?$optional@V?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@@2@Vstring_view@2@ABVCord@2@@ZXZ
-    ?GetStride@ExponentialBiased@base_internal@absl@@QAE_J_J@Z
+    ?GetStride@ExponentialBiased@profiling_internal@absl@@QAE_J_J@Z
     ?GetTID@base_internal@absl@@YAIXZ
     ?GetThreadBlockedCounter@PerThreadSem@synchronization_internal@absl@@SAPAU?$atomic@H@__1@std@@XZ
     ?GetTransitionType@TimeZoneInfo@cctz@time_internal@absl@@AAE_NH_NABV?$basic_string@DU?$char_traits@D@__1@std@@V?$allocator@D@23@@__1@std@@PAE@Z
@@ -485,7 +485,7 @@
     ?Init@PerThreadSem@synchronization_internal@absl@@CAXPAUThreadIdentity@base_internal@3@@Z
     ?InitFrom@?$Storage@UPayload@status_internal@absl@@$00V?$allocator@UPayload@status_internal@absl@@@__1@std@@@inlined_vector_internal@absl@@QAEXABV123@@Z
     ?InitWhat@BadStatusOrAccess@absl@@ABEXXZ
-    ?Initialize@ExponentialBiased@base_internal@absl@@AAEXXZ
+    ?Initialize@ExponentialBiased@profiling_internal@absl@@AAEXXZ
     ?InitializeCordRepExternal@cord_internal@absl@@YAXVstring_view@2@PAUCordRepExternal@12@@Z
     ?InitializeSymbolizer@absl@@YAXPBD@Z
     ?InsertEdge@GraphCycles@synchronization_internal@absl@@QAE_NUGraphId@23@0@Z