Use absl::NoDestructor for global HashtablezSampler.

PiperOrigin-RevId: 601156448
Change-Id: Id6d19bda7eb3acee11cfab3a95e611996d6ef4cc

absl/container/BUILD.bazel

@@ -563,6 +563,7 @@ cc_library(
         "//absl/base",
         "//absl/base",
         "//absl/base:config",
         "//absl/base:config",
         "//absl/base:core_headers",
         "//absl/base:core_headers",
+        "//absl/base:no_destructor",
         "//absl/base:raw_logging_internal",
         "//absl/base:raw_logging_internal",
         "//absl/debugging:stacktrace",
         "//absl/debugging:stacktrace",
         "//absl/memory",
         "//absl/memory",

absl/container/CMakeLists.txt

@@ -602,6 +602,7 @@ absl_cc_library(
     absl::base
     absl::base
     absl::config
     absl::config
     absl::exponential_biased
     absl::exponential_biased
+    absl::no_destructor
     absl::raw_logging_internal
     absl::raw_logging_internal
     absl::sample_recorder
     absl::sample_recorder
     absl::synchronization
     absl::synchronization

absl/container/internal/hashtablez_sampler.cc

@@ -24,6 +24,7 @@
 #include "absl/base/attributes.h"
 #include "absl/base/attributes.h"
 #include "absl/base/config.h"
 #include "absl/base/config.h"
 #include "absl/base/internal/raw_logging.h"
 #include "absl/base/internal/raw_logging.h"
+#include "absl/base/no_destructor.h"
 #include "absl/debugging/stacktrace.h"
 #include "absl/debugging/stacktrace.h"
 #include "absl/memory/memory.h"
 #include "absl/memory/memory.h"
 #include "absl/profiling/internal/exponential_biased.h"
 #include "absl/profiling/internal/exponential_biased.h"
@@ -64,7 +65,7 @@ ABSL_PER_THREAD_TLS_KEYWORD SamplingState global_next_sample = {0, 0};
 #endif  // defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE)
 #endif  // defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE)
 
 
 HashtablezSampler& GlobalHashtablezSampler() {
 HashtablezSampler& GlobalHashtablezSampler() {
-  static auto* sampler = new HashtablezSampler();
+  static absl::NoDestructor<HashtablezSampler> sampler;
   return *sampler;
   return *sampler;
 }
 }