Export of internal Abseil changes.

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9fa04b5fb4b6aeb47226b9095b3bc36a53669c39 by Abseil Team <absl-team@google.com>:

Release types/compare.h, which contains stand ins for three-way comparison result types from C++20. Use absl::weak_ordering for a three-way comparator in test-instance-tracker.h.

PiperOrigin-RevId: 247290078

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70a762f4eb35ea1d5a5fcb3274a8086824a0b82c by Derek Mauro <dmauro@google.com>:

Upgrade linux_clang-latest builds to LLVM r356814 and Bazel 0.25.0

PiperOrigin-RevId: 247250176

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f305cd5c36561e4dbb69eb87568553ae5badcb15 by CJ Johnson <johnsoncj@google.com>:

Remove argument deduction based on template template argument in InlinedVector/Storage

PiperOrigin-RevId: 247232334

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2cab8e426838baceb7d08edb313416480d26aa5b by Eric Fiselier <ericwf@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 247140132
GitOrigin-RevId: 9fa04b5fb4b6aeb47226b9095b3bc36a53669c39
Change-Id: I373a7d9bc90befa2a9f06555cb8703610c0313b9

1 files changed, 10 insertions, 0 deletions

diff --git a/absl/container/internal/test_instance_tracker.h b/absl/container/internal/test_instance_tracker.h
index 032d16d33ffa..3d4b2980ea8b 100644
--- a/absl/container/internal/test_instance_tracker.h
+++ b/absl/container/internal/test_instance_tracker.h
@@ -18,6 +18,8 @@
 #include <cstdlib>
 #include <ostream>
 
+#include "absl/types/compare.h"
+
 namespace absl {
 namespace test_internal {
 
@@ -96,6 +98,14 @@ class BaseCountedInstance {
     return value_ >= x.value_;
   }
 
+  absl::weak_ordering compare(const BaseCountedInstance& x) const {
+    ++num_comparisons_;
+    return value_ < x.value_
+               ? absl::weak_ordering::less
+               : value_ == x.value_ ? absl::weak_ordering::equivalent
+                                    : absl::weak_ordering::greater;
+  }
+
   int value() const {
     if (!is_live_) std::abort();
     return value_;