Export of internal Abseil changes

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0db7f4046f9b59c0f8c3df2f0eb7fd88fc328439 by Abseil Team <absl-team@google.com>:

Revise documentation of bit_cast:

* Removes inappropriate examples (round-tripping pointers, serialization), for which reinterpret_cast is more appropriate.
* Removes mention of "bit representation", which is not an explicit notion in C++. The best we get is "byte representation".
* Removes a circular defition of "bitcast" as itself, and instead explains what it does.
* Removes the mathism "for some values of", which is probably not totally accessible to a general audience, and in any case needless verbiage.
* Fixes comments in the example.
* Replaces some colloquialisms with simpler, more direct language.

PiperOrigin-RevId: 421791786

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e04e64df55d93c1b9a09c0483b97cc4d8763260d by Derek Mauro <dmauro@google.com>:

Update Docker image to use GCC 11.2, Clang 14 (prerelease),
CMake 3.22.1, and Bazel 4.2.2

PiperOrigin-RevId: 421658559

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d002bb3dc5cd1fc5b4cbd79a450efc894caa567c by Chris Kennelly <ckennelly@google.com>:

Add a small microbenchmark for absl::bit_width.

PiperOrigin-RevId: 421604852

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131b057d1b76ecd7170421b48d661bb958ff676b by Evan Brown <ezb@google.com>:

Adds a disabled test for EBO in nested `CompressedTuple`s.

PiperOrigin-RevId: 421413134

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e34c7876d3a1212d90c73c030ccae6169b682d43 by Jorg Brown <jorg@google.com>:

Show users a better error message if they pass a pointer to absl::Uniform.

PiperOrigin-RevId: 421090472
GitOrigin-RevId: 0db7f4046f9b59c0f8c3df2f0eb7fd88fc328439
Change-Id: I5a004e8d17e974fa4897a09d1466ae8fc65dfdbb

1 files changed, 10 insertions, 0 deletions

diff --git a/absl/container/internal/compressed_tuple_test.cc b/absl/container/internal/compressed_tuple_test.cc
index 62a7483e..74111f97 100644
--- a/absl/container/internal/compressed_tuple_test.cc
+++ b/absl/container/internal/compressed_tuple_test.cc
@@ -403,6 +403,16 @@ TEST(CompressedTupleTest, EmptyFinalClass) {
 }
 #endif
 
+// TODO(b/214288561): enable this test.
+TEST(CompressedTupleTest, DISABLED_NestedEbo) {
+  struct Empty1 {};
+  struct Empty2 {};
+  CompressedTuple<Empty1, CompressedTuple<Empty2>, int> x;
+  CompressedTuple<Empty1, Empty2, int> y;
+  // Currently fails with sizeof(x) == 8, sizeof(y) == 4.
+  EXPECT_EQ(sizeof(x), sizeof(y));
+}
+
 }  // namespace
 }  // namespace container_internal
 ABSL_NAMESPACE_END