Export of internal Abseil changes.

--
c2e2e2b21c3fe59b63279e7418c93c7289ee3e27 by Mark Barolak <mbar@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 256220326

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3996b01f0c3eb60f72825b154dce8019b6215f1d by Derek Mauro <dmauro@google.com>:

Add GCC 4.9 test script. This will become our new minumum version and
GCC 4.8 will be removed soon.

PiperOrigin-RevId: 256160891

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2c13aa44bc8e497ebae9abe8b8adf73c2152622d by Abseil Team <absl-team@google.com>:

[Trivial] tweak flat_hash_map.h doc comment

The comment is probably right both ways, but the lack of an "if" here seemed jarring to me.

PiperOrigin-RevId: 256089069

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16bc03b9b30fbf08d7dc61025fa8ec4b57077be8 by Abseil Team <absl-team@google.com>:

Fix symbolization for elf files whose SYMTAB section is stripped, but have a DYNSYM section.

Previously, if we did not find a SYMTAB section, we would bail out of symbolization early, rather than checking the DYNSYM section.

PiperOrigin-RevId: 256061954

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4c60ee329b1eeb0b0d10c4f76f282e5fbae2c5b2 by Derek Mauro <dmauro@google.com>:

Update to LLVM r363242 and Bazel 0.27.0

PiperOrigin-RevId: 256024405

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18e1ba970d33f122026803d8ca90035b9088949d by Eric Fiselier <ericwf@google.com>:

Disable variant tests that break with P0608R3

PiperOrigin-RevId: 255975764

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0a89858464977e86096b62476faa3b64eb94aa1d by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 255891019

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9b7424cac66f5407f0ed74ed288bf3099a4fa330 by CJ Johnson <johnsoncj@google.com>:

Updates the implementation of InlinedVector::insert(...) to be exception safe and adds an exception safety tests for insert(...)

PiperOrigin-RevId: 255881809

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1288f4ba3883c510d92b09437fb8b051c19aa241 by CJ Johnson <johnsoncj@google.com>:

Updates the implementation of InlinedVector::insert(...) to be exception safe and adds an exception safety tests for insert(...)

PiperOrigin-RevId: 255875277

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39c04f3621491eaff9e2eda619718d5b5f20fbd9 by Abseil Team <absl-team@google.com>:

Use a typedef to allow building with NVCC

Without this change NVCC fails to compile compressed_tuple.h.  NVCC is relevant
because TensorFlow uses NVCC on Ubuntu and inclues abseil.

PiperOrigin-RevId: 255850176

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e23f0309ccad69eb508ca02c9034cd4cdd740da0 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 255787167

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054aafcebf595077054164f1da3703124ab209b4 by Abseil Team <absl-team@google.com>:

Updates the ScopedAllocatorWorks test for InlinedVector to not rely on the byte count allocated by the standard library

In doing so, removes LegacyNextCapacityFrom(...) impl function from InlinedVector

Also applies clang-format to the test file

PiperOrigin-RevId: 255760356

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eb05fc9f78e3a163c93f1866e9fe9a8ad0d01622 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 255706834

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97abb824417604c45d9fcbb3e4ff1aa3000836f2 by Jorg Brown <jorg@google.com>:

Enhance compatibility of abseil's strings package with nvcc.

PiperOrigin-RevId: 255688500

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efc5b9c221ee31e15d10b35d31c8f3ae6eddaa8c by Abseil Team <absl-team@google.com>:

Follow CCTZ's lead and allow GetWeekday() and GetYearDay() to be
called with any civil-time type.  A CivilSecond, for example, has
a weekday just as much as a CivilDay does.

PiperOrigin-RevId: 255659840

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a75acbe954457919d8c6c8f4c2339b543760b375 by Derek Mauro <dmauro@google.com>:

Increase the timeout of randen_engine_test.
It seems to timeout under TSAN often enough to justify the increase.

PiperOrigin-RevId: 255628086

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160976ba47c7c6eb57af08e21f8eb640aa51e91b by Derek Mauro <dmauro@google.com>:

Update CMake documentation
Fixes https://github.com/abseil/abseil-cpp/issues/332

PiperOrigin-RevId: 255607313
GitOrigin-RevId: c2e2e2b21c3fe59b63279e7418c93c7289ee3e27
Change-Id: Iba4ac7ed23cbcdb22965b4958601f689be92cda4

4 files changed, 27 insertions, 12 deletions

diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel
index f18b1600..20511a35 100644
--- a/absl/strings/BUILD.bazel
+++ b/absl/strings/BUILD.bazel
@@ -559,7 +559,6 @@ cc_library(
         ":strings",
         "//absl/base:config",
         "//absl/base:core_headers",
-        "//absl/container:inlined_vector",
         "//absl/meta:type_traits",
         "//absl/numeric:int128",
         "//absl/types:span",
diff --git a/absl/strings/CMakeLists.txt b/absl/strings/CMakeLists.txt
index f7821290..e63eec19 100644
--- a/absl/strings/CMakeLists.txt
+++ b/absl/strings/CMakeLists.txt
@@ -387,7 +387,6 @@ absl_cc_library(
     absl::strings
     absl::config
     absl::core_headers
-    absl::inlined_vector
     absl::type_traits
     absl::int128
     absl::span
diff --git a/absl/strings/internal/str_format/bind.h b/absl/strings/internal/str_format/bind.h
index 4f782952..7df140a4 100644
--- a/absl/strings/internal/str_format/bind.h
+++ b/absl/strings/internal/str_format/bind.h
@@ -7,7 +7,6 @@
 #include <string>
 
 #include "absl/base/port.h"
-#include "absl/container/inlined_vector.h"
 #include "absl/strings/internal/str_format/arg.h"
 #include "absl/strings/internal/str_format/checker.h"
 #include "absl/strings/internal/str_format/parser.h"
@@ -138,7 +137,17 @@ class Streamable {
  public:
   Streamable(const UntypedFormatSpecImpl& format,
              absl::Span<const FormatArgImpl> args)
-      : format_(format), args_(args.begin(), args.end()) {}
+      : format_(format) {
+    if (args.size() <= ABSL_ARRAYSIZE(few_args_)) {
+      for (size_t i = 0; i < args.size(); ++i) {
+        few_args_[i] = args[i];
+      }
+      args_ = absl::MakeSpan(few_args_, args.size());
+    } else {
+      many_args_.assign(args.begin(), args.end());
+      args_ = many_args_;
+    }
+  }
 
   std::ostream& Print(std::ostream& os) const;
 
@@ -148,7 +157,12 @@ class Streamable {
 
  private:
   const UntypedFormatSpecImpl& format_;
-  absl::InlinedVector<FormatArgImpl, 4> args_;
+  absl::Span<const FormatArgImpl> args_;
+  // if args_.size() is 4 or less:
+  FormatArgImpl few_args_[4] = {FormatArgImpl(0), FormatArgImpl(0),
+                                FormatArgImpl(0), FormatArgImpl(0)};
+  // if args_.size() is more than 4:
+  std::vector<FormatArgImpl> many_args_;
 };
 
 // for testing
diff --git a/absl/strings/str_format_test.cc b/absl/strings/str_format_test.cc
index 96c62349..cfd81bb3 100644
--- a/absl/strings/str_format_test.cc
+++ b/absl/strings/str_format_test.cc
@@ -30,8 +30,8 @@ TEST_F(FormatEntryPointTest, UntypedFormat) {
     "",
     "a",
     "%80d",
-#if !defined(_MSC_VER) && !defined(__ANDROID__)
-    // MSVC and Android don't support positional syntax.
+#if !defined(_MSC_VER) && !defined(__ANDROID__) && !defined(__native_client__)
+    // MSVC, NaCL and Android don't support positional syntax.
     "complicated multipart %% %1$d format %1$0999d",
 #endif  // _MSC_VER
   };
@@ -153,17 +153,20 @@ TEST_F(FormatEntryPointTest, Stream) {
     "",
     "a",
     "%80d",
-#if !defined(_MSC_VER) && !defined(__ANDROID__)
-    // MSVC doesn't support positional syntax.
+    "%d %u %c %s %f %g",
+#if !defined(_MSC_VER) && !defined(__ANDROID__) && !defined(__native_client__)
+    // MSVC, NaCL and Android don't support positional syntax.
     "complicated multipart %% %1$d format %1$080d",
 #endif  // _MSC_VER
   };
   std::string buf(4096, '\0');
   for (const auto& fmt : formats) {
-    const auto parsed = ParsedFormat<'d'>::NewAllowIgnored(fmt);
+    const auto parsed =
+        ParsedFormat<'d', 'u', 'c', 's', 'f', 'g'>::NewAllowIgnored(fmt);
     std::ostringstream oss;
-    oss << StreamFormat(*parsed, 123);
-    int fmt_result = snprintf(&*buf.begin(), buf.size(), fmt.c_str(), 123);
+    oss << StreamFormat(*parsed, 123, 3, 49, "multistreaming!!!", 1.01, 1.01);
+    int fmt_result = snprintf(&*buf.begin(), buf.size(), fmt.c_str(),  //
+                                 123, 3, 49, "multistreaming!!!", 1.01, 1.01);
     ASSERT_TRUE(oss) << fmt;
     ASSERT_TRUE(fmt_result >= 0 && static_cast<size_t>(fmt_result) < buf.size())
         << fmt_result;