- 06abebb2bdb201c572da209fc7f781d6bd774d6b Documentation fixes for `absl::optional`. by Abseil Team <absl-team@google.com>
  - 42adc4c4daade2e070dc337e94d8851a1fd4bead  Rolling back the previous change because `__has_warning`... by Xiaoyi Zhang <zhangxy@google.com>
  - 02a42cbaa97d82ee7942bc498538359185d75087 Remove literal UTF8 strings in abseil code to avoid file ... by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: 06abebb2bdb201c572da209fc7f781d6bd774d6b
Change-Id: I4f4659c2e7ca6fc585b6c089bcf20ca61aced75d

  - 93fb81f991e9079769aa28381426f318a1c64377 Add an iterable container of valid absl::LogSeverity valu... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 93fb81f991e9079769aa28381426f318a1c64377
Change-Id: I63d2c6fe6865f5f92a2260368c58585bc994b5e4

  - c77facb7ba7c12d656e213e5d63d7dcd9d1f56ba Present the Writer* methods as an option, rather than an ... by Abseil Team <absl-team@google.com>
  - c6004d718f185868dee2ec48b4de6425399b062d Split exception_safety_testing out into its own cmake rul... by Jon Cohen <cohenjon@google.com>
  - 9aa6fc7b34674472d808ed8021f3b20faea82f78 Downstream https://github.com/abseil/abseil-cpp/pull/69 by Jon Cohen <cohenjon@google.com>
  - 13d340269f284b815cc409d2271099e535f4cba4 Internal change by Jon Cohen <cohenjon@google.com>
  - 51840a9243ac9d47eb3c177398d10bb3341f3230 Fix assertion in conversion from floating point types to ... by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: c77facb7ba7c12d656e213e5d63d7dcd9d1f56ba
Change-Id: I7590561b04a986ffbec7139bb9c3aea319a3b975

Relax dependency requirements for google test library and allow customization of cctz target

Converted absl_utility to Header-only CMake Target

  - 53419b5e123c4c9c47ecfe52ba747a271b03ae9c Add the sampling weight to MallocHook_SampledAlloc, so th... by Abseil Team <absl-team@google.com>
  - 8689c9a0dc685f50ba843a8d0d7d4274a1ec656a Factor out inline variable detection to separate macro. by Matt Calabrese <calabrese@google.com>
  - 0eac39ee9d81c03b8335c1cd3871d0dc4ec7bca7 Log the actual and expected durations for failed timing t... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 53419b5e123c4c9c47ecfe52ba747a271b03ae9c
Change-Id: I4ae8f5c0e924cdeee253fdf37d483d47893fc64c

  - bf0a6e6c8e5baf66a041741588e19ddf68180879 Inline Mutex constructor. by Abseil Team <absl-team@google.com>
  - d53a9c76bc8a16bf79ed7118ca279ca8bebdf18b Internal merge of https://github.com/abseil/abseil-cpp/pu... by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: bf0a6e6c8e5baf66a041741588e19ddf68180879
Change-Id: Iebb4f88f59b7476012e19895ea6f348a2af4a1ae

[Bazel/MSVC] Don't use -fexceptions directly

  - a74a7e9027e3f90835ae0f553f98be294781da18 Internal change by Abseil Team <absl-team@google.com>
  - 2d32db6ed063f93b67886b9c27602d5aea3c21f7 Add /D_SCL_SECURE_NO_WARNINGS to MSVC builds to disable c... by Jon Cohen <cohenjon@google.com>
  - 54f40318d1de67b6b25f8aa68343f8bbcde8c304 Use sized delete in FixedArray. by Chris Kennelly <ckennelly@google.com>
  - 193f50b3500ab1a102a00df4e05ad7b969e9337b Fixes some warnings that show up during builds with msvc. by Greg Miller <jgm@google.com>

GitOrigin-RevId: a74a7e9027e3f90835ae0f553f98be294781da18
Change-Id: I6d2b1f496974a1399ca5db6b71274368c2699a59

  - 0320844dcd8219965647f86db7c6c7296e40e41e Introduce internal macros for inline variable emulation s... by Matt Calabrese <calabrese@google.com>
  - 85197d0105805e6aab3a0a648351cb1582a61be0 Internal change. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 0320844dcd8219965647f86db7c6c7296e40e41e
Change-Id: I7dce37f6839ff099462951059a9047c5c9377638

  - d7810aa3eadf258776b9c4914df3b3db68791829 absl::optional<T>::value_or(U) now enforces copy/move by Matt Armstrong <marmstrong@google.com>
  - 3cc15e447c1851a91dd88e537e5f74faece605a3 Use ABSL_EXCEPTIONS_FLAG instead of -fexceptions in absl/... by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: d7810aa3eadf258776b9c4914df3b3db68791829
Change-Id: Ib40e22678944b633e734af790449871630f0eeab

  - 5140470240e110cdad301446124b2e6075c4034a Fix typos in the Abseil issue template. by Shaindel Schwartz <shaindel@google.com>
  - 97a197521aa13fed099483c5424be1d4d8a87add Removing deprecated internal interfaces from FixedArray. by Daniel Katz <katzdm@google.com>
  - 2a222b425752e696db5c1688f1dfdb17e228cae9 Rollback for test breakage. by Andrew Hunter <ahh@google.com>
  - d2d27e3ff67021b85726c1fc4d1d18b15e648ecf use std::allocator, not ::operator new in FixedArray for ... by Andrew Hunter <ahh@google.com>
  - 8e0c0a9f5e29e00e0dfca707b88741a7546d09d6 No need to test defined(__has_warning) if not using it by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 5140470240e110cdad301446124b2e6075c4034a
Change-Id: I485aa818efa07f960c924edb62715b5cbc41b97b

  - 3f758237a43af1f277990492701d26d1153b4d74 Generalize the construction/destruction tests, to prepare... by Greg Falcon <gfalcon@google.com>
  - 7bea88f74fbac34b0c0b00b8b832a544988b9465 Simplify non intrinsic uint128 multiply. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 3f758237a43af1f277990492701d26d1153b4d74
Change-Id: Idd9a2df0b90403f10f56bb66d30b76a8ba9f50e7

  - 5e874e644191fbf99f5636d6303de2b28b23392c Adds a absl::apply function, similar to c++17's std::apply. by Abseil Team <absl-team@google.com>
  - 16373c438d16a09725dace03ab7ba0f7c2337279 Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - a623257aaaff8a5fba3377f34f92f319a104e444 Update absl::CondVar documentation in response to GitHub ... by Derek Mauro <dmauro@google.com>
  - 87d58a25bc4ecd46165dd1c417121c86cbc07be0 Add assert against uint128 negative bit shift undefined b... by Alex Strelnikov <strel@google.com>
  - af155c0d2a3556b56a9bcd6f9ee7416277185df8 Fix comment typos. by Abseil Team <absl-team@google.com>
  - 1824ae832eb75d447dea730b5968d952897e135a Rollback of: Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - 97318f087ce63dd5acf1e0d3d697cd90a7d6ebfd Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com>
  - 9dd1d17dca17f0ded3bda336b7521fd57d08a5cc Move log_severity.h out of internal. by Abseil Team <absl-team@google.com>
  - 2212bb56b1a8365d2303ff0983441298d08444e5 Internal change. by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 5e874e644191fbf99f5636d6303de2b28b23392c
Change-Id: Ic270393ac1f15866afb64617d28269cd829030f6

  - c01cbbc23470f60e54aa28f88faa49df17d26c9c Add constexpr function for max uint128 to replace global ... by Alex Strelnikov <strel@google.com>
  - 07491549940e51fb6a0c8aad0ce101cb2830ee8e fix __GNUC__ typo in ABSL_ATTRIBUTE_RETURNS_NONNULL test by Abseil Team <absl-team@google.com>
  - 1bc29bafa53c387b0e097856cffb2fb9ce56c331 Remove redundant uint128 function cast expressions. by Alex Strelnikov <strel@google.com>
  - e3dddbd7be9e85e1bac77648af35ddccdba4500e Add ABSL_ATTRIBUTE_RETURNS_NONNULL macro. by Chris Kennelly <ckennelly@google.com>

GitOrigin-RevId: c01cbbc23470f60e54aa28f88faa49df17d26c9c
Change-Id: I7a5f608f58fb53bf013cdf56018f5b39842427fc

  - f679f7de2957ac4dca0a862d04f1165d2f503525 Merge GitHub PR #78: Fix typo in thread_identity.h by Derek Mauro <dmauro@google.com>
  - 369cbefc9ebb8503e3c25b1516c856dab3bed7ac Minor refactor of operator-(uint128). by Alex Strelnikov <strel@google.com>
  - fba0f8c33b051d90936ad0fcaa4bea83f554bf8d Merge GitHub PR #75: Fix typo in per_thread_tls.h by Derek Mauro <dmauro@google.com>
  - 76d5d25a54ab93c1ea3bc74b5a28ba335b0f2bab Implement InlinedVector::shrink_to_fit() method. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: f679f7de2957ac4dca0a862d04f1165d2f503525
Change-Id: I03b39fdbd70c00a455d98d949d413dd7c8019578

  - 8dea174f3f4178dd8b428e5cf73c37c4eefeb2ea Minor style changes and reorganization. Add missing copyr... by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 8dea174f3f4178dd8b428e5cf73c37c4eefeb2ea
Change-Id: I239f9dd6882172790b241f1af7a2acb23d54fb61

  - 0a519d9a4507158267cc515e0c7c83959d94fc78 Fix missing header include when compiling with _GLIBCXX_D... by Alex Strelnikov <strel@google.com>
  - d089af70781d92af9a5de2d84c417ddf2c87689a Internal change by Gennadiy Rozental <rogeeff@google.com>
  - 0d3afc89d3907923ede964d58c6bcca579e8ad65 Test absl::any for exception safety.  This test is tempor... by Jon Cohen <cohenjon@google.com>
  - 29af424b8a3174a7b3e657e478aa30a8a425aee2 Tweak the ABSL type trait library and expand its tests. by Abseil Team <absl-team@google.com>
  - 99ab42b2ebbe466cc3730fb6b16b5fad848f95af Rollback GLIBCXX_DEBUG fix due to internal breakage. by Alex Strelnikov <strel@google.com>
  - 1a5bcb93ee16d4dd2170254e54c4b62b38fbf17b Internal change. by Abseil Team <absl-team@google.com>
  - 46de7d09c7d4aef5b7b5389ce9b4f96b654aac02 absl::string_view::rfind: doc fix. by Abseil Team <absl-team@google.com>
  - edda4c7ddd2d76fbb5b3fd5226b95082083c57d9 Fix string_view_test with c++17/clang/libc++ to address by Xiaoyi Zhang <zhangxy@google.com>

GitOrigin-RevId: 0a519d9a4507158267cc515e0c7c83959d94fc78
Change-Id: Ie27de1be3e79bba011f05e924d34e8fcc62d8de5

  - 6e88015f26885b66ce9b11696eb9c8d96ef7c0f6 Add ABSL_MUST_USE_RESULT to absl::StripPrefix and absl::S... by Mark Barolak <mbar@google.com>
  - 47d8de97748da346ad2a962f27389e0380a7a716 Fix missing header include when compiling with _GLIBCXX_D... by Alex Strelnikov <strel@google.com>

GitOrigin-RevId: 6e88015f26885b66ce9b11696eb9c8d96ef7c0f6
Change-Id: I8698c77d9eab81455b209a6bef4bb2d5b32ebd65

  - d1a8e5ddbf9f96a4ca020260b21e03820c5ff966 Remove references to the non-existing StringPrintf API to... by Abseil Team <absl-team@google.com>
  - 64a422bc1620b29247a81fab2b08a7f23dfc1461 Add a copy and move constructor to FixedArray.  This does... by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: d1a8e5ddbf9f96a4ca020260b21e03820c5ff966
Change-Id: I4388bdf1260702f2847307abbac4bf265e8cf90f

  - 5923451fb3b082e8bedb800cb676378b0f52d651 Remove internal-only deprecated APIs. by Daniel Katz <katzdm@google.com>
  - c715bf6e5533a9a5d827e806ccd6e8ee68ad2a53 Small fix for comment in span.h by Abseil Team <absl-team@google.com>
  - ef89cc8dac0631b4ad3499d1f0883670b43567df Rename an internal detail to de-conflict with a badly-nam... by Abseil Team <absl-team@google.com>
  - b53761a945ffdab39d5340904ca822571672f11a Remove base/internal/log_severity.cc, which is omitted fr... by Abseil Team <absl-team@google.com>
  - 56685b1852840d3838e24d83849d56644949e9b7 Reimplementing MallocHook such that the C API wraps the C... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 5923451fb3b082e8bedb800cb676378b0f52d651
Change-Id: I9b854d46b57990c9a10971391d762b280488bcee

  - f13b203bb87afd3a9330030fb97a1318083d8618 Fix SubstituteTest under C++17 with libc++. by Derek Mauro <dmauro@google.com>
  - c551cdf6f70afac3f8ca143f4837f2187715eea9 Fix ABSL_HAVE_THREAD_LOCAL macro for Apple platforms. by Abseil Team <absl-team@google.com>
  - 931020efc43c184c4124975f50a02b377d960f9d Add Abseil Compilers Guide by Tom Manshreck <shreck@google.com>
  - 658f924ca7136c7994290955c5666b60da6ca5b9 Reimplement the SFINAE for allocator_traits::rebind to av... by Abseil Team <absl-team@google.com>
  - 4cb04fa739f70dd5ad0c8421ff4c444645136c7f Fix minor spelling error of 'returning'. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: f13b203bb87afd3a9330030fb97a1318083d8618
Change-Id: I8573087795a50f8cc8367b0af1aedfbd2a89a793

  - 20f4e7133d695e9a05e13ebdfd4d78da310b42b5 Remove the warning supressions -Wno-documentation and by Derek Mauro <dmauro@google.com>
  - e1bde85c0571673b1e7a88b9d45a393606ba7e6c Changed the optimized version of strings_internal::JoinAl... by Abseil Team <absl-team@google.com>
  - 746e6716b4c15be61547670d68d25a1c850d3954 Add missing absl:: qualification. by Alex Strelnikov <strel@google.com>
  - 4e5c18c488cbd49ca72b02911cf22d830d5a7f16 Internals change: Remove the ability to pass a custom met... by Greg Falcon <gfalcon@google.com>
  - 65d58107a5730d4b6468bbffc72bea2f980af826 Moved most common character case (ascii printable) out of... by Abseil Team <absl-team@google.com>
  - f031331cc55a3d57b9110e12c7cbe50ac3e2a04f Add missing copyright headers to a few source files. by Greg Falcon <gfalcon@google.com>
  - 6035a77af6fa951c536b42df4c710d16d1817aec Enable libstdc++'s memcmp optimization in absl::equal for... by Abseil Team <absl-team@google.com>
  - 73a665a4a10781e5d89f75a876ece7ad859f4116 Fix minor spelling error "hexidecimal". by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 20f4e7133d695e9a05e13ebdfd4d78da310b42b5
Change-Id: Id8c18ebd331d096935052a6ab259ebe0e2ef13ae

  - f59c2332341d6b1a3e045d61eb0065f7a226f807 Avoid preprocessing  '__CUDACC_VER__ >= 70000' on CUDA 9,... by Abseil Team <absl-team@google.com>
  - 12dd22cf967603e9a12d58abfe877989d61844e3 Internal change. by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: f59c2332341d6b1a3e045d61eb0065f7a226f807
Change-Id: If4f5274e6d638a2ac86f1377e6ac0481dc584f19

  - 8320b38cd9f4f271fb6b278bd1e10d93f6ac3856 Use overloads for int32/int64/uint32/uint64 rather than i... by Jorg Brown <jorg@google.com>
  - f8b582b8deb3f78a3c6de2114b3ec4640f5427dd Internal change by Juemin Yang <jueminyang@google.com>
  - 240ff55ebf493ab1233ebe6976853a5fa2b3ec46 Remove the internal LowLevelAlloc's dependence on kLinker... by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: 8320b38cd9f4f271fb6b278bd1e10d93f6ac3856
Change-Id: If5004efa2b43856948390ab357b8e9403e4461b4

  - a42e9b454ca8be7d021789cdb9bcada07d3e2d3e Merge pull request #57. by Derek Mauro <dmauro@google.com>
  - b1e03838f059c034a6489501804d516326246042 Move the long ostream tests into a separate source file u... by Alex Strelnikov <strel@google.com>
  - 7c56b7dbb05faa7e8653632e00be470331d79cb9 Return reference from absl::InlinedVector::emplace_back(). by Abseil Team <absl-team@google.com>
  - 85b070822b62688ff348d9ad9cc9e230a851f617 Treat \u or \U followed by Unicode surrogate character as... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: a42e9b454ca8be7d021789cdb9bcada07d3e2d3e
Change-Id: I7d8fb68ffd7eb4e9e737f21fbed6d56b71985f94

  - 46a4bd582619bfc4799c1a907316e914ed0c0105 Fixes to mutex_nonprod.  Apparently this has never built.... by Greg Falcon <gfalcon@google.com>
  - 4bcf6f013aeee53057527d70100de8535aec9b93 Add some comments to copts.bzl by Tom Manshreck <shreck@google.com>
  - 54cf717b1c5dfb814721f92a8eb9df5587f5f758 Internal change by Abseil Team <absl-team@google.com>
  - d1f1c7e6e61358300963b7bd50c203740a49297d Eliminate kFast{UInt,Int}{32,64}ToBufferSize constants by Jorg Brown <jorg@google.com>

GitOrigin-RevId: 46a4bd582619bfc4799c1a907316e914ed0c0105
Change-Id: I129b6b3d27d9ae2c6eb21d6e44a52d10399ef8aa

  - 53eebc8dc5730f42b1cda71bc55a5097d330b484 This changes the value base_internal::kOnceDone from 32-b... by Abseil Team <absl-team@google.com>
  - e34af839e2062e9ed6639803186811be23e6fb80 This changes the value base_internal::kOnceDone from 32-b... by Abseil Team <absl-team@google.com>
  - dfb395ba062168eeb15237724b628a1b2494052c Remove unnecessary dependency. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 53eebc8dc5730f42b1cda71bc55a5097d330b484
Change-Id: Ide088c81d660c4be900b2456d57a8dcbdb349cc7