- 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