[PATCH] D28222: [libcxx] Re-implement LWG 2770 again: Fix tuple_size to work with structured bindings

[Eric Fiselier via Phabricator via cfe-commits]

EricWF updated this revision to Diff 82851.
EricWF added a comment.

- Remove redundant SFINAE.


https://reviews.llvm.org/D28222

Files:
  include/__tuple
  test/libcxx/test/config.py
  test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple_size.pass.cpp
  test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple_size_incomplete.fail.cpp
  test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple_size_incomplete.pass.cpp
  test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple_size_structured_bindings.pass.cpp
  test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple_size_value_sfinae.pass.cpp

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