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from 4b61d89c1 Revert r337727 as it caused Darwin bot failures new fbd3e84fa Implement <span>. Reviewed as https://reviews.llvm.org/D49338

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Summary of changes: include/CMakeLists.txt | 1 + include/module.modulemap | 4 + include/span | 606 +++++++++++++++++++++ test/libcxx/double_include.sh.cpp | 1 + .../views/span.comparison/op.eq.pass.cpp | 168 ++++++ .../views/span.comparison/op.ge.pass.cpp | 153 ++++++ .../views/span.comparison/op.gt.pass.cpp | 154 ++++++ .../views/span.comparison/op.le.pass.cpp | 153 ++++++ .../views/span.comparison/op.lt.pass.cpp | 154 ++++++ .../views/span.comparison/op.ne.pass.cpp | 168 ++++++ test/std/containers/views/span.cons/array.fail.cpp | 72 +++ test/std/containers/views/span.cons/array.pass.cpp | 123 +++++ .../std/containers/views/span.cons/assign.pass.cpp | 293 ++++++++++ .../containers/views/span.cons/container.fail.cpp | 117 ++++ .../containers/views/span.cons/container.pass.cpp | 118 ++++ test/std/containers/views/span.cons/copy.pass.cpp | 71 +++ .../std/containers/views/span.cons/deduct.pass.cpp | 83 +++ .../containers/views/span.cons/default.fail.cpp | 32 ++ .../containers/views/span.cons/default.pass.cpp | 82 +++ .../containers/views/span.cons/ptr_len.fail.cpp | 63 +++ .../containers/views/span.cons/ptr_len.pass.cpp | 113 ++++ .../containers/views/span.cons/ptr_ptr.fail.cpp | 63 +++ .../containers/views/span.cons/ptr_ptr.pass.cpp | 113 ++++ test/std/containers/views/span.cons/span.fail.cpp | 104 ++++ test/std/containers/views/span.cons/span.pass.cpp | 142 +++++ .../containers/views/span.cons/stdarray.pass.cpp | 111 ++++ test/std/containers/views/span.elem/data.pass.cpp | 121 ++++ .../std/containers/views/span.elem/op_idx.pass.cpp | 119 ++++ .../containers/views/span.iterators/begin.pass.cpp | 116 ++++ .../containers/views/span.iterators/end.pass.cpp | 118 ++++ .../views/span.iterators/rbegin.pass.cpp | 117 ++++ .../containers/views/span.iterators/rend.pass.cpp | 118 ++++ .../views/span.objectrep/as_bytes.pass.cpp | 78 +++ .../span.objectrep/as_writeable_bytes.fail.cpp | 48 ++ .../span.objectrep/as_writeable_bytes.pass.cpp | 78 +++ test/std/containers/views/span.obs/empty.pass.cpp | 73 +++ test/std/containers/views/span.obs/size.pass.cpp | 91 ++++ .../containers/views/span.obs/size_bytes.pass.cpp | 92 ++++ test/std/containers/views/span.sub/first.pass.cpp | 136 +++++ test/std/containers/views/span.sub/last.pass.cpp | 136 +++++ .../std/containers/views/span.sub/subspan.pass.cpp | 210 +++++++ test/std/containers/views/types.pass.cpp | 107 ++++ 42 files changed, 5020 insertions(+) create mode 100644 include/span create mode 100644 test/std/containers/views/span.comparison/op.eq.pass.cpp create mode 100644 test/std/containers/views/span.comparison/op.ge.pass.cpp create mode 100644 test/std/containers/views/span.comparison/op.gt.pass.cpp create mode 100644 test/std/containers/views/span.comparison/op.le.pass.cpp create mode 100644 test/std/containers/views/span.comparison/op.lt.pass.cpp create mode 100644 test/std/containers/views/span.comparison/op.ne.pass.cpp create mode 100644 test/std/containers/views/span.cons/array.fail.cpp create mode 100644 test/std/containers/views/span.cons/array.pass.cpp create mode 100644 test/std/containers/views/span.cons/assign.pass.cpp create mode 100644 test/std/containers/views/span.cons/container.fail.cpp create mode 100644 test/std/containers/views/span.cons/container.pass.cpp create mode 100644 test/std/containers/views/span.cons/copy.pass.cpp create mode 100644 test/std/containers/views/span.cons/deduct.pass.cpp create mode 100644 test/std/containers/views/span.cons/default.fail.cpp create mode 100644 test/std/containers/views/span.cons/default.pass.cpp create mode 100644 test/std/containers/views/span.cons/ptr_len.fail.cpp create mode 100644 test/std/containers/views/span.cons/ptr_len.pass.cpp create mode 100644 test/std/containers/views/span.cons/ptr_ptr.fail.cpp create mode 100644 test/std/containers/views/span.cons/ptr_ptr.pass.cpp create mode 100644 test/std/containers/views/span.cons/span.fail.cpp create mode 100644 test/std/containers/views/span.cons/span.pass.cpp create mode 100644 test/std/containers/views/span.cons/stdarray.pass.cpp create mode 100644 test/std/containers/views/span.elem/data.pass.cpp create mode 100644 test/std/containers/views/span.elem/op_idx.pass.cpp create mode 100644 test/std/containers/views/span.iterators/begin.pass.cpp create mode 100644 test/std/containers/views/span.iterators/end.pass.cpp create mode 100644 test/std/containers/views/span.iterators/rbegin.pass.cpp create mode 100644 test/std/containers/views/span.iterators/rend.pass.cpp create mode 100644 test/std/containers/views/span.objectrep/as_bytes.pass.cpp create mode 100644 test/std/containers/views/span.objectrep/as_writeable_bytes.fail.cpp create mode 100644 test/std/containers/views/span.objectrep/as_writeable_bytes.pass.cpp create mode 100644 test/std/containers/views/span.obs/empty.pass.cpp create mode 100644 test/std/containers/views/span.obs/size.pass.cpp create mode 100644 test/std/containers/views/span.obs/size_bytes.pass.cpp create mode 100644 test/std/containers/views/span.sub/first.pass.cpp create mode 100644 test/std/containers/views/span.sub/last.pass.cpp create mode 100644 test/std/containers/views/span.sub/subspan.pass.cpp create mode 100644 test/std/containers/views/types.pass.cpp