[all-commits] [llvm/llvm-project] d5a6ec: [libc++][stringbuf] Test and document LWG2995. (#1...

[Mark de Wever via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d5a6ec1d4dd9a7593c68abfa49b75059ba98c91b
      https://github.com/llvm/llvm-project/commit/d5a6ec1d4dd9a7593c68abfa49b75059ba98c91b
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2024-08-01 (Thu, 01 Aug 2024)

  Changed paths:
    M libcxx/docs/ImplementationDefinedBehavior.rst
    M libcxx/docs/Status/Cxx20Issues.csv
    M libcxx/include/sstream
    A libcxx/test/libcxx/input.output/string.streams/stringbuf/const_sso_buffer.pass.cpp
    M libcxx/test/std/input.output/string.streams/stringbuf/stringbuf.cons/default.pass.cpp

  Log Message:
  -----------
  [libc++][stringbuf] Test and document LWG2995. (#100879)

As mentioned in the LWG issue libc++ has already implemented the
optimization. This adds tests and documents the implementation defined
behaviour.

Drive-by fixes an initialization.



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