Re: [PATCH] PR libstdc++/91067 add more missing exports for directory iterators

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Re: [PATCH] PR libstdc++/91067 add more missing exports for directory iterators

Jonathan Wakely-3
On 29/08/19 13:16 +0100, Jonathan Wakely wrote:

> PR libstdc++/91067
> * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
> * configure: Regenerate.
> * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
> missing symbols.
> * testsuite/27_io/filesystem/iterators/91067.cc: Test move
> constructors.
> * testsuite/util/testsuite_abi.cc: Add new symbol version.
>
>As mentioned yesterday, we need to add some more exports for
>std::filesystem directory iterators. As discussed in PR 91067 Clang
>inlines the move constructor and optimises it to a tail call to the C2
>move constructor of __shared_ptr, which wasn't exported.
>
>Tested x86_64-linux, i686-linux, powerpc64-linux. Committing to trunk
>and (later today) gcc-9-branch.
This documents the change, committed to trunk and gcc-9-branch.


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