[PATCH] D153674: [dataflow] Disallow implicit copy of Environment, use fork() instead

[Sam McCall via cfe-commits]

Hi, sorry about that - are you able to provide a full log, or link to a
failing bot?
That error message doesn't show where in the LLVM code the error occurs.

On Wed, Jun 28, 2023 at 7:52 AM Zixuan Wu via Phabricator <
reviews at reviews.llvm.org> wrote:

> zixuan-wu added a comment.
>
> Hi, there is a compiling error introduced recently as like following when
> files under clang/lib/Analysis/FlowSensitive/ are being compiled such as
> TypeErasedDataflowAnalysis.cpp and Transfer.cpp. Does anybody meet also?
>
> >   from /usr/include/c++/7/functional:60,
> >   from
> /iothome/wuzx/workspace/master-csky/clang/unittests/Analysis/FlowSensitive/TestingSupport.h:16,
> >   from
> /iothome/wuzx/workspace/master-csky/clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp:9:
> >
> > /usr/include/c++/7/optional:453:11: note:
> ‘std::optional<clang::dataflow::DataflowAnalysisState<clang::dataflow::NoopLattice>
> >::optional(const
> std::optional<clang::dataflow::DataflowAnalysisState<clang::dataflow::NoopLattice>
> >&)’ is implicitly deleted because the default definition would be
> ill-formed:
> >
> >   class optional
> >         ^~~~~~~~
> >
> > /usr/include/c++/7/optional:453:11: error: use of deleted function
> ‘constexpr std::_Enable_copy_move<false, false, true, true,
> _Tag>::_Enable_copy_move(const std::_Enable_copy_move<false, false, true,
> true, _Tag>&) [with _Tag =
> std::optional<clang::dataflow::DataflowAnalysisState<clang::dataflow::NoopLattice>
> >]’
> > In file included from /usr/include/c++/7/optional:43:0,
> >
> >   from /usr/include/c++/7/bits/node_handle.h:39,
> >   from /usr/include/c++/7/bits/hashtable.h:37,
> >   from /usr/include/c++/7/unordered_map:47,
> >   from /usr/include/c++/7/functional:60,
> >   from
> /iothome/wuzx/workspace/master-csky/clang/unittests/Analysis/FlowSensitive/TestingSupport.h:16,
> >   from
> /iothome/wuzx/workspace/master-csky/clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp:9:
> >
> > /usr/include/c++/7/bits/enable_special_members.h:157:15: note: declared
> here
> >
> >   constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept  =
> delete;
> >             ^~~~~~~~~~~~~~~~~
> >
> > In file included from /usr/include/c++/7
>
> The gcc version is gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0.
>
>
> Repository:
>   rG LLVM Github Monorepo
>
> CHANGES SINCE LAST ACTION
>   https://reviews.llvm.org/D153674/new/
>
> https://reviews.llvm.org/D153674
>
>
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