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* [Bug libstdc++/101271] New: [12 Regression] error: ‘static constexpr decltype ... used before its definition
@ 2021-06-30 14:27 marxin at gcc dot gnu.org
  2021-06-30 15:51 ` [Bug libstdc++/101271] " redi at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-06-30 14:27 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101271

            Bug ID: 101271
           Summary: [12 Regression] error: ‘static constexpr decltype ...
                    used before its definition
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: rejects-valid
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: redi at gcc dot gnu.org
  Target Milestone: ---

Created attachment 51090
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51090&action=edit
test-case

It's a recent regression. The test-case comes from blender package:

$ g++ blender.ii -c
In file included from /usr/include/openvdb/tree/LeafBuffer.h:10,
                 from /usr/include/openvdb/tree/LeafNode.h:11,
                 from /usr/include/openvdb/tree/Tree.h:18,
                 from /usr/include/openvdb/Grid.h:12,
                 from /usr/include/openvdb/openvdb.h:12,
                 from
/home/abuild/rpmbuild/BUILD/blender-2.92.0/extern/mantaflow/preprocessed/fileio/iovdb.cpp:31:
/usr/include/tbb/atomic.h:21:141: note: ‘#pragma message: TBB Warning:
tbb/atomic.h is deprecated. For details, please see Deprecated Features
appendix in the TBB reference manual.’
In file included from /usr/include/openvdb/tools/PointPartitioner.h:26,
                 from /usr/include/openvdb/tools/PointIndexGrid.h:19,
                 from /usr/include/openvdb/points/PointConversion.h:15,
                 from
/home/abuild/rpmbuild/BUILD/blender-2.92.0/extern/mantaflow/preprocessed/fileio/iovdb.cpp:32:
/usr/include/tbb/task_scheduler_init.h:21:154: note: ‘#pragma message: TBB
Warning: tbb/task_scheduler_init.h is deprecated. For details, please see
Deprecated Features appendix in the TBB reference manual.’
In file included from /usr/include/c++/12/memory:76,
                 from /usr/include/tbb/tbb_stddef.h:452,
                 from /usr/include/tbb/blocked_range3d.h:20,
                 from
/home/abuild/rpmbuild/BUILD/blender-2.92.0/extern/mantaflow/preprocessed/kernel.h:23,
                 from
/home/abuild/rpmbuild/BUILD/blender-2.92.0/extern/mantaflow/preprocessed/grid.h:26,
                 from
/home/abuild/rpmbuild/BUILD/blender-2.92.0/extern/mantaflow/preprocessed/fileio/iovdb.cpp:25:
/usr/include/c++/12/bits/unique_ptr.h: In instantiation of ‘typename
std::add_lvalue_reference<_Tp>::type std::unique_ptr<_Tp [],
_Dp>::operator[](std::size_t) const [with _Tp = unsigned int; _Dp =
std::default_delete<unsigned int []>; typename
std::add_lvalue_reference<_Tp>::type = unsigned int&; std::size_t = long
unsigned int]’:
/usr/include/openvdb/tools/PointIndexGrid.h:447:20:   required from here
/usr/include/c++/12/bits/unique_ptr.h:672:55: error: ‘static constexpr decltype
((sizeof (_Elt) != 0)) std::unique_ptr<_Tp [],
_Dp>::_S_nothrow_deref(std::size_t) [with _Ptr = unsigned int*; _Elt = unsigned
int; _Tp = unsigned int; _Dp = std::default_delete<unsigned int []>; decltype
((sizeof (_Elt) != 0)) = bool; std::size_t = long unsigned int]’ used before
its definition

^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-07-02 11:17 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-30 14:27 [Bug libstdc++/101271] New: [12 Regression] error: ‘static constexpr decltype ... used before its definition marxin at gcc dot gnu.org
2021-06-30 15:51 ` [Bug libstdc++/101271] " redi at gcc dot gnu.org
2021-07-01  7:16 ` rguenth at gcc dot gnu.org
2021-07-02  7:50 ` redi at gcc dot gnu.org
2021-07-02 11:15 ` cvs-commit at gcc dot gnu.org
2021-07-02 11:17 ` redi at gcc dot gnu.org

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