Re: git: 56aaed388b0a - main - Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6

From: Antoine Brodin <antoine_at_freebsd.org>
Date: Sat, 19 Mar 2022 20:16:24 UTC 
On Sat, Mar 19, 2022 at 7:52 PM Dimitry Andric <dim@freebsd.org> wrote:
>
> On 18 Mar 2022, at 15:10, Antoine Brodin <antoine@freebsd.org> wrote:
> >
> > On Wed, Mar 9, 2022 at 7:46 PM Dimitry Andric <dim@freebsd.org> wrote:
> >>
> >> The branch main has been updated by dim:
> >>
> >> URL: https://cgit.FreeBSD.org/src/commit/?id=56aaed388b0a177b9defb4e6ecb8a716abb3cf33
> >>
> >> commit 56aaed388b0a177b9defb4e6ecb8a716abb3cf33
> >> Merge: 2ea6414ed8bb 672085f2aef2
> >> Author: Dimitry Andric <dim@FreeBSD.org>
> >> AuthorDate: 2022-03-09 19:45:01 +0000
> >> Commit: Dimitry Andric <dim@FreeBSD.org>
> >> CommitDate: 2022-03-09 19:45:01 +0000
> >>
> >> Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6
> >>
> >> Interesting fixes:
> >> 47661d0 Match libc++abi/libsupc++ when demangling array types
> >> e44a05c Fix unitialized variable in __cxa_demangle_gnu3 after #6 (#8)
> >> 5088b05 Remove some code duplication.
> >> fd484be Atomics cleanup (#11)
> ...
> > After this merge, some i386 c++ processes are hanging.
> > For instance:
> > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/tbb-2020.3_4.log
> > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/poppler-qt5-21.12.0.log
> > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/kf5-kdoctools-5.91.0.log
> > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/kf5-kguiaddons-5.91.0.log
>
> I could reproduce a CMake hang with poppler-qt5, and it turns out that
> libcxxrt's https://github.com/libcxxrt/libcxxrt/commit/fd484be can make
> __cxa_guard_acquire hang on i386.
>
> I reverted the upstream commit in:
> https://cgit.freebsd.org/src/commit/?id=2548237983c47c61601b883bb9d6c9a803ef8ce4
>
> Can you please retry after this?

Hi,

It seems that main fails to compile at the moment:
/poudriere/jails/main-i386/usr/src/contrib/llvm-project/llvm/lib/IR/Operator.cpp:197:22:
error: no member named 'isZero' in 'llvm::APInt'
    if (!IndexedSize.isZero()) {
         ~~~~~~~~~~~ ^

Antoine