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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/107816] New:
 29_atomics/atomic/compare_exchange_padding.cc etc. FAIL
Date: Tue, 22 Nov 2022 13:55:49 +0000
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X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 13.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107816

            Bug ID: 107816
           Summary: 29_atomics/atomic/compare_exchange_padding.cc etc.
                    FAIL
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
  Target Milestone: ---
            Target: sparc*-sun-solaris2.11, riscv64-suse-linux-gnu,
                    powerpc-ibm-aix7.2.5.0

The 29_atomics/atomic/compare_exchange_padding.cc and
29_atomics/atomic_ref/compare_exchange_padding.cc tests FAIL on 64-bit
Solaris/SPARC since 20220909:

+FAIL: 29_atomics/atomic/compare_exchange_padding.cc execution test
+FAIL: 29_atomics/atomic_ref/compare_exchange_padding.cc execution test

/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/29_atomics/atomic/compa=
re_exchange_padding.cc:29:
int main(): Assertion '!compare_struct(s, ts)' failed.

/vol/gcc/src/hg/master/local/libstdc++-v3/testsuite/29_atomics/atomic_ref/c=
ompare_exchange_padding.cc:31:
int main(): Assertion '!compare_struct(ss, ts)' failed.

There are also reports for Linux/riscv64 and AIX on gcc-testresults.

I vaguely remember having seen this discussed on gcc-patches, but couldn't =
find
a corresponding PR.=