https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107816
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/compare_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/compare_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.