FreeBSD-stable-15-amd64-test - Build #1250 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #1250 (1a86e51f70e37a4578d891433e4b4e51acd1fb71) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1250/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1250/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1250/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

7407dd9f47f2740917de00a564e56154a830db2c by kfv:
libc: Add atomics C23 feature test macro

54916e23699241d418f8c86b9bd8268e2aa2dd28 by kfv:
libc: Restrict ATOMIC_VAR_INIT for C23 conformance

127109e75d06b14bce30849e9131318b592ea808 by kfv:
libc: Add missing kill_dependency macro

db50099480e78dff37457514af08716e45a48124 by kfv:
libc: Reorganise memory_order enumeration constants

650fea6abff7640a343e678b0fd343e4051bc333 by kfv:
libc: Reorder atomic operations to match ISO C standard

53ba20bad7895e3c504856ac9b94f91655de6480 by kfv:
libc: Enforce lock-free atomic_flag and C23-safe initialisation

af116659c071a284b036d4e8e232b107a7c3ecaa by kfv:
libc: Fix atomic_init for GCC atomic objects

123200496e244a822f0774932336ba0f6ce64a48 by kfv:
libc: Fix GCC pointer semantics for atomic_fetch_add/sub

92bb927c768d59ed1e384db692c7f3d08cea851c by kfv:
libc: Fix ATOMIC_VAR_INIT visibility

20ff5aa0253490240d1058e7c8502f7ab96a56ed by kfv:
sys/limits.h: Add BOOL_MAX, BITINT_MAXWIDTH, and C23 feature test macro

39dbfae2ca68cb617240a3724c13eccaf9c36bac by kfv:
sys/limits.h: Fix typo

a76700665f67ef90cca44caeec12bac7d4d062e5 by kfv:
libc/tests: Add assertions for BOOL_WIDTH, BOOL_MAX, and BITINT_MAXWIDTH

47f45c2cf2b90fad597dcfa8020bb14068423372 by kfv:
libc: Add <stdio.h> C23 feature test macro

068271f0331d626296bbbb3421485c80afe7157e by kfv:
libc: Restore prior C23 include guards

71649bb9f522de06266c88df7529c2c072c92395 by kfv:
libc: Add <time.h> C23 feature test macro

e6cab850f13158e42aa26556f07dab90212112c3 by kfv:
libc: Add <setjmp.h> C23 feature test macro

1026dd139386a434a94079f4f75ace7fcc348e9f by kfv:
libm: Implement femode_t, fegetmode(), and fesetmode() as per C23

908fae661a7fb75b3d67a7db9b95835aeebc1bf5 by kfv:
libc: Add <inttypes.h> C23 feature test macro

1a86e51f70e37a4578d891433e4b4e51acd1fb71 by kfv:
libc: Fix C23 version macro visibility



The failed test cases:

6 tests failed.
FAILED:  sys.netpfil.pf.igmp.py.TestIGMP::test_ip_opts

Error Message:
/usr/local/lib/python3.12/site-packages/scapy/packet.py:1985: AttributeError

FAILED:  sys.netpfil.pf.unmapped_mbuf.dummynet

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netpfil.pf.unmapped_mbuf.v4

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netpfil.pf.unmapped_mbuf.v6

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netpfil.pf.pfsync.bulk

Error Message:
state not found on synced host

FAILED:  lib.libexecinfo.sigtramp_test.test_backtrace_sigtramp

Error Message:
/usr/src/lib/libexecinfo/tests/sigtramp_test.c:30: n > 1 not met