glibc: stable 2.42 branch updates

glibc: stable 2.42 branch updates

git log --oneline e34453cd6a8c592c325756ff3c7ac0afd3975cb4..453e6b8dbab935257eb0802b0c97bca6b67ba30e

453e6b8dba (HEAD, origin/release/2.42/master) resolv: Fix NSS DNS backend for getnetbyaddr (CVE-2026-0915)
b0ec8fb689 memalign: reinstate alignment overflow check (CVE-2026-0861)
f122d0b4d1 nptl: Optimize trylock for high cache contention workloads (BZ #33704)
a1d3294a5b support: Exit on consistency check failure in resolv_response_add_name
8dfb84ad4e support: Fix FILE * leak in check_for_unshare_hints in test-container
2a0873aa81 sprof: fix -Wformat warnings on 32-bit hosts
efdf4c0c87 sprof: check pread size and offset for overflow
b11411fe2e posix: Fix invalid flags test for p{write,read}v2
8aaf4b732d ppc64le: Power 10 rawmemchr clobbers v20 (bug #33091)
2dbf973fe0 ppc64le: Restore optimized strncmp for power10
6b2957cfe8 ppc64le: Restore optimized strcmp for power10
828b8d23f3 AArch64: Fix and improve SVE pow(f) special cases
710d7a2e83 AArch64: fix SVE tanpi(f) [BZ #33642]
0c9430ed97 AArch64: Fix instability in AdvSIMD sinh
ec041b1f53 AArch64: Fix instability in AdvSIMD tan
97297120ce AArch64: Optimise SVE scalar callbacks
17c3eab387 aarch64: fix includes in SME tests
de1fe81f47 aarch64: fix cfi directives around __libc_arm_za_disable
bf499c2a49 x86: fix wmemset ifunc stray '!' (bug 33542)
71874f167a aarch64: tests for SME
256030b984 aarch64: clear ZA state of SME before clone and clone3 syscalls
6de12fc9ad aarch64: define macro for calling __libc_arm_za_disable
ab8c1b5d62 x86: Detect Intel Nova Lake Processor
bf48b17a28 x86: Detect Intel Wildcat Lake Processor
18fd689cdc nptl: Fix MADV_GUARD_INSTALL logic for thread without guard page (BZ 33356)
46b4e37c9e nss: Group merge does not react to ERANGE during merge (bug 33361)
1166170d95 libio: Define AT_RENAME_* with the same tokens as Linux

Testing Results:
+--------------+--------+--------+------+
| Result       | Before | After  | Diff |
+--------------+--------+--------+------+
| PASS         | 6890   | 6890   | 0    |
| XPASS        | 4      | 4      | 0    |
| FAIL         | 123    | 123    | 0    |
| XFAIL        | 16     | 16     | 0    |
| UNSUPPORTED  | 104    | 104    | 0    |
+--------------+--------+--------+------+

Signed-off-by: Hemanth Kumar M D <Hemanth.KumarMD@windriver.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>