glibc: stable 2.39 branch updates

glibc: stable 2.39 branch updates

Solves CVE-2025-0395

git log:
662516aca8 stdlib: Test using setenv with updated environ [BZ #32588]
1432850ad8 malloc: obscure calloc use in tst-calloc
c1f7bfbe08 Hide all malloc functions from compiler [BZ #32366]
808a84a8b8 Fix underallocation of abort_msg_s struct (CVE-2025-0395)
994b129a35 x86/string: Fixup alignment of main loop in str{n}cmp-evex [BZ #32212]
61daaa7639 x86: Improve large memset perf with non-temporal stores [RHEL-29312]
2c8a7f14fa x86: Avoid integer truncation with large cache sizes (bug 32470)
2c882bf9c1 math: Exclude internal math symbols for tests [BZ #32414]
51da74a97e malloc: add indirection for malloc(-like) functions in tests [BZ #32366]
aa8768999e Pass -nostdlib -nostartfiles together with -r [BZ #31753]
350db28393 nptl: initialize cpu_id_start prior to rseq registration
9a0e174a39 nptl: initialize rseq area prior to registration

test results:
            Before After  Diff
FAIL           208   210    +2
PASS          4906  4905    -1
UNSUPPORTED    230   230     0
XFAIL           16    16     0
XPASS            4     4     0

failed test changes:
- nptl/tst-mutexpi8-static
- stdlib/tst-qsort4
+ malloc/tst-dynarray-fail-mem
+ malloc/tst-malloc_info
+ malloc/tst-malloc_info-malloc-check
+ malloc/tst-malloc_info-malloc-hugetlb2

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>