Fix rtld-audit trampoline for aarch64 (#2144568)

Backport upstream fixes to tst-pldd (#2142937)

Switch to fast DSO dependency sorting algorithm (#1159809)

Explicitly switch to --with-default-link=no (#2109510)
Define MAP_SYNC on ppc64le (#2139875)

Fix -Wstrict-overflow warning when using CMSG_NXTHDR macro (#2116938)

Fix dlmopen/dlclose/dlmopen sequence and libc initialization (#2121746)

Fix memory corruption in printf with thousands separators and large

Retain .gnu_debuglink section for libc.so.6 (#2115830)
Remove redundant ld.so debuginfo file

Improve malloc implementation (#1871383)

Fix hwcaps search path size computation (#2125222)

Fix nscd netlink cache invalidation if epoll is used (#2122498)

Run tst-audit-tlsdesc, tst-audit-tlsdesc-dlopen everywhere (#2118667)

Preserve GLRO (dl_naudit) internal ABI (#2119304)
Avoid s390x ABI change due to z16 recognition on s390x (#2119304)

Fix locale en_US@ampm (#2104907)

Improve dynamic loader auditing interface (LD_AUDIT) (#2047981)
Add dlinfo() API support for RTLD_DI_PHDR (#2097898)