Sync with upstream branch release/2.34/master
    
    Upstream commit: 71326f1f2fd09dafb9c34404765fb88129e94237
    
    - nptl: Fix pthread_cancel cancelhandling atomic operations
    - mips: Fix mips64n32 64 bit time_t stat support (BZ#29069)
    - hurd: Fix arbitrary error code
    - nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029)
    - S390: Add new s390 platform z16.
    - NEWS: Update fixed bug list for LD_AUDIT backports.
    - hppa: Fix bind-now audit (BZ #28857)
    - elf: Replace tst-audit24bmod2.so with tst-audit24bmod2
    - Fix elf/tst-audit25a with default bind now toolchains
    - elf: Fix runtime linker auditing on aarch64 (BZ #26643)
    - elf: Issue la_symbind for bind-now (BZ #23734)
    - elf: Fix initial-exec TLS access on audit modules (BZ #28096)
    - elf: Add la_activity during application exit
    - elf: Do not fail for failed dlmopen on audit modules (BZ #28061)
    - elf: Issue audit la_objopen for vDSO
    - elf: Add audit tests for modules with TLSDESC
    - elf: Avoid unnecessary slowdown from profiling with audit (BZ#15533)
    - elf: Add _dl_audit_pltexit
    - elf: Add _dl_audit_pltenter
    - elf: Add _dl_audit_preinit
    - elf: Add _dl_audit_symbind_alt and _dl_audit_symbind
    - elf: Add _dl_audit_objclose
    - elf: Add _dl_audit_objsearch
    - elf: Add _dl_audit_activity_map and _dl_audit_activity_nsid
    - elf: Add _dl_audit_objopen
    - elf: Move la_activity (LA_ACT_ADD) after _dl_add_to_namespace_list() (BZ #28062)
    - elf: Move LAV_CURRENT to link_lavcurrent.h
    - elf: Fix elf_get_dynamic_info() for bootstrap
    - elf: Fix dynamic-link.h usage on rtld.c
    - elf: Fix elf_get_dynamic_info definition
    - elf: Avoid nested functions in the loader [BZ #27220]
    - powerpc: Delete unneeded ELF_MACHINE_BEFORE_RTLD_RELOC
    - hppa: Use END instead of PSEUDO_END in swapcontext.S
    - hppa: Implement swapcontext in assembler (bug 28960)
    
    Reviewed-by: Florian Weimer <fweimer at redhat.com>