301b7b2 Auto-sync with upstream branch master

Authored and Committed by Patsy Franklin 4 years ago
    Auto-sync with upstream branch master
    
    Upstream commit 78c9d0c6efabe2067ef7f93cd36325f54c60adc2
    
    - Update translations
    - Convert Python scripts to Python 3
    - alpha: Do not build with -fpic
    - y2038: linux: Provide __utime64 implementation
    - y2038: linux: Provide __utimes64 implementation
    - y2038: Introduce struct __utimbuf64 - new internal glibc type
    - microblaze: vfork is always available
    - m68k: getpagesize syscall number is always available
    - Linux: epoll_pwait syscall number is always available
    - x86_64: Do not define __NR_semtimedop in <sysdep.h>
    - ia64: Do not define __NR_semtimedop in <sysdep.h>
    - Linux: open_by_handle_at syscall number is always available
    - Linux: set_robust_list syscall number is always available
    - Linux: pciconfig_iobase syscall number is always available on alpha
    - Linux: getdents64 syscall number is always available on MIPS
    - Linux: Clean up preadv2, pwritev2 system call names
    - Linux: exit_group syscall number is always available
    - Linux: set_tid_address syscall number is always available
    - Linux: pkey_mprotect syscall number is always available
    - Linux: rt_sigqueueinfo syscall number is always available
    - Linux: getrandom syscall number is always available
    - Linux: Clean up preadv, pwritev system call names
    - Linux: Clean up pread64/pwrite64 system call names
    - Linux: sigaltstack syscall number is always available
    - Linux: sched_getaffinity syscall number is always available
    - Linux: sched_setaffinity syscall number is always available
    - Linux: statx syscall number is always available
    - Linux: mq_* syscall numbers are always available
    - Linux: mlock2 syscall number is always available
    - Linux: copy_file_range syscall number is always available
    - Linux: renameat2 syscall number is always available
    - build-many-glibcs.py: Add list-compilers, list-glibcs commands
    - build-many-glibcs.py: Add --shallow option
    - Fixed typo in run_command_array() in support/shell-container.c
    - Add missing libc_hidden_def for __utimensat64
    - elf: Add elf/check-wx-segment, a test for the presence of WX segments
    - i386: Use comdat instead of .gnu.linkonce for i386 setup pic register (BZ #20543)
    - ldbl-128ibm-compat: link tst-ldbl-efgcvt against loader too
    - ldbl-128ibm-compat: enforce ibm128 on compat tests
    - ldbl-128ibm-compat: Provide nexttoward functions
    - ldbl-128ibm-compat: Provide a significand implementation
    - ldbl-128ibm-compat: Redirect complex math functions
    - ldbl-128ibm-compat: Redirect long double functions to f128/ieee128 functions
    - posix: Remove posix waitid
    - posix: Refactor tst-waitid (BZ #14666)
    - support: Add support_process_state_wait
    - malloc/tst-mallocfork2: Kill lingering process for unexpected failures
    
        
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