[Bug target/84295] New: [7 Regression] glibc failed to build

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84295

            Bug ID: 84295
           Summary: [7 Regression] glibc failed to build
           Product: gcc
           Version: 7.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: krebbel at gcc dot gnu.org
  Target Milestone: ---
            Target: s390x

r257498 on gcc-7-branch caused:

/export/gnu/import/git/toolchain/build/compilers/s390x-linux-gnu/glibc/s390x-linux-gnu/libc_pic.os:
In function `__cmsg_nxthdr':
/export/ssd/git/toolchain/build/compilers/s390x-linux-gnu/glibc-src/s390x-linux-gnu/socket/../sysdeps/unix/sysv/linux/cmsg_nxthdr.c:39:
undefined reference to `__s390_indirect_jump_r1use_r14'
/export/ssd/git/toolchain/build/compilers/s390x-linux-gnu/glibc-src/s390x-linux-gnu/socket/../sysdeps/unix/sysv/linux/cmsg_nxthdr.c:39:
undefined reference to `__s390_indirect_jump_r1use_r14'
collect2: error: ld returned 1 exit status
make[4]: *** [../Makerules:765:
/export/gnu/import/git/toolchain/build/compilers/s390x-linux-gnu/glibc/s390x-linux-gnu/libc.so]
Error 1
make[4]: Leaving directory
'/export/ssd/git/toolchain/build/compilers/s390x-linux-gnu/glibc-src/s390x-linux-gnu/elf'
make[3]: *** [Makefile:215: elf/subdir_lib] Error 2
make[3]: Leaving directory
'/export/ssd/git/toolchain/build/compilers/s390x-linux-gnu/glibc-src/s390x-linux-gnu'
make[2]: *** [Makefile:9: all] Error 2
make[2]: Leaving directory
'/export/ssd/git/toolchain/build/compilers/s390x-linux-gnu/glibc/s390x-linux-gnu'