PID: 30401 (pr11138b)
           UID: 250 (portage)
           GID: 250 (portage)
        Signal: 11 (SEGV)
     Timestamp: Sun 2018-12-30 20:02:58 CET (17min ago)
  Command Line: tmpdir/pr11138b
    Executable: /var/tmp/portage/sys-devel/binutils-2.31.1-r3/work/build/ld/tmpdir/pr11138b
 Control Group: /user.slice/user-1000.slice/session-c2.scope
          Unit: session-c2.scope
         Slice: user-1000.slice
       Session: c2
     Owner UID: 1000 (ef)
       Boot ID: 9a8e9b11faee43a28d3df49046e8f70c
    Machine ID: 3f89104fd8e846edb53c46af433b901e
      Hostname: T1000
       Storage: /var/lib/systemd/coredump/core.pr11138b.250.9a8e9b11faee43a28d3df49046e8f70c.30401.1546196578000000.lz4
       Message: Process 30401 (pr11138b) of user 250 dumped core.
                
                Stack trace of thread 30401:
                #0  0x00000000004a2190 __GI__IO_wsetb (libc.so.6)
                #1  0x00000000004b0ebc _IO_unbuffer_all (libc.so.6)
                #2  0x0000000000466dc0 __run_exit_handlers (libc.so.6)
                #3  0x0000000000466e54 __GI_exit (libc.so.6)
                #4  0x000000000044cd08 generic_start_main (libc.so.6)
                #5  0x000000000044ceb8 __libc_start_main (libc.so.6)

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Reading symbols from /var/tmp/portage/sys-devel/binutils-2.31.1-r3/work/build/ld/tmpdir/pr11138b...done.
[New LWP 30401]

warning: Could not load shared library symbols for tmpdir/libpr11138-1.so.
Do you need "set solib-search-path" or "set sysroot"?
Core was generated by `tmpdir/pr11138b'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x004a2190 in __GI__IO_wsetb (f=f@entry=0x5cbcb8 <_IO_stdout_>, b=b@entry=0x0, eb=eb@entry=0x0, a=a@entry=0) at wgenops.c:96
96	  if (f->_wide_data->_IO_buf_base && !(f->_flags2 & _IO_FLAGS2_USER_WBUF))