Jun-ichiro itojun Hagino writes:
> 
> >[I was running 1.12] ... ah, I see.  This error now only
> >occurs for filter mode
> >  touch /tmp/emptyfile
> >  cat emptyfile | sort -f
> >Stace trace follows.

Just had another sort crash, apparently unrelated -- this
time while trying to build pkgsrc/textproc/ispell with make
british.

The build failed on command:

sort -u -t/ +0f -1 +0 -T /m/1f/pkgsrc/textproc/ispell/work \
  -o english.xlg english.0 english.1 english.2 english.3 \
  british.0 british.1 british.2

Stack backtrace is below.  I've just realised PR/12138 is
closed; shall I kick off a new one?

Mark <><

-- snip --

[BSDln:p6]+usr.bin/sort% gdb obj/sort sort.core                           [1548]
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This GDB was configured as "i386--netbsd"...
Core was generated by `sort'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/libexec/ld.elf_so...done.
Reading symbols from /usr/lib/libc.so.12...done.
#0  0x804ade2 in onepass (a=0x8064000, depth=8, n=1733, sizes=0xbfbfc7b0, 
    tr=0x8051e80 "\001\002\003\004\005\006\a\b\t\n", fp=0x80fbcbc)
    at /usr/src/usr.bin/sort/fsort.c:307
307                     histo[c = tr[**ak]]++;
(gdb) where
#0  0x804ade2 in onepass (a=0x8064000, depth=8, n=1733, sizes=0xbfbfc7b0, 
    tr=0x8051e80 "\001\002\003\004\005\006\a\b\t\n", fp=0x80fbcbc)
    at /usr/src/usr.bin/sort/fsort.c:307
#1  0x804a914 in fsort (binno=-1, depth=0, top=0, filelist=0xbfbfcc0c, 
    nfiles=7, outfp=0x480fd300, ftbl=0xbfbfcc10)
    at /usr/src/usr.bin/sort/fsort.c:199
#2  0x804ca4c in main (argc=16, argv=0xbfbfce08)
    at /usr/src/usr.bin/sort/sort.c:268
#3  0x8048d49 in ___start ()
(gdb)