Can anyone reproduce this?
This is on a fairly small Cygwin installation on WinXP, last updated 4 days
ago.
$ echo hello | grep -P '\n'
hello
? hello
? hello
4 [main] grep 3280 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
Segmentation fault (core dumped)
(The command I was really trying to run was
grep --color -P -U '\r[^\n]|[^\r]\n' *.txt
to find files that don't consistently use CR+LF line separators,
but I was able to reduce it to a simpler test case.)
Thanks,
Mike
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