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From: "matz at suse dot de" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/27681] FAIL: gdb.base/help.exp: apropos \(print[^[
 bsiedf\".-]\) (timeout)
Date: Tue, 06 Apr 2021 14:03:38 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27681

Michael Matz <matz at suse dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |matz at suse dot de

--- Comment #15 from Michael Matz <matz at suse dot de> ---
To use re_search (or the other GNU extensions of regex.h) you need to use
re_compile_pattern, not regcomp.  This is the non-conforming mixture Andreas
meant.

(Sidenote: I think there's no conforming possiblity to use the GNU extension
correctly without leaks, because there's no GNU extension equivalent of
regfree,
ala re_free or somesuch).

The games with -lc are brittle at best and don't really solve the underlying
non-conformance.  I don't know a good solution except avoiding the GNU
extensions
alltogether :-/  (Certainly forcing everyone to implicitely use libpcre2-po=
six
by linking against ncurses is a bad idea, but it would be unnoticable with
conforming use)

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