Re: regcomp gnulib<=>glibc sync bears fruit

[Jim Meyering]

Jim Meyering wrote:
> In comparing regcomp.c from gnulib with the one in glibc,
> I found numerous important differences:
>
>    - one bug that's been fixed in gnulib for 5 years, yet not in glibc.
>      I reported it here:
>        http://sourceware.org/bugzilla/show_bug.cgi?id=11127
>
>    - numerous bugs fixed in glibc but not in gnulib:
>       regcomp: sync from glibc; always use nl_langinfo
>       regcomp: sync from glibc: remove dead store
>       regcomp: fix typo in comment
>       regcomp: recognize ill-formed { } expressions
>       regcomp: skip collseq lookup when there are no rules
>       regcomp, regexec, fnmatch: avoid array bounds read error

I've pushed these changes.