m4 ChangeLog THANKS doc/m4.texinfo src/builtin.c [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/08/18 03:39:11

Modified files:
        .              : ChangeLog THANKS 
        doc            : m4.texinfo 
        src            : builtin.c 

Log message:
        * src/builtin.c (substitute): Avoid core dump when accessing
        beyond bound of regular expression.
        Reported by Karl Nelson.
        * doc/m4.texinfo (Regexp): Add example that causes core dump on
        some architectures prior to this patch.
        * THANKS: Updated.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/m4/ChangeLog?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.157&r2=1.1.1.1.2.158
http://cvs.savannah.gnu.org/viewcvs/m4/THANKS?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.17&r2=1.1.1.1.2.18
http://cvs.savannah.gnu.org/viewcvs/m4/doc/m4.texinfo?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.67&r2=1.1.1.1.2.68
http://cvs.savannah.gnu.org/viewcvs/m4/src/builtin.c?cvsroot=m4&only_with_tag=branch-1_4&r1=1.1.1.1.2.33&r2=1.1.1.1.2.34