bison ./ChangeLog src/nullable.c

[Akim Demaille]

CVSROOT:        /cvsroot/bison
Module name:    bison
Branch:         bison-1_29-branch
Changes by:     Akim Demaille <address@hidden>  01/12/15 11:22:13

Modified files:
        .              : ChangeLog 
        src            : nullable.c 

Log message:
        * src/nullable.c (set_nullable): Useless rules must be skipped,
        otherwise, since we range over their symbols, we might look at a
        nonterminal which no longer ``exists'', i.e., it is not counted in
        `nvars', hence we overflow our arrays.

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/ChangeLog.diff?only_with_tag=bison-1_29-branch&tr1=1.173.2.230&tr2=1.173.2.231&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/src/nullable.c.diff?only_with_tag=bison-1_29-branch&tr1=1.10.2.9&tr2=1.10.2.10&r1=text&r2=text