grep branch, master, updated. v2.20-61-ge9a7702

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=e9a7702427a897bc4ac0e5b78c91a954c0a6fe4a


commit e9a7702427a897bc4ac0e5b78c91a954c0a6fe4a
Author: Norihiro Tanaka <address@hidden>
Date:   Wed Oct 8 21:20:27 2014 -0700

    dfa: fix a theoretical bug
    
    * src/dfa.c (dfaexec_main): After searching for a match from
    the initial state, set the previous state, S1, to 0.
    So far, we have found no case in which this fix makes a difference.
    See http://debbugs.gnu.org/18645

diff --git a/src/dfa.c b/src/dfa.c
index 2e61982..58a4b83 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -3388,6 +3388,7 @@ dfaexec_main (struct dfa *d, char const *begin, char *end,
             {
               while (t[*p] == 0)
                 p++;
+              s1 = 0;
               s = t[*p++];
             }
 

-----------------------------------------------------------------------

Summary of changes:
 src/dfa.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


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