grep branch, master, updated. v2.18-42-gd80c9a5

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=d80c9a5da2c5e04844ac39f8cdd45e6425b2dde6


commit d80c9a5da2c5e04844ac39f8cdd45e6425b2dde6
Author: Norihiro Tanaka <address@hidden>
Date:   Tue Apr 1 11:18:44 2014 +0200

    dfa: avoid re-building a state built previously
    
    * src/dfa.c (dfaexec): Avoid to re-build a state built previously.

diff --git a/src/dfa.c b/src/dfa.c
index b22fe97..b6fbd58 100644
--- a/src/dfa.c
+++ b/src/dfa.c
@@ -3537,7 +3537,8 @@ dfaexec (struct dfa *d, char const *begin, char *end,
 
       if (s >= 0)
         {
-          build_state (s, d);
+          if (!d->trans[s])
+            build_state (s, d);
           trans = d->trans;
           continue;
         }

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

Summary of changes:
 src/dfa.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


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