1 files changed, 1 insertions, 1 deletions
diff --git a/dfa.c b/dfa.c
index c959ad4f..18f8faf1 100644
--- a/dfa.c
+++ b/dfa.c
@@ -3478,7 +3478,7 @@ dfaexec (struct dfa *d, char const *begin, char *end,
 
       /* If the previous character was a newline, count it, and skip
          checking of multibyte character boundary until here.  */
-      if (p[-1] == eol)
+      if (p[-1] == eol && (char *) p != begin)
         {
           nlcount++;
           mbp = p;