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-rw-r--r--posix/regcomp.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 68ce551c3a..b5f0c92a3a 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -965,17 +965,14 @@ static void
 optimize_utf8 (dfa)
      re_dfa_t *dfa;
 {
-  int node, i;
+  int node, i, mb_chars = 0;
 
   for (node = 0; node < dfa->nodes_len; ++node)
     switch (dfa->nodes[node].type)
       {
       case CHARACTER:
-        /* Chars >= 0x80 are optimizable in some cases (e.g. when not
-	   followed by DUP operator, not in bracket etc.).
-	   For now punt on them all.  */
 	if (dfa->nodes[node].opr.c >= 0x80)
-	  return;
+	  mb_chars = 1;
 	break;
       case ANCHOR:
 	switch (dfa->nodes[node].opr.idx)
@@ -1010,6 +1007,12 @@ optimize_utf8 (dfa)
 	return;
       }
 
+  if (mb_chars)
+    for (node = 0; node < dfa->nodes_len; ++node)
+      if (dfa->nodes[node].type == CHARACTER
+	  && dfa->nodes[node].opr.c >= 0x80)
+	dfa->nodes[node].mb_partial = 0;
+
   /* The search can be in single byte locale.  */
   dfa->mb_cur_max = 1;
   dfa->is_utf8 = 0;