(re_compile_fastmap): For anychar, set all fastmap

elements for all possible unibyte chars (except newline).

1 files changed, 5 insertions, 13 deletions

diff --git a/src/regex.c b/src/regex.c
index 0dcdedec517..a700c887da8 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -3381,21 +3381,13 @@ re_compile_fastmap (bufp)
           {
             int fastmap_newline = fastmap['\n'];
 
-            /* `.' matches anything (but if bufp->multibyte is
-               nonzero, matches `\000' .. `\127' and possible multibyte
-               character) ...  */
+            /* `.' matches anything, except perhaps newline.
+               Even in a multibyte buffer, it should match any
+               conceivable byte value for the fastmap.  */
             if (bufp->multibyte)
-              {
-                simple_char_max = 0x80;
-
-                for (j = 0x80; j < 0xA0; j++)
-                  if (BASE_LEADING_CODE_P (j))
-                    fastmap[j] = 1;
-                match_any_multibyte_characters = true;
-              }
-            else
-              simple_char_max = (1 << BYTEWIDTH);
+              match_any_multibyte_characters = true;
 
+            simple_char_max = (1 << BYTEWIDTH);
             for (j = 0; j < simple_char_max; j++)
               fastmap[j] = 1;