is_anchored      5579 ext/pcre/pcrelib/pcre_compile.c      if (!is_anchored(scode, options, bracket_map, backref_map)) return FALSE;
is_anchored      5588 ext/pcre/pcrelib/pcre_compile.c      if (!is_anchored(scode, options, new_map, backref_map)) return FALSE;
is_anchored      5595 ext/pcre/pcrelib/pcre_compile.c      if (!is_anchored(scode, options, bracket_map, backref_map)) return FALSE;
is_anchored      6142 ext/pcre/pcrelib/pcre_compile.c   if (is_anchored(codestart, &temp_options, 0, cd->backref_map))