-# serial 55
+# serial 56
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
# 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
if (!s)
return 1;
+ /* Ensure that [b-a] is diagnosed as invalid, when
+ using RE_NO_EMPTY_RANGES. */
+ re_set_syntax (RE_SYNTAX_POSIX_EGREP | RE_NO_EMPTY_RANGES);
+ memset (®ex, 0, sizeof regex);
+ s = re_compile_pattern ("a[b-a]", 6, ®ex);
+ if (s == 0)
+ return 1;
+
/* This should succeed, but does not for glibc-2.1.3. */
memset (®ex, 0, sizeof regex);
s = re_compile_pattern ("{1", 2, ®ex);