--- /dev/null
+! { dg-do run }
+! pr40662 segfaults when specific format is invoked twice.
+! pr40330 incorrect io.
+! test case derived from pr40662, <jvdelisle@gcc.gnu.org>
+ program astap
+ character(40) teststring
+ arlxca = 0.0
+ open(10)
+ write(10,40) arlxca
+ write(10,40) arlxca
+40 format(t4,"arlxca = ",1pg13.6,t27,"arlxcc = ",g13.6,t53,
+ . "atmpca = ",g13.6,t79,"atmpcc = ",g13.6,t105,
+ . "backup = ",g13.6,/,
+ . t4,"csgfac = ",g13.6,t27,"csgmax = ",g13.6,t53,
+ . "csgmin = ",g13.6,t79,"drlxca = ",g13.6,t105,
+ . "drlxcc = ",g13.6,/,
+ . t4,"dtimeh = ",g13.6,t27,"dtimei = ",g13.6,t53,
+ . "dtimel = ",g13.6,t79,"dtimeu = ",g13.6,t105,
+ . "dtmpca = ",g13.6,/,
+ . t4,"dtmpcc = ",g13.6,t27,"ebalna = ",g13.6,t53,
+ . "ebalnc = ",g13.6,t79,"ebalsa = ",g13.6,t105,
+ . "ebalsc = ",g13.6)
+ rewind 10
+ rewind 10
+ teststring = ""
+ read(10,'(a)') teststring
+ if (teststring.ne." arlxca = 0.00000 arlxcc = ")call abort
+ teststring = ""
+ read(10,'(a)') teststring
+ if (teststring.ne." arlxca = 0.00000 arlxcc = ")call abort
+ end program astap
+
+