1!{ dg-do run } 2! PR26464 File I/O error related to buffering and BACKSPACE 3! Test case derived from case by Dale Ranta. 4! Submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org> 5 program test 6 integer,parameter :: datasize = 1000 7 dimension idata(datasize) 8 idata = -42 9 open (11, status="scratch", form="unformatted") 10 idata(1) = -1 11 idata( datasize) = -2 12 write(11)idata 13 idata(1) = -2 14 idata( datasize) = -3 15 write(11)idata 16 idata(1) = -3 17 idata( datasize) = -4 18 write(11)idata 19 idata(1) = -4 20 idata( datasize) = -5 21 write(11)idata 22 read(11,end= 1000 )idata 23 call abort() 24 1000 continue 25 backspace 11 26 backspace 11 27 backspace 11 28 read(11,end= 1001 )idata 29 if(idata(1).ne.-3 .or. idata(datasize).ne.-4) call abort() 30 stop 31 1001 continue 32 call abort() 33 1010 stop 34 end 35 36