| ! { dg-do run } |
| ! Check that rewind doesn't delete a file. |
| ! Writing to the file truncates it at the end of the current record. Out |
| ! IO library was defering the actual truncation until the file was rewound. |
| ! A second rewind would then (incorrectly) think the file had just been |
| ! written to, and truncate the file to zero length. |
| program foo |
| character*11 s |
| open(unit=11, status="SCRATCH") |
| write(11, '(a11)') "Hello World" |
| rewind(11) |
| rewind(11) |
| s = "" |
| read(11, '(a11)') s |
| close(11) |
| if (s .ne. "Hello World") call abort |
| end program |
| |