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