forked from OSchip/llvm-project
43 lines
1.1 KiB
Fortran
43 lines
1.1 KiB
Fortran
! RUN: %S/test_errors.sh %s %t %flang_fc1
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! C1121 -- any procedure referenced in a concurrent header must be pure
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! Also, check that the step expressions are not zero. This is prohibited by
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! Section 11.1.7.4.1, paragraph 1.
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SUBROUTINE do_concurrent_c1121(i,n)
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IMPLICIT NONE
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INTEGER :: i, n, flag
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!ERROR: DO CONCURRENT mask expression may not reference impure procedure 'random'
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DO CONCURRENT (i = 1:n, random() < 3)
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flag = 3
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END DO
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CONTAINS
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IMPURE FUNCTION random() RESULT(i)
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INTEGER :: i
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i = 35
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END FUNCTION random
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END SUBROUTINE do_concurrent_c1121
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SUBROUTINE s1()
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INTEGER, PARAMETER :: constInt = 0
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! Warn on this one for backwards compatibility
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DO 10 I = 1, 10, 0
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10 CONTINUE
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! Warn on this one for backwards compatibility
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DO 20 I = 1, 10, 5 - 5
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20 CONTINUE
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! Error, no compatibility requirement for DO CONCURRENT
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!ERROR: DO CONCURRENT step expression may not be zero
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DO CONCURRENT (I = 1 : 10 : 0)
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END DO
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! Error, this time with an integer constant
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!ERROR: DO CONCURRENT step expression may not be zero
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DO CONCURRENT (I = 1 : 10 : constInt)
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END DO
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end subroutine s1
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