35 lines
762 B
Fortran
35 lines
762 B
Fortran
! { dg-do compile }
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! { dg-options "-Wall" }
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! PR/fortran 38432
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! DO-loop compile-time checks
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!
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implicit none
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integer :: i
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real :: r
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do i = 1, 0 ! { dg-warning "executed zero times" }
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end do
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do i = 1, -1, 1 ! { dg-warning "executed zero times" }
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end do
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do i = 1, 2, -1 ! { dg-warning "executed zero times" }
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end do
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do i = 1, 2, 0 ! { dg-error "cannot be zero" }
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end do
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do r = 1, 0 ! { dg-warning "must be integer|executed zero times" }
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end do
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do r = 1, -1, 1 ! { dg-warning "must be integer|executed zero times" }
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end do
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do r = 1, 2, -1 ! { dg-warning "must be integer|executed zero times" }
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end do
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do r = 1, 2, 0
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end do
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! { dg-warning "must be integer" "loop var" { target *-*-* } 30 }
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! { dg-error "cannot be zero" "loop step" { target *-*-* } 30 }
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end
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