84 lines
2.9 KiB
Fortran
84 lines
2.9 KiB
Fortran
! { dg-do compile }
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!
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! PR fortran/34796
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!
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! Argument checks:
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! - elements of deferred-shape arrays (= non-dummies) are allowed
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! as the memory is contiguous
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! - while assumed-shape arrays (= dummy arguments) and pointers are
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! not (strides can make them non-contiguous)
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! and
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! - if the memory is non-contigous, character arguments have as
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! storage size only the size of the element itself, check for
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! too short actual arguments.
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!
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subroutine test1(assumed_sh_dummy, pointer_dummy)
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implicit none
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interface
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subroutine rlv1(y)
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real :: y(3)
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end subroutine rlv1
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end interface
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real :: assumed_sh_dummy(:,:,:)
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real, pointer :: pointer_dummy(:,:,:)
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real, allocatable :: deferred(:,:,:)
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real, pointer :: ptr(:,:,:)
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call rlv1(deferred(1,1,1)) ! valid since contiguous
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call rlv1(ptr(1,1,1)) ! { dg-error "Element of assumed-shaped array" }
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call rlv1(assumed_sh_dummy(1,1,1)) ! { dg-error "Element of assumed-shaped array" }
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call rlv1(pointer_dummy(1,1,1)) ! { dg-error "Element of assumed-shaped array" }
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end
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subroutine test2(assumed_sh_dummy, pointer_dummy)
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implicit none
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interface
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subroutine rlv2(y)
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character :: y(3)
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end subroutine rlv2
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end interface
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character(3) :: assumed_sh_dummy(:,:,:)
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character(3), pointer :: pointer_dummy(:,:,:)
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character(3), allocatable :: deferred(:,:,:)
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character(3), pointer :: ptr(:,:,:)
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call rlv2(deferred(1,1,1)) ! Valid since contiguous
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call rlv2(ptr(1,1,1)) ! Valid F2003
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call rlv2(assumed_sh_dummy(1,1,1)) ! Valid F2003
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call rlv2(pointer_dummy(1,1,1)) ! Valid F2003
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! The following is kind of ok: The memory access it valid
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! We warn nonetheless as the result is not what is intented
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! and also formally wrong.
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! Using (1:string_length) would be ok.
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call rlv2(ptr(1,1,1)(1:1)) ! { dg-warning "contains too few elements" }
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call rlv2(assumed_sh_dummy(1,1,1)(1:2)) ! { dg-warning "contains too few elements" }
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call rlv2(pointer_dummy(1,1,1)(1:3)) ! Valid F2003
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end
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subroutine test3(assumed_sh_dummy, pointer_dummy)
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implicit none
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interface
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subroutine rlv3(y)
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character :: y(3)
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end subroutine rlv3
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end interface
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character(2) :: assumed_sh_dummy(:,:,:)
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character(2), pointer :: pointer_dummy(:,:,:)
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character(2), allocatable :: deferred(:,:,:)
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character(2), pointer :: ptr(:,:,:)
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call rlv3(deferred(1,1,1)) ! Valid since contiguous
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call rlv3(ptr(1,1,1)) ! { dg-warning "contains too few elements" }
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call rlv3(assumed_sh_dummy(1,1,1)) ! { dg-warning "contains too few elements" }
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call rlv3(pointer_dummy(1,1,1)) ! { dg-warning "contains too few elements" }
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call rlv3(deferred(1,1,1)(1:2)) ! Valid since contiguous
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call rlv3(ptr(1,1,1)(1:2)) ! { dg-warning "contains too few elements" }
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call rlv3(assumed_sh_dummy(1,1,1)(1:2)) ! { dg-warning "contains too few elements" }
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call rlv3(pointer_dummy(1,1,1)(1:2)) ! { dg-warning "contains too few elements" }
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end
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