forked from OSchip/llvm-project
45 lines
1.9 KiB
Fortran
45 lines
1.9 KiB
Fortran
! Error tests for recursive use of derived types.
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program main
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type :: recursive1
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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type(recursive1) :: bad1
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type(recursive1), pointer :: ok1
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type(recursive1), allocatable :: ok2
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
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class(recursive1) :: bad2
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class(recursive1), pointer :: ok3
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class(recursive1), allocatable :: ok4
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end type recursive1
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type :: recursive2(kind,len)
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integer, kind :: kind
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integer, len :: len
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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type(recursive2(kind,len)) :: bad1
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type(recursive2(kind,len)), pointer :: ok1
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type(recursive2(kind,len)), allocatable :: ok2
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
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class(recursive2(kind,len)) :: bad2
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class(recursive2(kind,len)), pointer :: ok3
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class(recursive2(kind,len)), allocatable :: ok4
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end type recursive2
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type :: recursive3(kind,len)
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integer, kind :: kind = 1
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integer, len :: len = 2
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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type(recursive3) :: bad1
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type(recursive3), pointer :: ok1
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type(recursive3), allocatable :: ok2
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!ERROR: Recursive use of the derived type requires POINTER or ALLOCATABLE
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!ERROR: CLASS entity 'bad2' must be a dummy argument or have ALLOCATABLE or POINTER attribute
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class(recursive3) :: bad2
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class(recursive3), pointer :: ok3
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class(recursive3), allocatable :: ok4
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end type recursive3
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!ERROR: Derived type 'recursive4' cannot extend itself
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type, extends(recursive4) :: recursive4
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end type recursive4
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end program main
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