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3cef82d607
The check for declarations of polymorphic entities was emitting a bogus error for one (or more) layers of pointers to procedures returning pointers to polymorphic types. Fixes https://github.com/llvm/llvm-project/issues/83292.
46 lines
1.4 KiB
Fortran
46 lines
1.4 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! A CLASS() entity must be a dummy argument, allocatable,
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! or object pointer. Don't get confused with procedure pointers.
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module m
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type t
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end type
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!ERROR: CLASS entity 'v1' must be a dummy argument, allocatable, or object pointer
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class(t) v1
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class(t), allocatable :: v2 ! ok
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class(t), pointer :: v3 ! ok
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!ERROR: CLASS entity 'p1' must be a dummy argument, allocatable, or object pointer
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procedure(cf1) :: p1
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procedure(cf2) :: p2
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procedure(cf3) :: p3
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!ERROR: CLASS entity 'pp1' must be a dummy argument, allocatable, or object pointer
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procedure(cf1), pointer :: pp1
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procedure(cf2), pointer :: pp2
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procedure(cf3), pointer :: pp3
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procedure(cf5), pointer :: pp4 ! ok
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contains
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!ERROR: CLASS entity 'cf1' must be a dummy argument, allocatable, or object pointer
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class(t) function cf1()
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end
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class(t) function cf2()
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allocatable cf2 ! ok
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end
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class(t) function cf3()
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pointer cf3 ! ok
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end
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subroutine test(d1,d2,d3)
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class(t) d1 ! ok
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!ERROR: CLASS entity 'd2' must be a dummy argument, allocatable, or object pointer
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class(t), external :: d2
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!ERROR: CLASS entity 'd3' must be a dummy argument, allocatable, or object pointer
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class(t), external, pointer :: d3
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end
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function cf4()
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class(t), pointer :: cf4
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cf4 => v3
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end
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function cf5
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procedure(cf4), pointer :: cf5
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cf5 => cf4
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end
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end
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