96 lines
2.1 KiB
Fortran
96 lines
2.1 KiB
Fortran
! { dg-do run }
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! Test the fix for PR42736, in which an excessively rigorous dependency
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! checking for the assignment generated an unnecessary temporary, whose
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! rank was wrong. When accessed by the scalarizer, a segfault ensued.
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!
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! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
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! Reported by Armelius Cameron <armeliusc@gmail.com>
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!
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module UnitValue_Module
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implicit none
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private
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public :: &
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operator(*), &
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assignment(=)
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type, public :: UnitValue
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real :: &
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Value = 1.0
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character(31) :: &
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Label
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end type UnitValue
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interface operator(*)
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module procedure ProductReal_LV
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end interface operator(*)
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interface assignment(=)
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module procedure Assign_LV_Real
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end interface assignment(=)
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contains
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elemental function ProductReal_LV(Multiplier, Multiplicand) result(P_R_LV)
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real, intent(in) :: &
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Multiplier
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type(UnitValue), intent(in) :: &
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Multiplicand
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type(UnitValue) :: &
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P_R_LV
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P_R_LV%Value = Multiplier * Multiplicand%Value
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P_R_LV%Label = Multiplicand%Label
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end function ProductReal_LV
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elemental subroutine Assign_LV_Real(LeftHandSide, RightHandSide)
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real, intent(inout) :: &
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LeftHandSide
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type(UnitValue), intent(in) :: &
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RightHandSide
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LeftHandSide = RightHandSide%Value
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end subroutine Assign_LV_Real
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end module UnitValue_Module
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program TestProgram
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use UnitValue_Module
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implicit none
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type :: TableForm
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real, dimension(:,:), allocatable :: &
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RealData
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end type TableForm
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type(UnitValue) :: &
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CENTIMETER
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type(TableForm), pointer :: &
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Table
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allocate(Table)
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allocate(Table%RealData(10,5))
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CENTIMETER%value = 42
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Table%RealData = 1
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Table%RealData(:,1) = Table%RealData(:,1) * CENTIMETER
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Table%RealData(:,2) = Table%RealData(:,2) * CENTIMETER
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Table%RealData(:,3) = Table%RealData(:,3) * CENTIMETER
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Table%RealData(:,5) = Table%RealData(:,5) * CENTIMETER
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! print *, Table%RealData
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if (any (abs(Table%RealData(:,4) - 1) > epsilon(1.0))) call abort ()
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if (any (abs(Table%RealData(:,[1,2,3,5]) - 42) > epsilon(1.0))) call abort ()
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end program TestProgram
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! { dg-final { cleanup-modules "UnitValue_Module" } }
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