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