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Diffstat (limited to 'gcc/testsuite/gfortran.dg/dependency_25.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/dependency_25.f90 | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/dependency_25.f90 b/gcc/testsuite/gfortran.dg/dependency_25.f90 new file mode 100644 index 000000000..25769857d --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dependency_25.f90 @@ -0,0 +1,95 @@ +! { 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" } } |