gcc/testsuite/gfortran.dg/where_operator_assign_4.f90

   1 ! { dg-do compile }
   2 ! PR fortran/34661 ICE on user-defined assignments in where statements
   3 ! Testcase contributed by Joost VandeVondele
   4
   5 MODULE M1
   6  IMPLICIT NONE
   7  TYPE T1
   8    INTEGER :: I
   9  END TYPE T1
  10  INTERFACE ASSIGNMENT(=)
  11   MODULE PROCEDURE S1
  12  END INTERFACE
  13 CONTAINS
  14  SUBROUTINE S1(I,J)
  15    TYPE(T1), INTENT(OUT)  :: I(2)
  16    TYPE(T1), INTENT(IN)  :: J(2)
  17    I%I=-J%I
  18  END SUBROUTINE S1
  19 END MODULE M1
  20
  21 USE M1
  22 TYPE(T1) :: I(2),J(2)
  23 I(:)%I=1
  24 WHERE (I(:)%I>0)
  25  J=I                       ! { dg-error "Non-ELEMENTAL user-defined assignment in WHERE" }
  26 END WHERE
  27
  28 WHERE (I(:)%I>0) J=I       ! { dg-error "Non-ELEMENTAL user-defined assignment in WHERE" }
  29
  30 END