gcc/testsuite/gfortran.dg/interface_assignment_1.f90

   1 ! { dg-do run }
   2 ! Checks the fix for PR31205, in which temporaries were not
   3 ! written for the interface assignment and the parentheses below.
   4 !
   5 ! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
   6 !
   7 MODULE TT
   8  TYPE data_type
   9    INTEGER :: I=2
  10  END TYPE data_type
  11  INTERFACE ASSIGNMENT (=)
  12    MODULE PROCEDURE set
  13  END INTERFACE
  14 CONTAINS
  15   PURE SUBROUTINE set(x1,x2)
  16     TYPE(data_type), INTENT(IN) :: x2
  17     TYPE(data_type), INTENT(OUT) :: x1
  18     CALL S1(x1,x2)
  19   END SUBROUTINE
  20   PURE SUBROUTINE S1(x1,x2)
  21     TYPE(data_type), INTENT(IN) :: x2
  22     TYPE(data_type), INTENT(OUT) :: x1
  23     x1%i=x2%i
  24   END SUBROUTINE
  25 END MODULE
  26
  27 USE TT
  28 TYPE(data_type) :: D,E
  29
  30 D%I=4
  31 D=D
  32
  33 E%I=4
  34 CALL set(E,(E))
  35
  36 IF (D%I.NE.4) STOP 1
  37 IF (4.NE.E%I) STOP 2
  38 END