gcc/testsuite/gfortran.dg/subref_array_pointer_4.f90

   1 ! { dg-do run }
   2 ! Tests the fix for PR42309, in which the indexing of 'Q'
   3 ! was off by one.
   4 !
   5 ! Contributed by Gilbert Scott <gilbert.scott@easynet.co.uk>
   6 !
   7 PROGRAM X
   8   TYPE T
   9     INTEGER :: I
  10     REAL :: X
  11   END TYPE T
  12   TYPE(T), TARGET :: T1(0:3)
  13   INTEGER, POINTER :: P(:)
  14   REAL :: SOURCE(4) = [10., 20., 30., 40.]
  15
  16   T1%I = [1, 2, 3, 4]
  17   T1%X = SOURCE
  18   P => T1%I
  19   CALL Z(P)
  20   IF (ANY (T1%I .NE. [999, 2, 999, 4])) STOP 1
  21   IF (ANY (T1%X .NE. SOURCE)) STOP 2
  22 CONTAINS
  23   SUBROUTINE Z(Q)
  24     INTEGER, POINTER :: Q(:)
  25     Q(1:3:2) = 999
  26   END SUBROUTINE Z
  27 END PROGRAM X
  28