gcc/testsuite/gfortran.dg/module_equivalence_5.f90

   1 ! { dg-do run }
   2 !
   3 ! Fixes PR37787 where the EQUIVALENCE between QLA1 and QLA2 wasn't recognized
   4 ! in the dependency checking because the compiler was looking in the wrong name
   5 ! space.
   6 !
   7 ! Contributed by Dick Hendrickson <dick.hendrickson@gmail.com>
   8 !
   9 module stuff
  10   integer, parameter :: r4_kv = 4
  11 contains
  12
  13   SUBROUTINE CF0004
  14 !  COPYRIGHT 1999   SPACKMAN & HENDRICKSON, INC.
  15     REAL(R4_KV), dimension (10) :: QLA1, QLA2, QLA3, &
  16                                    QCA = (/(i, i= 1, 10)/)
  17     EQUIVALENCE (QLA1, QLA2)
  18     QLA1 = QCA
  19     QLA3 = QCA
  20     QLA3( 2:10:3) = QCA ( 1:5:2) + 1
  21     QLA1( 2:10:3) = QLA2( 1:5:2) + 1  !failed because of dependency
  22     if (any (qla1 .ne. qla3)) STOP 1
  23   END SUBROUTINE
  24 end module
  25
  26 program try_cf004
  27   use stuff
  28   nf1 = 1
  29   nf2 = 2
  30   call cf0004
  31 end