gcc/testsuite/gfortran.dg/where_2.f90

   1 ! { dg-do run }
   2 ! Tests the fix for PR35743 and PR35745.
   3 !
   4 ! Contributed by Dick Hendrickson <dick.hendrickson@gmail.com>
   5 !
   6 program try_rg0025
   7   logical lda(5)
   8   lda = (/(i/2*2 .ne. I, i=1,5)/)
   9   call PR35743 (lda,  1,  2,  3,  5,  6, -1, -2)
  10   CALL PR34745
  11 end program
  12
  13 ! Previously, the negative mask size would not be detected.
  14 SUBROUTINE PR35743 (LDA,nf1,nf2,nf3,nf5,nf6,mf1,mf2)
  15   type unseq
  16     real  r
  17   end type unseq
  18   TYPE(UNSEQ) TDA1L(6)
  19   LOGICAL LDA(NF5)
  20   TDA1L(1:6)%r = 1.0
  21   WHERE (LDA(NF6:NF3))
  22     TDA1L(MF1:NF5:MF1) = TDA1L(NF6:NF2)
  23   ENDWHERE
  24 END SUBROUTINE
  25
  26 ! Previously, the expression in the WHERE block would be evaluated
  27 ! ouside the loop generated by the where.
  28 SUBROUTINE PR34745
  29   INTEGER IDA(10)
  30   REAL RDA(10)
  31   RDA    = 1.0
  32   nf0 = 0
  33   WHERE (RDA < -15.0)
  34     IDA = 1/NF0 + 2
  35   ENDWHERE
  36 END SUBROUTINE