gcc/testsuite/gfortran.dg/module_parameter_array_refs_2.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O" }
   3 ! { dg-final { scan-assembler-not "i_am_optimized_away" } }
   4 !
   5 ! PR fortran/50960
   6 !
   7 ! PARAMETER arrays and derived types exists as static variables.
   8 ! Check that the their read-only nature is taken into account
   9 ! when optimizations are done.
  10 !
  11
  12 module m
  13   integer, parameter :: PARA(*) = [1,2,3,4,5,6,7,8,9,10]
  14 end module m
  15
  16 subroutine test()
  17 use m
  18 integer :: i
  19 i = 1
  20 if (para(i) /= 1) call i_am_optimized_away()
  21 end