gcc/testsuite/gfortran.dg/save_6.f90

   1 ! { dg-do run }
   2 ! { dg-require-effective-target lto }
   3 ! { dg-options "-fno-automatic -flto -g" }
   4 !
   5 ! PR fortran/55733
   6 !
   7 ! Check that -fno-automatic makes the local variable SAVEd
   8 ! Check that -flto -g works
   9 !
  10
  11 ! Scalar allocatable
  12 subroutine foo(i)
  13   integer :: i
  14   integer, allocatable :: j
  15   if (i == 1) j = 42
  16   if (.not. allocated (j)) STOP 1
  17   if (j /= 42) STOP 2
  18 end
  19
  20 ! Deferred-length string scalar
  21 subroutine bar()
  22   logical, save :: first = .true.
  23   character(len=:), allocatable :: str
  24   if (first) then
  25     first = .false.
  26     if (allocated (str)) STOP 3
  27     str = "ABCDEF"
  28   end if
  29   if (.not. allocated (str)) STOP 4
  30   if (len (str) /= 6) STOP 5
  31   if (str(1:6) /= "ABCDEF") STOP 6
  32 end subroutine bar
  33
  34 ! Deferred-length string array
  35 subroutine bar_array()
  36   logical, save :: first = .true.
  37   character(len=:), allocatable :: str
  38   if (first) then
  39     first = .false.
  40     if (allocated (str)) STOP 7
  41     str = "ABCDEF"
  42   end if
  43   if (.not. allocated (str)) STOP 8
  44   if (len (str) /= 6) STOP 9
  45   if (str(1:6) /= "ABCDEF") STOP 10
  46 end subroutine bar_array
  47
  48 call foo(1)
  49 call foo(2)
  50 call bar()
  51 call bar_array()
  52 call bar()
  53 call bar_array()
  54 end