view gcc/testsuite/gfortran.dg/volatile7.f90 @ 118:fd00160c1b76

ifdef TARGET_64BIT
author mir3636
date Tue, 27 Feb 2018 15:01:35 +0900
parents 04ced10e8804
children
line wrap: on
line source

! { dg-do compile }
! { dg-options "-O2 -fdump-tree-optimized" }
! Tests whether volatile really works for pointers
! PR fortran/29601
logical, pointer, volatile :: t1
logical, pointer :: t2
integer :: i

t1 => NULL(t1)
if(associated(t1)) print *, 'VolatileNotOptimizedAway'
t2 => NULL(t2)
if(associated(t2)) print *, 'NonVolatileNotOptimizedAway'
end
! { dg-final { scan-tree-dump "VolatileNotOptimizedAway" "optimized" } }
! { dg-final { scan-tree-dump-not "NonVolatileNotOptimizedAway" "optimized" } }