Subversion Repositories openrisc

! { 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" } }

! { dg-final { cleanup-tree-dump "optimized" } }