1! { dg-do compile } 2! { dg-options "-O2 -fdump-tree-optimized" } 3! Tests whether volatile really works for pointers 4! PR fortran/29601 5logical, pointer, volatile :: t1 6logical, pointer :: t2 7integer :: i 8 9t1 => NULL(t1) 10if(associated(t1)) print *, 'VolatileNotOptimizedAway' 11t2 => NULL(t2) 12if(associated(t2)) print *, 'NonVolatileNotOptimizedAway' 13end 14! { dg-final { scan-tree-dump "VolatileNotOptimizedAway" "optimized" } } 15! { dg-final { scan-tree-dump-not "NonVolatileNotOptimizedAway" "optimized" } } 16