17 lines
556 B
Fortran
17 lines
556 B
Fortran
! { dg-do compile }
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! { dg-options "-O2 -fdump-tree-optimized" }
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! Tests whether volatile really works for pointers
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! PR fortran/29601
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logical, pointer, volatile :: t1
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logical, pointer :: t2
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integer :: i
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t1 => NULL(t1)
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if(associated(t1)) print *, 'VolatileNotOptimizedAway'
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t2 => NULL(t2)
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if(associated(t2)) print *, 'NonVolatileNotOptimizedAway'
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end
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! { dg-final { scan-tree-dump "VolatileNotOptimizedAway" "optimized" } }
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! { dg-final { scan-tree-dump-not "NonVolatileNotOptimizedAway" "optimized" } }
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! { dg-final { cleanup-tree-dump "optimized" } }
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