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Diffstat (limited to 'gcc/testsuite/gfortran.dg/volatile7.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/volatile7.f90 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/volatile7.f90 b/gcc/testsuite/gfortran.dg/volatile7.f90 new file mode 100644 index 000000000..237a08c07 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/volatile7.f90 @@ -0,0 +1,16 @@ +! { 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" } } |