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Diffstat (limited to 'gcc/testsuite/gfortran.dg/io_constraints_6.f03')
-rw-r--r-- | gcc/testsuite/gfortran.dg/io_constraints_6.f03 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/io_constraints_6.f03 b/gcc/testsuite/gfortran.dg/io_constraints_6.f03 new file mode 100644 index 00000000000..d0484f5f4fe --- /dev/null +++ b/gcc/testsuite/gfortran.dg/io_constraints_6.f03 @@ -0,0 +1,40 @@ +! { dg-do compile } + +! PR fortran/45776 +! Variable definition context checks related to IO. + +! Contributed by Daniel Kraft, d@domob.eu. + +module m + implicit none + + integer, protected :: a + character(len=128), protected :: str +end module m + +program main + use :: m + integer, parameter :: b = 42 + integer :: x + character(len=128) :: myStr + + namelist /definable/ x, myStr + namelist /undefinable/ x, a + + ! These are invalid. + read (myStr, *) a ! { dg-error "variable definition context" } + read (myStr, *) x, b ! { dg-error "variable definition context" } + write (str, *) 5 ! { dg-error "variable definition context" } + read (*, nml=undefinable) ! { dg-error "contains the symbol 'a' which may not" } + + ! These are ok. + read (str, *) x + write (myStr, *) a + write (myStr, *) b + print *, a, b + write (*, nml=undefinable) + read (*, nml=definable) + write (*, nml=definable) +end program main + +! { dg-final { cleanup-modules "m" } } |