[Bug testsuite/28032] gfortran.dg tests use dg-options with -On even though it is already torture tests

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28032

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Aha, it needs a non-empty set of args, which can be ignored. So:

proc dg-gfortran-onepass { args } {
        global DO_ONE_PASS 
        set DO_ONE_PASS 1
        puts "\nRunning dg-gfortran-onepass\n"
}

and then in the tests:

! { dg-gfortran-onepass "" }