On Tue, Mar 25, 2025 at 11:04 AM NightStrike <nightstr...@gmail.com> wrote: > > Between GCC 9 and 10, the following code now errors out: > > integer function fcn(x) > implicit none > integer, intent(in) :: x > fcn = x * '0100'X > end function fcn > > Error: BOZ constant at (1) uses nonstandard postfix syntax [see > '-fno-allow-invalid-boz'] > Compiler returned: 1 > > First, the error message is wrong regarding the option to go see: > > gfortran: error: unrecognized command-line option > '-fno-allow-invalid-boz'; did you mean '-fallow-invalid-boz'? > > Second, that option doesn't protect against the aforementioned case. > > Third, and the main point of this email I guess, is that the > porting-to page should mention this: > https://www.gnu.org/software/gcc/gcc-10/porting_to.html > > It talks about argument mismatches, but it doesn't talk about BOZ > literals in expressions, which used to be (perhaps incorrectly) > accepted. There is no new command line option to accept this legacy > code, so the webpage should be updated at a minimum.
Should I open a bugzilla PR about this?
