> Joel> I couldn't really find an answer via quick googling. I am happy
> Joel> excluding opencl as well - that would preserve the existing behavior
> Joel> for this language. Or said differently, it would change the behavior
> Joel> for the following languages: D, Go, Fortran, M2, Asm, Ada, and
> Joel> "minimal".
> 
> Yeah, I think that is the way to go.

OK. Attached is what I checked in after doing another round of testing.
I hope we got the list right, but I'll handle adjustments as followup
patches...

gdb/ChangeLog:

        * dwarf2read.c (prototyped_function_p): New function.
        (read_subroutine_type): Use it.

gdb/testsuite/ChangeLog:

        * gdb.ada/float_param: New testcase.

Thanks for taking the time to work with me on this patch...
-- 
Joel