On Mon, Dec 15, 2014 at 05:21:07PM +0100, Pierre-Marie de Rodat wrote:
> Ping for https://gcc.gnu.org/ml/gcc-patches/2014-12/msg00058.html.
Ok for trunk then.
> On 12/01/2014 05:40 PM, Pierre-Marie de Rodat wrote:
> >While I agree this might trigger compatibility issues with old
> >debuggers, I don't know what to do assuming this change is not
> >acceptable: should we add a kludge in add_scalar_info in order to force
> >unsignedness when generating debugging information for Fortran?
>
> Here is a data point: I tried to debug gfortran.dg/array_function_2.f90
> build with my patches compiler for x86_64-linux with a GDB from an old GNAT
> Pro release (5.03a1, from 2005):
>
> (gdb) b array_function_2.f90:24
> (gdb) r
> (gdb) ptype q_in
> type = real*8 (0:-1,-6:-1)
>
> With a recent GDB, I have instead:
> (gdb) ptype q_in
> type = real(kind=8) (0:*,-6:*)
>
> Given that the only thing that my patches changed in the debug information
> for this example is the encoding of the arrays' lower bounds, everything
> looks fine, here.
>
> --
> Pierre-Marie de Rodat
Jakub
