https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109865
--- Comment #10 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Tue, May 16, 2023 at 03:55:51PM +0000, Gary.White at ColoState dot edu wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109865 > > --- Comment #9 from GARY.WHITE at ColoState dot edu <Gary.White at ColoState > dot edu> --- > Another clue. I'm seeing the same bug in gfortran-13, except that I have to > use -O0 for both cases of mc11ad.f90 in or out of the contains statement. > > Similarly, if I put the set of va09ad.f90 routines in a module, I have to use > -O0 to get correct answers. -O3 causes a bug with va09ad.f90 in a module as > well. > Can you use valgrind? I got the zip file, but reducing that will be a pain. First, the included lapack, blas, and linpack archives are useless to me. Second, there is just way too much code with a complete lack of familiarity to try to reduce this. I suspect you may have to go old school with 'print *' debugging in the problematic subroutine.
