https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98904
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- The compile line of relevance is /home/dcb/gcc/working.valgrind/./gcc/gfortran -B/home/dcb/gcc/working.valgrind/./gcc/ -B/home/dcb/gcc/results.20210131.valgrind/x86_64-pc-linux-gnu/bin/ -B/home/dcb/gcc/results.20210131.valgrind/x86_64-pc-linux-gnu/lib/ -isystem /home/dcb/gcc/results.20210131.valgrind/x86_64-pc-linux-gnu/include -isystem /home/dcb/gcc/results.20210131.valgrind/x86_64-pc-linux-gnu/sys-include -L. -Wall -L../libgfortran -fcf-protection -mshstk -cpp -fopenmp -fsyntax-only omp_lib.f90