I don’t have the exact error message corresponding to each test but I can probably get you that if you need it. But here are lists of tests that produce “could not scan” and “could not parse” errors. The paths are relative to Fortran/gfortran/regression in the test suite:
Could not scan
badline.f
bom_UTF-32.f90
bom_UTF16-BE.f90
bom_UTF16-LE.f90
feed_1.f90
feed_2.f90
include_13.f90
openacc-define-3.f90
openmp-define-3.f90
goacc-gomp/free-1.f90
gomp/declare-variant-13.f90
gomp/declare-variant-14.f90
gomp/declare-variant-15.f90
gomp/declare-variant-16.f90
gomp/declare-variant-1.f90
gomp/declare-variant-3.f90
gomp/declare-variant-4.f90
gomp/declare-variant-5.f90
gomp/declare-variant-8.f90
gomp/declare-variant-9.f90
gomp/free-2.f90
gomp/include_1.f
** Could not parse **
d_lines_2.f
dec_d_lines_1.f
fmt_read_3.f90
auto_in_equiv_1.f90
auto_in_equiv_2.f90
automatic_1.f90
dec-comparison-character_1.f90
dec-comparison-character_2.f90
dec_exp_1.f90
dec_format_empty_item_1.f
dec_io_1.f90
dec_parameter_1.f
dec_parameter_2.f90
dec_static_1.f90
dec_static_2.f90
dec_structure_10.f90
dec_structure_5.f90
dec_structure_7.f90
substr_9.f90
goacc-gomp/fixed-1.f
goacc/nested-reductions-1-kernels.f90
goacc/nested-reductions-1-parallel.f90
goacc/nested-reductions-2-kernels.f90
goacc/nested-reductions-2-parallel.f90
goacc/specification-part.f90
gomp/affinity-1.f90
gomp/affinity-clause-1.f90
gomp/affinity-clause-3.f90
gomp/affinity-clause-5.f90
gomp/all-memory-2.f90
gomp/all-memory-3.f90
gomp/assume-1.f90
gomp/assume-3.f90
gomp/assume-4.f90
gomp/atomic-16.f90
gomp/atomic-17.f90
gomp/atomic-19.f90
gomp/atomic-20.f90
gomp/atomic-21.f90
gomp/atomic-25.f90
gomp/atomic.f90
gomp/cancel-3.f90
gomp/clauses-1.f90
gomp/declare-simd-4.f90
gomp/depend-4.f90
gomp/depend-5.f90
gomp/depend-6.f90
gomp/depend-iterator-1.f90
gomp/depobj-1.f90
gomp/error-2.f90
gomp/if-1.f90
gomp/lastprivate-conditional-2.f90
gomp/lastprivate-conditional-3.f90
gomp/lastprivate-conditional-4.f90
gomp/linear-2.f90
gomp/linear-4.f90
gomp/loop-1.f90
gomp/loop-3.f90
gomp/loop-5.f90
gomp/map-6.f90
gomp/map-7.f90
gomp/masked-1.f90
gomp/masked-combined-1.f90
gomp/masked-taskloop.f90
gomp/nothing-1.f90
gomp/nowait-2.f90
gomp/nowait-3.f90
gomp/nowait-5.f90
gomp/nowait-7.f90
gomp/num-teams-1.f90
gomp/num-teams-2.f90
gomp/omp_parse1.f90
gomp/openmp-simd-7.f90
gomp/openmp-simd-8.f90
gomp/order-1.f90
gomp/parallel-master-1.f90
gomp/pr102431.f90
gomp/pr102621.f90
gomp/pr103643.f90
gomp/pr103695.f90
gomp/pr107214-4.f90
gomp/pr77665.f90
gomp/pr99928-11.f90
gomp/pr99928-1.f90
gomp/pr99928-2.f90
gomp/pr99928-3.f90
gomp/pr99928-4.f90
gomp/pr99928-5.f90
gomp/pr99928-6.f90
gomp/pr99928-8.f90
gomp/reduction-task-1.f90
gomp/reduction-task-3.f90
gomp/scan-2.f90
gomp/scan-3.f90
gomp/scan-4.f90
gomp/scan-5.f90
gomp/scope-1.f90
gomp/scope-2.f90
gomp/scope-6.f90
gomp/strictly-structured-block-1.f90
gomp/strictly-structured-block-3.f90
gomp/taskloop-1.f90
gomp/workshare-reduction-10.f90
gomp/workshare-reduction-11.f90
gomp/workshare-reduction-12.f90
gomp/workshare-reduction-13.f90
gomp/workshare-reduction-14.f90
gomp/workshare-reduction-15.f90
gomp/workshare-reduction-16.f90
gomp/workshare-reduction-17.f90
gomp/workshare-reduction-18.f90
gomp/workshare-reduction-19.f90
gomp/workshare-reduction-1.f90
gomp/workshare-reduction-20.f90
gomp/workshare-reduction-21.f90
gomp/workshare-reduction-22.f90
gomp/workshare-reduction-23.f90
gomp/workshare-reduction-24.f90
gomp/workshare-reduction-25.f90
gomp/workshare-reduction-26.f90
gomp/workshare-reduction-27.f90
gomp/workshare-reduction-28.f90
gomp/workshare-reduction-29.f90
gomp/workshare-reduction-2.f90
gomp/workshare-reduction-30.f90
gomp/workshare-reduction-31.f90
gomp/workshare-reduction-32.f90
gomp/workshare-reduction-33.f90
gomp/workshare-reduction-34.f90
gomp/workshare-reduction-35.f90
gomp/workshare-reduction-36.f90
gomp/workshare-reduction-37.f90
gomp/workshare-reduction-38.f90
gomp/workshare-reduction-39.f90
gomp/workshare-reduction-3.f90
gomp/workshare-reduction-40.f90
gomp/workshare-reduction-41.f90
gomp/workshare-reduction-42.f90
gomp/workshare-reduction-43.f90
gomp/workshare-reduction-44.f90
gomp/workshare-reduction-45.f90
gomp/workshare-reduction-46.f90
gomp/workshare-reduction-47.f90
gomp/workshare-reduction-48.f90
gomp/workshare-reduction-49.f90
gomp/workshare-reduction-4.f90
gomp/workshare-reduction-50.f90
gomp/workshare-reduction-51.f90
gomp/workshare-reduction-52.f90
gomp/workshare-reduction-53.f90
gomp/workshare-reduction-54.f90
gomp/workshare-reduction-55.f90
gomp/workshare-reduction-56.f90
gomp/workshare-reduction-57.f90
gomp/workshare-reduction-58.f90
gomp/workshare-reduction-5.f90
gomp/workshare-reduction-6.f90
gomp/workshare-reduction-7.f90
gomp/workshare-reduction-8.f90
gomp/workshare-reduction-9.f90
vect/vect-8.f90