https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108553
--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> ---
I'm trying to reproduce this - in the meantime does the obvious fix solve the
problem for you?
diff --cc gcc/m2/gm2-lang.cc
index 4d9cae205a7,4d9cae205a7..a30e626620c
--- a/gcc/m2/gm2-lang.cc
+++ b/gcc/m2/gm2-lang.cc
@@@ -290,12 -290,12 +290,9 @@@ gm2_langhook_init_options (unsigned in
M2Options_SetVerbose (value);
/* FALLTHROUGH */
default:
++ /* We handled input files above. */
if (code >= N_OPTS)
-- {
-- // FIXME remove debug.
-- fprintf(stderr, "%s : %s\n", opt, (arg ? arg : ""));
-- break;
-- }
++ break;
/* Do not pass Modula-2 args to the preprocessor, any that we care
about here should already have been handled above. */
if (option->flags & CL_ModulaX2)
