Hi! gengtype has an option '-d' which allows to dump it's internal state. I planned to use it in order to create some kind of list of all data which GCC stores in garbage-collected memory.
Unfortunately this option was broken. The attached patch fixes it. Because it only affects gengtype's internal debugging option (and is also rather small), I think it's OK to commit it without approve (as obvious). Bootstrapped and regtested on x86_64-pc-linux-gnu. -- Regards, Mikhail Maltsev gcc/ChangeLog: 2015-10-18 Mikhail Maltsev <malts...@gmail.com> PR other/65800 * gengtype.c (dump_type): Handle TYPE_UNDEFINED correctly.
diff --git a/gcc/gengtype.c b/gcc/gengtype.c index 866d809..8c5c36d 100644 --- a/gcc/gengtype.c +++ b/gcc/gengtype.c @@ -4878,10 +4878,17 @@ dump_type (int indent, type_p t) { PTR *slot; + printf ("%*cType at %p: ", indent, ' ', (void *) t); + if (t->kind == TYPE_UNDEFINED) + { + gcc_assert (t->gc_used == GC_UNUSED); + printf ("undefined.\n"); + return; + } + if (seen_types == NULL) seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); - printf ("%*cType at %p: ", indent, ' ', (void *) t); slot = htab_find_slot (seen_types, t, INSERT); if (*slot != NULL) {