The layout of trees has been restructured since anyone has tried to enable fold checking (or =all checking). One of the types referenced, struct tree_type, doesn't exist anymore.
Jakub, I was hoping you could remember exactly what you were trying to test for with this assert. It looks terribly arbitrary after all this time... r~
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 404d904..7568c6f 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -13880,11 +13880,7 @@ fold_checksum_tree (const_tree expr, struct md5_ctx *ctx, htab_t ht) union tree_node buf; int i, len; -recursive_label: - - gcc_assert ((sizeof (struct tree_exp) + 5 * sizeof (tree) - <= sizeof (struct tree_function_decl)) - && sizeof (struct tree_type) <= sizeof (struct tree_function_decl)); + recursive_label: if (expr == NULL) return; slot = (void **) htab_find_slot (ht, expr, INSERT);