BugFix: fixed list_for_each_safe() instance.

[libfirm] / ir / tr / tr_inheritance.c

diff --git a/ir/tr/tr_inheritance.c b/ir/tr/tr_inheritance.c
index cba4fdc..33d77a2 100644 (file)
--- a/ir/tr/tr_inheritance.c
+++ b/ir/tr/tr_inheritance.c
@@ -337,6 +337,7 @@ void compute_inh_transitive_closure(void) {
        free_inh_transitive_closure();
 
        /* The 'down' relation */
+       irp_reserve_resources(irp, IR_RESOURCE_TYPE_VISITED);
        inc_master_type_visited();  /* Inc twice: one if on stack, second if values computed. */
        inc_master_type_visited();
        for (i = 0; i < n_types; ++i) {
@@ -385,6 +386,7 @@ void compute_inh_transitive_closure(void) {
        }
 
        irp->inh_trans_closure_state = inh_transitive_closure_valid;
+       irp_free_resources(irp, IR_RESOURCE_TYPE_VISITED);
 }
 
 /** Free memory occupied by the transitive closure information. */