X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fgarbage_collect.c;h=64c0a67cc61ccd9e1bd1b719d1229f64cabba99d;hb=b27ae245166bb695bc4e418ff416d91bc37d0f28;hp=ed31e0bd8af918a50b058b0347d83dc3ac3c453f;hpb=0a6a473a275d6dd952654b338a18d78cbfb2b0ce;p=libfirm

diff --git a/ir/opt/garbage_collect.c b/ir/opt/garbage_collect.c
index ed31e0bd8..64c0a67cc 100644
--- a/ir/opt/garbage_collect.c
+++ b/ir/opt/garbage_collect.c
@@ -149,8 +149,8 @@ static void garbage_collect_in_segment(ir_type *segment)
 
 void garbage_collect_entities(void)
 {
-	/*ssize_t*/long  i;
-	ir_segment_t     s;
+	size_t       i;
+	ir_segment_t s;
 
 	FIRM_DBG_REGISTER(dbg, "firm.opt.garbagecollect");
 
@@ -169,8 +169,8 @@ void garbage_collect_entities(void)
 	/* remove graphs of non-visited functions
 	 * (we have to count backwards so we can safely call remove_irp_irg
 	 *  while iterating) */
-	for (i = get_irp_n_irgs()-1; i >= 0; --i) {
-		ir_graph  *irg    = get_irp_irg(i);
+	for (i = get_irp_n_irgs(); i > 0;) {
+		ir_graph  *irg    = get_irp_irg(--i);
 		ir_entity *entity = get_irg_entity(irg);
 
 		if (entity_visited(entity))