X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fgarbage_collect.c;h=64c0a67cc61ccd9e1bd1b719d1229f64cabba99d;hb=b27ae245166bb695bc4e418ff416d91bc37d0f28;hp=9f32c64e902bca898c274ef12515a4bc5dbd19d7;hpb=9d4e23060441530a20af5d331268435bfe18f305;p=libfirm

diff --git a/ir/opt/garbage_collect.c b/ir/opt/garbage_collect.c
index 9f32c64e9..64c0a67cc 100644
--- a/ir/opt/garbage_collect.c
+++ b/ir/opt/garbage_collect.c
@@ -149,7 +149,7 @@ static void garbage_collect_in_segment(ir_type *segment)
 
 void garbage_collect_entities(void)
 {
-	size_t       i, n;
+	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 = 0, n = get_irp_n_irgs(); i < n; ++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))