X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Ftailrec.c;h=681a3f8b63dea42ea1c1f67ed9f27f3a896df002;hb=adefa68ae15e598e7c3e60cdf51dbf1d8b57b172;hp=11e9088dd317d158ce85d903760390a895d9a5e0;hpb=bcff0e339ce354349bf40a2cc47fe250d0ca1f6e;p=libfirm

diff --git a/ir/opt/tailrec.c b/ir/opt/tailrec.c
index 11e9088dd..681a3f8b6 100644
--- a/ir/opt/tailrec.c
+++ b/ir/opt/tailrec.c
@@ -489,7 +489,7 @@ static tail_rec_variants find_variant(ir_node *irn, ir_node *call) {
 		return TR_BAD;
 
 	case iro_Sub:
-		/* try additive, but return value mut be left */
+		/* try additive, but return value must be left */
 		a = get_Sub_left(irn);
 		if (get_irn_MacroBlock(a) != get_irn_MacroBlock(call)) {
 			/* we are outside, ignore */
@@ -719,8 +719,11 @@ void opt_tail_recursion(void) {
 
 		current_ir_graph = irg;
 
+		ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
 		if (opt_tail_rec_irg(irg))
 			++n_opt_applications;
+
+		ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
 	}
 
 	DB((dbg, LEVEL_1, "Performed tail recursion for %d of %d graphs\n",