X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Freassoc.c;h=3a1a138cbae697b357c4fc8283b7ee8750c6eaa1;hb=75ae7b18e06eb779d052dd10bd43762ef19f7f75;hp=4e8db32d91044f71a9a4f6b5458ef27591eaecd3;hpb=f69a170ef2d9bf23b79e1ea5e7be4e8921253b3f;p=libfirm

diff --git a/ir/opt/reassoc.c b/ir/opt/reassoc.c
index 4e8db32d9..3a1a138cb 100644
--- a/ir/opt/reassoc.c
+++ b/ir/opt/reassoc.c
@@ -27,13 +27,12 @@
 #include "config.h"
 #endif
 
+#include "iropt_t.h"
 #include "irnode_t.h"
 #include "irgraph_t.h"
 #include "irmode_t.h"
-#include "iropt_t.h"
 #include "ircons_t.h"
 #include "irgmod.h"
-#include "dbginfo.h"
 #include "iropt_dbg.h"
 #include "irflag_t.h"
 #include "irgwalk.h"
@@ -182,6 +181,9 @@ static int reassoc_Sub(ir_node **in)
 		DBG((dbg, LEVEL_5, "Applied: %n - %n => %n + (-%n)\n",
 			get_Sub_left(n), c, get_Sub_left(n), c));
 
+		if(n == irn)
+			return 0;
+
 		exchange(n, irn);
 		*in = irn;