From f72824c6847312b75197e00a7dd6dbde9d35950f Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Tue, 21 Apr 2015 14:29:30 +0200
Subject: [PATCH] isl_coalesce.c: check_facets: improve error handling

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 isl_coalesce.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/isl_coalesce.c b/isl_coalesce.c
index 2899e03b..32522b49 100644
--- a/isl_coalesce.c
+++ b/isl_coalesce.c
@@ -290,6 +290,8 @@ static int check_facets(struct isl_map *map, int i, int j,
 			if (ineq_j[l] != STATUS_CUT)
 				continue;
 			stat = status_in(map->p[j]->ineq[l], tabs[i]);
+			if (stat < 0)
+				return -1;
 			if (stat != STATUS_VALID)
 				break;
 		}
-- 
2.11.4.GIT