From baa84eca23c29ea1a49a8c1f9ad2d12cb5266a60 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 5 Aug 2011 17:55:19 +0200
Subject: [PATCH] isl_basic_map_remove_dims: properly handle named or nested
 spaces

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

diff --git a/isl_map.c b/isl_map.c
index 4e41529..0c2cd15 100644
--- a/isl_map.c
+++ b/isl_map.c
@@ -1443,7 +1443,7 @@ struct isl_basic_map *isl_basic_map_remove_dims(struct isl_basic_map *bmap,
 		return NULL;
 	isl_assert(bmap->ctx, first + n <= isl_basic_map_dim(bmap, type),
 			goto error);
-	if (n == 0)
+	if (n == 0 && !isl_dim_is_named_or_nested(bmap->dim, type))
 		return bmap;
 	bmap = isl_basic_map_eliminate_vars(bmap,
 			isl_basic_map_offset(bmap, type) - 1 + first, n);
-- 
2.7.4