isl_map_simplify.c: normalize_divs_in_context: improve error handling

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/isl_map_simplify.c b/isl_map_simplify.c
index 618d7df..47b13c0 100644 (file)
--- a/isl_map_simplify.c
+++ b/isl_map_simplify.c
@@ -2117,6 +2117,8 @@ static struct isl_basic_map *normalize_divs_in_context(
        for (i = 0; i < context->n_eq; ++i) {
                int k;
                k = isl_basic_map_alloc_equality(bmap);
+               if (k < 0)
+                       return isl_basic_map_free(bmap);
                isl_seq_cpy(bmap->eq[k], context->eq[i], 1 + total_context);
                isl_seq_clr(bmap->eq[k] + 1 + total_context,
                                isl_basic_map_total_dim(bmap) - total_context);