isl_range.c qpolynomial_bound_on_domain_range: avoid invalid access on error path

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

diff --git a/isl_range.c b/isl_range.c
index 2653fc4..865cb79 100644 (file)
--- a/isl_range.c
+++ b/isl_range.c
@@ -440,7 +440,7 @@ static int qpolynomial_bound_on_domain_range(__isl_take isl_basic_set *bset,
 {
        unsigned nparam = isl_basic_set_dim(bset, isl_dim_param);
        unsigned nvar = isl_basic_set_dim(bset, isl_dim_set);
-       isl_set *set;
+       isl_set *set = NULL;
 
        if (!bset)
                goto error;