From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sun, 2 Dec 2012 12:23:06 +0000 (+0100)
Subject: isl_ast_codegen.c: generate_sorted_domains: avoid invalid access on error
X-Git-Tag: isl-0.11~12
X-Git-Url: https://repo.or.cz/w/isl.git/commitdiff_plain/112aaabdb4d5670400f914b67631259ac8ba36b6

isl_ast_codegen.c: generate_sorted_domains: avoid invalid access on error

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

diff --git a/isl_ast_codegen.c b/isl_ast_codegen.c
index 1ada490b..9d4d93b9 100644
--- a/isl_ast_codegen.c
+++ b/isl_ast_codegen.c
@@ -1737,6 +1737,8 @@ static __isl_give isl_ast_graft_list *generate_sorted_domains(
 	data.depth = isl_ast_build_get_depth(build);
 	data.piece = domain_list->p;
 	g = isl_tarjan_graph_init(ctx, n, &domain_follows_at_depth, &data);
+	if (!g)
+		goto error;
 
 	i = 0;
 	while (list && n) {