isl_ast_codegen.c: generate_component: avoid invalid access on error path

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

diff --git a/isl_ast_codegen.c b/isl_ast_codegen.c
index 86b9658..dfd634e 100644 (file)
--- a/isl_ast_codegen.c
+++ b/isl_ast_codegen.c
@@ -3210,7 +3210,7 @@ static __isl_give isl_ast_graft_list *generate_component(
        isl_ctx *ctx;
        isl_map *map;
        isl_set *deltas;
-       isl_val *gcd;
+       isl_val *gcd = NULL;
        isl_multi_val *mv;
        int fixed, skip;
        int base;