Fix various bugs

1 files changed, 2 insertions, 0 deletions

diff --git a/ast.c b/ast.c
index 744ff4b..dcbb961 100644
--- a/ast.c
+++ b/ast.c
@@ -464,6 +464,8 @@ ast_type_spec_new_object (ast_class_definition_t *class)
 ast_type_spec_t *
 ast_type_spec_resolve (ast_type_spec_t *type)
 {
+    g_return_val_if_fail (type != NULL, NULL);
+
     if (type->common.type == AST_IDENTIFIER_TYPE)
 	return ast_type_spec_resolve (type->identifier.resolved);
     else