fix name of alignof

1 files changed, 1 insertions, 1 deletions

diff --git a/codegen.c b/codegen.c
index b56a8b9..e3aa08b 100644
--- a/codegen.c
+++ b/codegen.c
@@ -314,7 +314,7 @@ static void gen_expr(Node *node, int to_tmp) {
   if (opt_type_builtins && (node->is_sizeof || node->is_alignof)) {
     decltmp(node->ty, to_tmp);
     if (node->is_sizeof)  printnoln("\tt%d = sizeof ( ", to_tmp);
-    else                  printnoln("\tt%d = alignof ( ", to_tmp);
+    else                  printnoln("\tt%d = _Alignof ( ", to_tmp);
     print_type(node->is_sizeof);
     println(" ) ;");
     return;