diff options
| -rw-r--r-- | sem_check.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sem_check.c b/sem_check.c index a3d08b8..d174bf8 100644 --- a/sem_check.c +++ b/sem_check.c @@ -82,7 +82,7 @@ ptree *t; yyerror(buf); break; case NOT: - if (t->ret_type == BOOL) + if (t->l && t->l->ret_type == BOOL) return BOOL; yyerror("NOT needs bool input\n"); break; |