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Add NULL pointer check before void_expr_error(); fix #4192

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Yukihiro "Matz" Matsumoto
2018-12-21 09:35:10 +09:00
parent ed2bc5d4ed
commit 94b73b1440
1 changed files with 4 additions and 2 deletions
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mrbgems/mruby-compiler/core/parse.y
+4 -2
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@@ -3664,8 +3664,10 @@ void_expr_error(parser_state *p, node *n)
break;
case NODE_AND:
case NODE_OR:
void_expr_error(p, n->cdr->car);
void_expr_error(p, n->cdr->cdr);
if (n->cdr) {
void_expr_error(p, n->cdr->car);
void_expr_error(p, n->cdr->cdr);
}
break;
case NODE_BEGIN:
if (n->cdr) {