From 94b73b14402af26a844a98d22a87cce7d8f58ea0 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Fri, 21 Dec 2018 09:35:10 +0900 Subject: Add `NULL` pointer check before `void_expr_error()`; fix #4192 --- mrbgems/mruby-compiler/core/parse.y | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y index d143344c3..0e67e5881 100644 --- a/mrbgems/mruby-compiler/core/parse.y +++ b/mrbgems/mruby-compiler/core/parse.y @@ -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) { -- cgit v1.2.3