From e13b09c450eb4ffc0ffc86d479e5b0c75599ad9c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 19 Sep 2019 23:45:09 +0900
Subject: [PATCH] Use EXPECT_NODE_NONULL

---
 compile.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compile.c b/compile.c
index 58b3b776c6..7cfda23f18 100644
--- a/compile.c
+++ b/compile.c
@@ -5347,8 +5347,7 @@ compile_case2(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_no
 
 	vals = node->nd_head;
 	if (!vals) {
-	    COMPILE_ERROR(ERROR_ARGS "NODE_WHEN: must be NODE_LIST, but 0");
-	    return COMPILE_NG;
+            EXPECT_NODE_NONULL("NODE_WHEN", node, NODE_LIST, COMPILE_NG);
 	}
 	switch (nd_type(vals)) {
 	  case NODE_LIST: