From 40d72d08bb3f684e3fed53bcc8d717b3d1d3eca8 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 7 Jan 2018 12:55:10 +0000
Subject: node.c: fix SEGV of `->(a:){}` when --dump=parsetree

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 node.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'node.c')

diff --git a/node.c b/node.c
index 4b34b8dab6..bc61f3afc5 100644
--- a/node.c
+++ b/node.c
@@ -378,8 +378,13 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
 	ANN("format: [nd_vid](current dvar) = [nd_value]");
 	ANN("example: 1.times { x = foo }");
 	F_ID(nd_vid, "local variable");
-	LAST_NODE;
-	F_NODE(nd_value, "rvalue");
+	if (node->nd_value == NODE_SPECIAL_REQUIRED_KEYWORD) {
+	    F_MSG(nd_value, "rvalue", "NODE_SPECIAL_REQUIRED_KEYWORD (required keyword argument)");
+	}
+	else {
+	    LAST_NODE;
+	    F_NODE(nd_value, "rvalue");
+	}
 	return;
       case NODE_IASGN:
 	ANN("instance variable assignment");
-- 
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