From 352895b7511d26b40023549b6eb6e06a243c9bbd Mon Sep 17 00:00:00 2001
From: Marc-Andre Lafortune <github@marc-andre.ca>
Date: Tue, 21 Jul 2020 23:47:23 -0400
Subject: [PATCH] [ruby/racc] Return `nil` for all syntax errors

https://github.com/ruby/racc/commit/51817ce0f6
---
 ext/racc/cparse/cparse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/racc/cparse/cparse.c b/ext/racc/cparse/cparse.c
index ca74b80000..4d77bbf298 100644
--- a/ext/racc/cparse/cparse.c
+++ b/ext/racc/cparse/cparse.c
@@ -605,7 +605,7 @@ parse_main(struct cparse_params *v, VALUE tok, VALUE val, int resume)
   user_yyerror:
     if (v->errstatus == 3) {
         if (v->t == vFINAL_TOKEN) {
-            v->retval = Qfalse;
+            v->retval = Qnil;
             v->fin = CP_FIN_EOT;
             return;
         }