From 2a4b6ed37cbb7acb622703be4db770457c2b72cc Mon Sep 17 00:00:00 2001
From: yui-knk <spiketeika@gmail.com>
Date: Fri, 16 Feb 2024 17:33:39 +0900
Subject: Workaround for `Prism::ParseTest#test_filepath` for
 "unparser/corpus/literal/def.txt"

See the discussion on https://github.com/ruby/ruby/pull/9923
---
 parse.y                  | 10 ++++++++++
 test/prism/parse_test.rb |  2 --
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/parse.y b/parse.y
index 8ca4d78eae..284395ed7b 100644
--- a/parse.y
+++ b/parse.y
@@ -9412,7 +9412,17 @@ formal_argument(struct parser_params *p, ID id)
 #undef ERR
     }
     shadowing_lvar(p, id);
+
+/*
+ * Workaround for Prism::ParseTest#test_filepath for "unparser/corpus/literal/def.txt"
+ *
+ * See the discussion on https://github.com/ruby/ruby/pull/9923
+ */
+#ifndef RIPPER
     return id;
+#else
+    return 0;
+#endif
 }
 
 #ifdef RIPPER
diff --git a/test/prism/parse_test.rb b/test/prism/parse_test.rb
index 55b8c0178e..574a1c1714 100644
--- a/test/prism/parse_test.rb
+++ b/test/prism/parse_test.rb
@@ -207,8 +207,6 @@ module Prism
       # https://bugs.ruby-lang.org/issues/19539
       ripper_should_parse = false if relative == "heredocs_leading_whitespace.txt" && RUBY_VERSION < "3.3.0"
 
-      ripper_should_parse = false if relative == "unparser/corpus/literal/def.txt"
-
       define_method "test_filepath_#{relative}" do
         # First, read the source from the filepath. Use binmode to avoid converting CRLF on Windows,
         # and explicitly set the external encoding to UTF-8 to override the binmode default.
-- 
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