From ef9301a6b747035a113f3c9dfb805214e9285026 Mon Sep 17 00:00:00 2001
From: John Hawthorn <john@hawthorn.email>
Date: Wed, 11 Jun 2025 13:35:28 -0700
Subject: [PATCH] Ensure crr->feature is an fstring

---
 ractor.c                 |  4 ++--
 test/ruby/test_ractor.rb | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/ractor.c b/ractor.c
index 694cae5a00..2b9d5b3d5b 100644
--- a/ractor.c
+++ b/ractor.c
@@ -2339,8 +2339,8 @@ rb_ractor_require(VALUE feature)
     VALUE crr_obj = TypedData_Make_Struct(0, struct cross_ractor_require, &cross_ractor_require_data_type, crr);
     FL_SET_RAW(crr_obj, RUBY_FL_SHAREABLE);
 
-    // TODO: make feature shareable
-    crr->feature = feature;
+    // Convert feature to proper file path and make it shareable as fstring
+    crr->feature = rb_fstring(FilePathValue(feature));
     crr->port = ractor_port_new(GET_RACTOR());
     crr->result = Qundef;
     crr->exception = Qundef;
diff --git a/test/ruby/test_ractor.rb b/test/ruby/test_ractor.rb
index 9ad74ef3c9..e463b504d1 100644
--- a/test/ruby/test_ractor.rb
+++ b/test/ruby/test_ractor.rb
@@ -118,6 +118,21 @@ class TestRactor < Test::Unit::TestCase
     RUBY
   end
 
+  def test_require_non_string
+    assert_ractor(<<~'RUBY')
+      require "tempfile"
+      require "pathname"
+      f = Tempfile.new(["file_to_require_from_ractor", ".rb"])
+      f.write("puts 'success'")
+      f.flush
+      result = Ractor.new(f.path) do |path|
+        require Pathname.new(path)
+        "success"
+      end.value
+      assert_equal "success", result
+    RUBY
+  end
+
   def assert_make_shareable(obj)
     refute Ractor.shareable?(obj), "object was already shareable"
     Ractor.make_shareable(obj)