merge revision(s) 1cdae49d39fbaef654df487f168d1fb14a146d59: [Backport #17577]

	Implement NameError::message#clone for Ractor

	---
	 bootstraptest/test_ractor.rb   | 13 +++++++++++++
	 error.c                        | 35 +++++++++++++++++++++++++++++++++--
	 test/objspace/test_objspace.rb |  9 +++++++++
	 3 files changed, 55 insertions(+), 2 deletions(-)

1 files changed, 13 insertions, 0 deletions

diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb
index 56add68403..1c29a2b799 100644
--- a/bootstraptest/test_ractor.rb
+++ b/bootstraptest/test_ractor.rb
@@ -1325,4 +1325,17 @@ assert_equal "#{n}#{n}", %Q{
   }.map{|r| r.take}.join
 }
 
+# NameError
+assert_equal "ok", %q{
+  begin
+    bar
+  rescue => err
+  end
+  begin
+    Ractor.new{} << err
+  rescue TypeError
+    'ok'
+  end
+}
+
 end # if !ENV['GITHUB_WORKFLOW']