1 files changed, 22 insertions, 0 deletions
diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb
index f733877319..e4e476d560 100644
--- a/bootstraptest/test_ractor.rb
+++ b/bootstraptest/test_ractor.rb
@@ -187,6 +187,28 @@ assert_equal '[:ok, :ok, :ok]', %q{
   }.map(&:take)
 }
 
+# Ractor.make_shareable issue for locals in proc [Bug #18023]
+assert_equal '[:a, :b, :c, :d, :e]', %q{
+  v1, v2, v3, v4, v5 = :a, :b, :c, :d, :e
+  closure = Proc.new { [v1, v2, v3, v4, v5] }
+
+  Ractor.make_shareable(closure).call
+}
+
+# Ractor.make_shareable issue for locals in proc [Bug #18023]
+assert_equal '[:a, :b, :c, :d, :e, :f, :g]', %q{
+  a = :a
+  closure = -> {
+    b, c, d = :b, :c, :d
+    -> {
+      e, f, g = :e, :f, :g
+      -> { [a, b, c, d, e, f, g] }
+    }.call
+  }.call
+
+  Ractor.make_shareable(closure).call
+}
+
 ###
 ###
 # Ractor still has several memory corruption so skip huge number of tests