From 60e207b47f377b04d11df9a9dbb0548a578c2776 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Tue, 31 Oct 2023 17:01:28 -0400
Subject: [PATCH] Fix SystemStackError for test_run_out_of_shape_for_class

---
 test/ruby/test_shapes.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/ruby/test_shapes.rb b/test/ruby/test_shapes.rb
index 529964729b..56e6ac67eb 100644
--- a/test/ruby/test_shapes.rb
+++ b/test/ruby/test_shapes.rb
@@ -255,13 +255,14 @@ class TestShapes < Test::Unit::TestCase
   def test_run_out_of_shape_for_class
     assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
     begin;
-      c = Class.new
       i = 0
       while RubyVM::Shape.shapes_available > 0
+        c = Class.new
         c.instance_variable_set(:"@i#{i}", 1)
         i += 1
       end
 
+      c = Class.new
       c.instance_variable_set(:@a, 1)
       assert_equal(1, c.instance_variable_get(:@a))
       c.remove_instance_variable(:@a)