https://git.ruby-lang.org/ruby.git/commit/?id=a9920e7782

From a9920e7782f225b97e173a88640fe9e116b9964f Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@p...>
Date: Tue, 23 Feb 2021 16:36:04 -0500
Subject: Add tests for bug 17652

---
 test/ruby/test_gc_compact.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/ruby/test_gc_compact.rb b/test/ruby/test_gc_compact.rb
index 4a8cff3..c4277d1 100644
--- a/test/ruby/test_gc_compact.rb
+++ b/test/ruby/test_gc_compact.rb
@@ -60,6 +60,22 @@ class TestGCCompact < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_gc_compact.rb#L60
       GC.auto_compact = before
     end
 
+    def test_bug_17652
+      assert_in_out_err([], "#{<<~"{#"}#{<<~'};'}", timeout: 60)
+      {#
+        GC.auto_compact = true
+  
+        times = 20_000_000
+        arr = Array.new(times)
+        times.times do |i|
+          arr[i] = "#{i}"
+        end
+        
+        arr = Array.new(1_000_000, 42)
+        GC.start
+      };
+    end
+
     private
 
     def supports_auto_compact?
-- 
cgit v1.1


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