From e943511455acfd70dc3bd085038969a11802d688 Mon Sep 17 00:00:00 2001
From: "Ian C. Anderson" <ian@iancanderson.com>
Date: Mon, 25 Oct 2021 10:40:33 -0400
Subject: YJIT: Implement duphash (#5009)

`duphash` showed up in the top-20 most frequent exit ops for @jhawthorn's benchmark that renders github.com/about

The implementation was almost exactly the same as `duparray`

Co-authored-by: John Hawthorn <john@hawthorn.email>

Co-authored-by: John Hawthorn <john@hawthorn.email>
---
 bootstraptest/test_yjit.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'bootstraptest')

diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index 183b19c3eb..c94c710c4d 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -2268,3 +2268,13 @@ assert_equal "true", %q{
 
     expected == events
 }
+
+# duphash
+assert_equal '{:foo=>123}', %q{
+  def foo
+    {foo: 123}
+  end
+
+  foo
+  foo
+}
-- 
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