https://git.ruby-lang.org/ruby.git/commit/?id=7922fd65e3

From 7922fd65e30fb9f011b939dead38cda94a7e2721 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Wed, 20 Jul 2022 13:13:47 -0700
Subject: Update multiple assignment benchmarks to include non-literal array
 cases

This allows them to show the effect of the previous newarray/expandarray
to swap/opt_reverse optimization.  This shows an 35-83% performance
improvement in the four multiple assignment benchmarks that use this
optimization.
---
 benchmark/masgn.yml | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/benchmark/masgn.yml b/benchmark/masgn.yml
index 4be9333e23..31cb8ee4a3 100644
--- a/benchmark/masgn.yml
+++ b/benchmark/masgn.yml
@@ -1,7 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/benchmark/masgn.yml#L1
 prelude: |
   a = [nil] * 3
   b = Class.new{attr_writer :a, :b, :c}.new
-  c, d, e, f = nil, nil, nil, nil
+  c = d = e = f = g = h = i = nil
 benchmark:
   array2_2: "c = (a[0], a[1] = 1, 2)"
   array2_3: "c = (a[0], a[1] = 1, 2, 3)"
@@ -27,3 +27,27 @@ benchmark: https://github.com/ruby/ruby/blob/trunk/benchmark/masgn.yml#L27
   lvar2_3p: "(d, e = 1, 2, 3; nil)"
   lvar3_2p: "(d, e, f = 1, 2; nil)"
   lvar3_3p: "(d, e, f = 1, 2, 3; nil)"
+  array2_2lv: "c = (a[0], a[1] = g, h)"
+  array2_ilv: "c = (a[0], a[1] = g, h, i)"
+  arrayi_2lv: "c = (a[0], a[1], a[2] = g, h)"
+  arrayi_ilv: "c = (a[0], a[1], a[2] = g, h, i)"
+  attr2_2lv: "c = (b.a, b.b = g, h)"
+  attr2_ilv: "c = (b.a, b.b = g, h, i)"
+  attri_2lv: "c = (b.a, b.b, b.c = g, h)"
+  attri_ilv: "c = (b.a, b.b, b.c = g, h, i)"
+  lvar2_2lv: "c = (d, e = g, h)"
+  lvar2_ilv: "c = (d, e = g, h, i)"
+  lvari_2lv: "c = (d, e, f = g, h)"
+  lvari_ilv: "c = (d, e, f = g, h, i)"
+  array2_2plv: "(a[0], a[1] = g, h; nil)"
+  array2_iplv: "(a[0], a[1] = g, h, i; nil)"
+  arrayi_2plv: "(a[0], a[1], a[2] = g, h; nil)"
+  arrayi_iplv: "(a[0], a[1], a[2] = g, h, i; nil)"
+  attr2_2plv: "(b.a, b.b = g, h; nil)"
+  attr2_iplv: "(b.a, b.b = g, h, i; nil)"
+  attri_2plv: "(b.a, b.b, b.c = g, h; nil)"
+  attri_iplv: "(b.a, b.b, b.c = g, h, i; nil)"
+  lvar2_2plv: "(d, e = g, h; nil)"
+  lvar2_iplv: "(d, e = g, h, i; nil)"
+  lvari_2plv: "(d, e, f = g, h; nil)"
+  lvari_iplv: "(d, e, f = g, h, i; nil)"
-- 
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