Revert "tailcall optimization again (#2528)"

This reverts commit f62f90367fc3bce6714e7c34cbd040e14e43fe07.

1 files changed, 0 insertions, 13 deletions

diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index 0d4f69240e..6a9e9601f4 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -451,19 +451,6 @@ class TestRubyOptimization < Test::Unit::TestCase
     }
   end
 
-  def test_tailcall_not_to_grow_stack
-    bug16161 = '[ruby-core:94881]'
-
-    tailcall("#{<<-"begin;"}\n#{<<~"end;"}")
-    begin;
-      def sum(n, s = 0)
-        return s if n < 1
-        sum(n - 1, n + s)
-      end
-    end;
-    assert_equal(0, sum(1_000_000).to_s.size, message(bug16161) {disasm(:fact_helper)})
-  end
-
   class Bug10557
     def [](_)
       block_given?