merge revision(s) 1870505f478cc75993b296b7144a45137ace6937: [Backport #20651]

	Fix wrong unreachable chunk remove when jump destination label is unremovable

1 files changed, 5 insertions, 0 deletions

diff --git a/test/ruby/test_iseq.rb b/test/ruby/test_iseq.rb
index e8c6382300..dc9ef17ffe 100644
--- a/test/ruby/test_iseq.rb
+++ b/test/ruby/test_iseq.rb
@@ -780,6 +780,11 @@ class TestISeq < Test::Unit::TestCase
   end
 
   def test_unreachable_pattern_matching
+    assert_in_out_err([], "true or 1 in 1")
+    assert_in_out_err([], "true or (case 1; in 1; 1; in 2; 2; end)")
+  end
+
+  def test_unreachable_pattern_matching_in_if_condition
     assert_in_out_err([], "#{<<~"begin;"}\n#{<<~'end;'}", %w[1])
     begin;
       if true or {a: 0} in {a:}