1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_settracefunc.rb b/test/ruby/test_settracefunc.rb
index b6ec2f14eb..edb356d3dd 100644
--- a/test/ruby/test_settracefunc.rb
+++ b/test/ruby/test_settracefunc.rb
@@ -1901,4 +1901,17 @@ class TestSetTraceFunc < Test::Unit::TestCase
     assert_equal ["c-call", base_line + 35],   events[9] # Thread#set_trace_func
     assert_equal nil,                          events[10]
   end
+
+  def test_lineno_in_optimized_insn
+    actual, _, _ = EnvUtil.invoke_ruby [], <<-EOF.gsub(/^.*?: */, ""), true
+      1: class String
+      2:   def -@
+      3:     puts caller_locations(1, 1)[0].lineno
+      4:   end
+      5: end
+      6:
+      7: -""
+    EOF
+    assert_equal "7\n", actual, '[Bug #14809]'
+  end
 end