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-rw-r--r--test/ruby/test_regexp.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index e17cd6f962..3fa0fcf83c 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -915,6 +915,9 @@ class TestRegexp < Test::Unit::TestCase
bug7471 = '[ruby-core:50344]'
assert_warning('', bug7471) { Regexp.new('[\D]') =~ "\u3042" }
+
+ bug8151 = '[ruby-core:53649]'
+ assert_warning(/\A\z/, bug8151) { Regexp.new('(?:[\u{33}])').to_s }
end
def test_property_warn