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-rw-r--r--test/ruby/test_optimization.rb16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index 2115fc849d..8804931bca 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -275,6 +275,22 @@ class TestRubyOptimization < Test::Unit::TestCase
assert_equal(123, delay { 123 }.call, bug6901)
end
+ def just_yield
+ yield
+ end
+
+ def test_tailcall_inhibited_by_block
+ assert_separately([], <<~'end;')
+ def just_yield
+ yield
+ end
+ iseq = RubyVM::InstructionSequence
+ result = iseq.compile("just_yield {:ok}", __FILE__, __FILE__, __LINE__,
+ tailcall_optimization: true).eval
+ assert_equal(:ok, result)
+ end;
+ end
+
class Bug10557
def [](_)
block_given?