exclude :test_callcc, "needs investigation"
exclude :test_callcc_escape, "needs investigation"
exclude :test_callcc_iter_level, "needs investigation"
exclude :test_callcc_reenter, "needs investigation"
exclude :test_create, "needs investigation"
exclude :test_eql, "needs investigation"
exclude :test_exception_in_rehash, "needs investigation"
exclude :test_fetch_error, "needs investigation"
exclude :test_hash_bignum_hash, "needs investigation"
exclude :test_hash2, "[ruby-core:58993] [Bug #9231]"
exclude :test_inverse_hash, "needs investigation"
exclude :test_NEWHASH_fstring_key, "needs investigation"
exclude :test_recursive_hash_value_struct, "needs investigation"
exclude :test_reject, "needs investigation"
exclude :test_shift_none, "needs investigation"
exclude :test_AREF_fstring_key, "Depends on MRI-specific GC.stat key"
