Remove compiler-warnings related to CTP from output

[Viatorus]

See

compile-time-printer/tests/test_main.py

Lines 137 to 140 in d1dacb3

	def test_workarounds():
	out, err = run_main('workarounds.cpp')
	assert out == '1\n2\n3\n4\n1\n2\n3\n4\n'
	# TODO: assert err == ""