se
	mode can be linked against a translation unit <span class="emphasis"><em>B</em></span> that
	contains the same instantiation compiled in debug mode (a
	feature not present with partial recompilation). While this
	behavior is technically a violation of the One Definition
	Rule, this ability tends to be very important in
	practice. The libstdc++ debug mode supports this level of
	recompilation. </p></li><li class="listitem"><p><span class="emphasis"><em>Per-unit recompilation</em></span>: The user must on