2010-02-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/23510
cp/
	* error.c (print_instantiation_partial_context_line): New.
	(print_instantiation_partial_context): Print at most 12 contexts,
	skip the rest with a message.
testsuite/
	* g++.dg/template/recurse.C: Adjust.
	* g++.dg/template/pr23510.C: New.

From-SVN: r156942