re PR c++/71821 (ICE on invalid C++11 code (incorrect argument for alignas): unexpected expression ‘f<int>’ of kind template_id_expr)

2017-10-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71821
	* g++.dg/cpp0x/alignas12.C: New.

From-SVN: r253828