/cp
2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/79361
	* pt.c (register_specialization): Check duplicate_decls return value
	for error_mark_node and pass it back.

/testsuite
2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/79361
	* g++.dg/cpp0x/pr79361-1.C: New.
	* g++.dg/cpp0x/pr79361-2.C: Likewise.

From-SVN: r245692