re PR c++/60894 (Use of redundant struct keyword in function prototype combined with using statement causes compilation error)

/cp
2015-02-13  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60894
	* decl.c (lookup_and_check_tag): Use strip_using_decl.

/testsuite
2015-02-13  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60894
	* g++.dg/lookup/using54.C: New.

From-SVN: r220702