cp/
	* decl.c (record_key_method_defined): New, broken out of ...
	(finish_function): ... here.  Call it.	
	(start_decl): Treat aliases as definitions.

	testsuite/
	* g++.dg/ext/attr-alias-1.C: New.
	* g++.dg/ext/attr-alias-2.C: New.

From-SVN: r160431