PR c++/21025

	* typeck.c (cxx_sizeof_or_alignof_type): Check whether the type to
	which sizeof/alignof is dependent, rather than just whether we are
	processing_template_decl.

	PR c++/21025
	* g++.dg/template/sizeof9.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98252 138bc75d-0d04-0410-961f-82ee72b054a4