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	(maybe_push_to_top_level): Clear shadowed_labels.
	* pt.c (instantiate_decl): Reset lineno and filename after calling
	regenerate_decl_from_template.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@20093 138bc75d-0d04-0410-961f-82ee72b054a4