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	when building statement trees.  Don't build RTL for labels when
	building statement trees.
	* semantics.c (finish_goto_stmt): Use LABEL_DECLs even when
	building statement trees.
	(finish_label_stmt): Likewise.
	(expand_stmt): Adjust accordingly.
	* pt.c (tsubst_expr); Likewise.
	(do_decl_instantiation): Robustify.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@28918 138bc75d-0d04-0410-961f-82ee72b054a4