re PR c++/60702 (thread_local initialization)

re PR c++/60702 (thread_local initialization)

	PR c++/60702
	* cp-tree.h (get_tls_wrapper_fn): Remove declaration.
	(maybe_get_tls_wrapper_call): Declare.
	* decl2.c (get_tls_wrapper_fn): Make static.
	(maybe_get_tls_wrapper_call): New function.
	* typeck.c (build_class_member_access_expr): Handle accesses to TLS
	variables.
	* semantics.c (finish_qualified_id_expr): Likewise.
	(finish_id_expression_1): Use maybe_get_tls_wrapper_call.
	* pt.c (tsubst_copy_and_build): Likewise.

	* g++.dg/tls/thread_local11.C: New test.
	* g++.dg/tls/thread_local11.h: New test.
	* g++.dg/tls/thread_local12a.C: New test.
	* g++.dg/tls/thread_local12b.C: New test.
	* g++.dg/tls/thread_local12c.C: New test.
	* g++.dg/tls/thread_local12d.C: New test.
	* g++.dg/tls/thread_local12e.C: New test.
	* g++.dg/tls/thread_local12f.C: New test.
	* g++.dg/tls/thread_local12g.C: New test.
	* g++.dg/tls/thread_local12h.C: New test.
	* g++.dg/tls/thread_local12i.C: New test.
	* g++.dg/tls/thread_local12j.C: New test.
	* g++.dg/tls/thread_local12k.C: New test.
	* g++.dg/tls/thread_local12l.C: New test.

From-SVN: r269875