https://gcc.gnu.org/ml/gcc-patches/2018-03/msg00209.html
	PR c++/84497
	* decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.

	PR c++/84497
	* g++.dg/cpp0x/pr84497.C: New.

Co-Authored-By: Jason Merrill <jason@redhat.com>
Co-Authored-By: Nathan Sidwell <nathan@acm.org>

From-SVN: r258244