(check_effective_target_has_w_floating_suffix): New procedure.
	(check_effective_target_has_q_floating_suffix): Ditto.
	* g++.dg/cpp0x/gnu_fext-numeric-literals.C: Add dg-error directive
	for unsupported non-standard suffix on floating constant.
	* g++.dg/cpp0x/std_fext-numeric-literals.C: Ditto.

From-SVN: r193551