* langhooks.h (struct lang_hooks_for_decls): Remove
	function_decl_explicit_p, function_decl_deleted_p and
	function_decl_defaulted hooks.  Add decl_dwarf_attribute hook.
	* langhooks-def.h (lhd_decl_dwarf_attribute): Declare.
	(LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
	LANG_HOOKS_FUNCTION_DECL_DELETED_P,
	LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
	(LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Define.
	(LANG_HOOKS_DECLS): Remove LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
	LANG_HOOKS_FUNCTION_DECL_DELETED_P and
	LANG_HOOKS_FUNCTION_DECL_DEFAULTED.  Add
	LANG_HOOKS_DECL_DWARF_ATTRIBUTE.
	* langhooks.c (lhd_decl_dwarf_attribute): New function.
	* dwarf2out.c (gen_subprogram_die): Use
	lang_hooks.decls.decl_dwarf_attribute instead of
	lang_hooks.decls.function_decl_*.
cp/
	* cp-objcp-common.h (cp_function_decl_explicit_p,
	cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
	(cp_decl_dwarf_attribute): Declare.
	(LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
	LANG_HOOKS_FUNCTION_DECL_DELETED_P,
	LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
	(LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
	* cp-objcp-common.c (cp_function_decl_explicit_p,
	cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
	(cp_decl_dwarf_attribute): New function.

From-SVN: r241227