invoke.texi (-fsquangle): Remove documentation.

invoke.texi (-fsquangle): Remove documentation.

	* invoke.texi (-fsquangle): Remove documentation.
	(-fname-mangling-version): Likewise.

	* cp-tree.h (new_abi_rtti_p): Remove.
	(name_mangling_version): Likewise.
	(flag_do_squangling): Likewise.
	* class.c (build_rtti_vtbl_entries): Remove old ABI support.
	* decl.c (grokfndecl): Likewise.
	* decl2.c (name_mangling_version): Remove.
	(flag_do_squangling): Likewise.
	(lang_f_options): Remove `squangle'.
	(unsupported_options): Add `squangle'.
	(cxx_decode_option): Issue a warning about uses of
	-fname-mangling-version.
	(finish_file): Remove old ABI support.
	* pt.c (check_explicit_specialization): Likewise.
	(tsubst_decl): Likewise.
	* rtti.c (init_rtti_processing): Likewise.
	(build_headof): Likewise.
	(get_tinfo_decl_dynamic): Likewise.
	(tinfo_from_decl): Likewise.
	(build_dynamic_cast_1): Likewise.
	(synthesize_tinfo_var): Likewise.
	* init.c (build_new): Allow enumeration types for the array-bounds
	in a direct-new-declarator.

From-SVN: r39845