re PR c/58267 (Alignment specifier allowed within array declarator;)

re PR c/58267 (Alignment specifier allowed within array declarator;)

	PR c/58267
c/
	* c-parser.c (c_parser_declspecs): Add alignspec_ok parameter.
	Document syntax of the array-declarator.
	(c_parser_declspecs) <RID_ALIGNAS>: Bail out if alignment specs
	are not permitted.
	(c_parser_declaration_or_fndef): Adjust c_parser_declspecs call.
	(c_parser_struct_declaration): Likewise.
	(c_parser_declarator): Likewise.
	(c_parser_direct_declarator_inner): Likewise.
	(c_parser_parameter_declaration): Likewise.
	(c_parser_type_name): Likewise.
testsuite/
	* gcc.dg/c1x-align-5.c: New test.

From-SVN: r203742