gcc/cp:

2013-04-17  Ed Smith-Rowland  <3dw4rd@verizon.net>

	Implement n3599 - Literal operator templates for strings.
	* parser.c (make_string_pack (tree value)): New function.
	(cp_parser_userdef_string_literal (cp_token *)): Use it
	to construct calls to character string literal operator templates.
	(cp_parser_template_declaration_after_export): Check for new string
	literal operator template parameter form.


gcc/testsuite:

2013-04-17  Ed Smith-Rowland  <3dw4rd@verizon.net>

	Implement n3599 - Literal operator templates for strings.
	* g++.dg/cpp1y/udlit-char-template.C: New test.
	* g++.dg/cpp1y/udlit-char-template-neg.C: New test.