Updating constraint parsing to match changes to spec. Constraints must always left unfolded, even when non-dependent, until they are evaluated.
2014-06-25 Andrew Sutton <andrew.n.sut...@gmail.com>
* gcc/cp/parser.c (cp_parser_requires_clause): Don't fold expressions
when parsing a requires-clause.
* gcc/cp/constraint.cc (reduce_requirements): Don't fold
expressions during constraint normalization.
Andrew Sutton
