[Bug c++/66758] [concepts] ICE compiler deeply confused by simple-seeming concept definition

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66758

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jul 10 07:26:01 2015
New Revision: 225651

URL: https://gcc.gnu.org/viewcvs?rev=225651&root=gcc&view=rev
Log:
        PR c++/66758
        * gcc/cp/parser.c (cp_parser_requirement_parameter_list):Use grokparms.
        * gcc/cp/constraint.cc (fixup_constraint_vars): Remove.
        (tsubst_constraint_variables): Don't call it.
        (declare_constraint_vars): Constraint vars aren't a TREE_LIST anymore.
        (finish_requires_expr): Likewise.
        * gcc/cp/cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
        Likewise.
        * gcc/cp/decl.c (grokparms): No longer static.
        * gcc/cp/cp-tree.h: Declare it.

Added:
    branches/c++-concepts/gcc/testsuite/g++.dg/concepts/req13.C
Modified:
    branches/c++-concepts/ChangeLog.concepts
    branches/c++-concepts/gcc/cp/constraint.cc
    branches/c++-concepts/gcc/cp/cp-tree.h
    branches/c++-concepts/gcc/cp/cxx-pretty-print.c
    branches/c++-concepts/gcc/cp/decl.c
    branches/c++-concepts/gcc/cp/parser.c