[Bug c++/68530] [C++14] sorry, unimplemented: unexpected AST of kind loop_expr

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68530

--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Apr 19 18:49:54 2016
New Revision: 235217

URL: https://gcc.gnu.org/viewcvs?rev=235217&root=gcc&view=rev
Log:
        PR c++/68206 - Fix constexpr diagnostics with loops.

        PR c++/68530
        * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
        and GOTO_EXPR.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/constexpr-loop5.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c