[Bug c++/79655] [5/6/7 Regression] ICE on invalid c++ code in cxx_eval_store_expression in cp/constexpr.c:3464

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79655

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Feb 21 17:57:23 2017
New Revision: 245636

URL: https://gcc.gnu.org/viewcvs?rev=245636&root=gcc&view=rev
Log:
        PR c++/79655
        * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.

        * g++.dg/cpp1y/constexpr-79655.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/constexpr-79655.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog