[Bug c++/71504] [C++11] constexpr fails with multidimensional arrays

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71504

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Oct  4 06:56:02 2019
New Revision: 276563

URL: https://gcc.gnu.org/viewcvs?rev=276563&root=gcc&view=rev
Log:
        PR c++/71504
        * constexpr.c (cxx_fold_indirect_ref_1): New function.
        (cxx_fold_indirect_ref): Use it.

        * g++.dg/cpp0x/constexpr-array21.C: New test.
        * g++.dg/cpp1y/constexpr-array7.C: New test.
        * g++.dg/cpp1z/constexpr-array1.C: New test.

2019-10-04  Jason Merrill  <jason@redhat.com>

        PR c++/71504
        * g++.dg/cpp0x/constexpr-array20.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-array20.C
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-array21.C
    trunk/gcc/testsuite/g++.dg/cpp1y/constexpr-array7.C
    trunk/gcc/testsuite/g++.dg/cpp1z/constexpr-array1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog