[Bug c++/88110] [9 Regression] ICE (segfault) with -std=C++2a in cxx_eval_constant_expression when trying to evaluate nonoverridden "virtual ... = 0" function of a base class

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88110

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 20 22:23:12 2018
New Revision: 266329

URL: https://gcc.gnu.org/viewcvs?rev=266329&root=gcc&view=rev
Log:
        PR c++/88110
        * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Punt
        if get_base_address of ADDR_EXPR operand is not a DECL_P.

        * g++.dg/cpp2a/constexpr-virtual13.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp2a/constexpr-virtual13.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog