[Bug c++/87934] [8/9 regression] struct with NSDMI of enum makes initialization a non-constant expression

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87934

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec 19 08:11:40 2018
New Revision: 267253

URL: https://gcc.gnu.org/viewcvs?rev=267253&root=gcc&view=rev
Log:
        PR c++/87934
        * constexpr.c (cxx_eval_constant_expression) <case CONSTRUCTOR>: Do
        re-process TREE_CONSTANT CONSTRUCTORs if they aren't reduced constant
        expressions.

        * g++.dg/cpp0x/constexpr-87934.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-87934.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog