[Bug c++/92414] [10 Regression] internal compiler error: tree check: expected constructor, have error_mark in cxx_eval_store_expression, at cp/constexpr.c:4009

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92414

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov 19 21:28:22 2019
New Revision: 278468

URL: https://gcc.gnu.org/viewcvs?rev=278468&root=gcc&view=rev
Log:
        PR c++/92414
        * constexpr.c (cxx_eval_outermost_constant_expr): If DECL_INITIAL
        on object is erroneous, return t without trying to evaluate
        a constexpr dtor.

        * g++.dg/cpp2a/constexpr-dtor4.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp2a/constexpr-dtor4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog