[Bug c++/88216] [9 Regression] ICE (-std=c++2a) in cxx_eval_constant_expression, at cp/constexpr.c:4602

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88216

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Dec 13 20:47:32 2018
New Revision: 267108

URL: https://gcc.gnu.org/viewcvs?rev=267108&root=gcc&view=rev
Log:
        PR c++/88216 - ICE with class type in non-type template parameter.
        * mangle.c (write_expression): Handle TARGET_EXPR and
        VIEW_CONVERT_EXPR.
        * pt.c (convert_nontype_argument): Don't call
        get_template_parm_object for value-dependent expressions.

        * g++.dg/cpp2a/nontype-class9.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp2a/nontype-class9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/mangle.c
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog