[Bug c++/84596] [8 Regression] internal compiler error: unexpected expression '(bool)c' of kind implicit_conv_expr (cxx_eval_constant_expression)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84596

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Mar  1 17:08:35 2018
New Revision: 258107

URL: https://gcc.gnu.org/viewcvs?rev=258107&root=gcc&view=rev
Log:
        PR c++/84596
        * constexpr.c (require_rvalue_constant_expression): New function.
        * cp-tree.h: Declare it.
        * semantics.c (finish_static_assert): Use it instead of
        require_potential_rvalue_constant_expression.

        * g++.dg/cpp0x/static_assert14.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/static_assert14.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog