[Bug c++/89024] [7/8/9 Regression] ICE testing convertibility of incomplete enumeration types

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89024

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Sun Jan 27 19:54:29 2019
New Revision: 268320

URL: https://gcc.gnu.org/viewcvs?rev=268320&root=gcc&view=rev
Log:
        PR c++/89024 - ICE with incomplete enum type.
        * call.c (standard_conversion): When converting an
        ARITHMETIC_TYPE_P to an incomplete type, return NULL.

        * g++.dg/cpp0x/enum37.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/enum37.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/testsuite/ChangeLog