[Bug c++/79896] [5/6/7 Regression] ICE in gimplify_expr, at gimplify.c:11950 on non-int128 target

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79896

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Mar 10 15:28:26 2017
New Revision: 246034

URL: https://gcc.gnu.org/viewcvs?rev=246034&root=gcc&view=rev
Log:
        PR c++/79896
        * decl.c (finish_enum_value_list): If value is error_mark_node,
        don't copy it and change its type.
        * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
        of CONST_DECL is error_mark_node.

        * g++.dg/ext/int128-5.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/int128-5.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/init.c
    trunk/gcc/testsuite/ChangeLog