[Bug c++/79657] ICE on invalid c++ code in finish_underlying_type cp/semantics.c:3849

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79657

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Feb 22 19:33:13 2017
New Revision: 245658

URL: https://gcc.gnu.org/viewcvs?rev=245658&root=gcc&view=rev
Log:
        PR c++/79657
        * semantics.c (finish_underlying_type): Bail out for incomplete enums.

        * g++.dg/ext/underlying_type12.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/underlying_type12.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog