[Bug c++/83897] [8 Regression] Useless __builtin_unreachable () emitted by the C++ FE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83897

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jan 17 21:08:36 2018
New Revision: 256819

URL: https://gcc.gnu.org/viewcvs?rev=256819&root=gcc&view=rev
Log:
        PR c++/83897
        * cp-gimplify.c (cp_maybe_instrument_return): Handle
        CLEANUP_POINT_EXPR.

        * g++.dg/cpp0x/pr83897.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr83897.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/testsuite/ChangeLog