[Bug c++/83713] [6/7/8 Regression] ICE in do_narrow at gcc/convert.c:474

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83713

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan  8 13:24:38 2018
New Revision: 256341

URL: https://gcc.gnu.org/viewcvs?rev=256341&root=gcc&view=rev
Log:
2018-01-08  Richard Biener  <rguent...@suse.de>

        PR middle-end/83713
        * convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.

        * g++.dg/torture/pr83713.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr83713.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/convert.c
    trunk/gcc/testsuite/ChangeLog