[Bug c++/84171] [8 Regression] ICE with -Wsign-compare

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84171

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Fri Mar  2 17:51:24 2018
New Revision: 258147

URL: https://gcc.gnu.org/viewcvs?rev=258147&root=gcc&view=rev
Log:
        PR c++/84171
        * c-warn.c (warn_for_sign_compare): Bail out if any of the operands
        is erroneous.

        * g++.dg/warn/Wsign-compare-8.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wsign-compare-8.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-warn.c
    trunk/gcc/testsuite/ChangeLog