[Bug preprocessor/83602] [8 Regression] ICE in cpp_macro_definition_location(cpp_hashnode*) on invalid code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83602

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jan  3 12:17:05 2018
New Revision: 256175

URL: https://gcc.gnu.org/viewcvs?rev=256175&root=gcc&view=rev
Log:
        PR preprocessor/83602
        * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
        for builtin macros.

        * g++.dg/cpp/pr83602.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp/pr83602.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/name-lookup.c
    trunk/gcc/testsuite/ChangeLog