[Bug sanitizer/66452] [6 Regression] [UBSAN] *.Lubsan_data0' defined but not used

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66452

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Mon Jun  8 10:35:24 2015
New Revision: 224216

URL: https://gcc.gnu.org/viewcvs?rev=224216&root=gcc&view=rev
Log:
        PR sanitizer/66452
        * toplev.c (check_global_declaration): Don't warn about artificial
        decls.

        * g++.dg/ubsan/pr66452.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ubsan/pr66452.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/toplev.c