[Bug sanitizer/70342] g++ -fsanitize=undefined never finishes compiling (>24h) in qtxmlpatterns test suite

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70342

--- Comment #9 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Fri Apr 29 12:32:45 2016
New Revision: 235637

URL: https://gcc.gnu.org/viewcvs?rev=235637&root=gcc&view=rev
Log:
        PR sanitizer/70342
        * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
        TARGET_EXPR_SLOT as a base.

        * g++.dg/ubsan/null-7.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ubsan/null-7.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog