[Bug sanitizer/83987] [6 Regression] ICE with OpenMP, sanitizer and virtual bases

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83987

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jun 25 17:20:18 2018
New Revision: 262061

URL: https://gcc.gnu.org/viewcvs?rev=262061&root=gcc&view=rev
Log:
        Backported from mainline
        2018-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/83987
        * omp-low.c (maybe_remove_omp_member_access_dummy_vars,
        remove_member_access_dummy_vars): New functions.
        (lower_omp_for, lower_omp_taskreg, lower_omp_target,
        lower_omp_1, execute_lower_omp): Use them.

        * tree.c (cp_free_lang_data): Revert 2018-01-23 change.

        * g++.dg/ubsan/pr83987-2.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/ubsan/pr83987-2.C
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/tree.c
    branches/gcc-6-branch/gcc/omp-low.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog