[Bug c++/95311] [11 Regression] ICE in cp_ubsan_maybe_instrument_member_call at gcc/cp/cp-ubsan.c:136 since r11-578-g72af65b91cc2a2eb

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95311

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jason Merrill <ja...@gcc.gnu.org>:

https://gcc.gnu.org/g:8e915901deb3518d4bef73ea52eab2ece7a2bbf6

commit r11-728-g8e915901deb3518d4bef73ea52eab2ece7a2bbf6
Author: Jason Merrill <ja...@redhat.com>
Date:   Fri May 29 11:59:33 2020 -0400

    c++: vptr ubsan and derived class [PR95311].

    We weren't able to find OBJ_TYPE_REF_OBJECT walking through
    OBJ_TYPE_REF_EXPR because we had folded away the ADDR_EXPR.

    gcc/cp/ChangeLog:

            PR c++/95311
            PR c++/95221
            * class.c (build_vfn_ref): Don't fold the INDIRECT_REF.

    gcc/testsuite/ChangeLog:

            PR c++/95311
            * g++.dg/ubsan/vptr-16.C: New test.