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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/95137] Sanitizers seem to be missing support for
 coroutines
Date: Thu, 11 Jun 2020 18:57:33 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95137

--- Comment #27 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Iain D Sandoe
<iains@gcc.gnu.org>:

https://gcc.gnu.org/g:800dac8fca3cf75512913e380df339fa2253ba76

commit r10-8274-g800dac8fca3cf75512913e380df339fa2253ba76
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Thu Jun 11 14:11:14 2020 +0100

    coroutines: Ensure distinct DTOR trees [PR95137].

    Part of the PR notes that there are UBSAN fails for the coroutines
    test suite.  These are primarily related to the use of the same DTOR
    tree in the two edges from the await block.  Fixed by building a new
    tree for each.

    gcc/cp/ChangeLog:

            PR c++/95137
            * coroutines.cc (expand_one_await_expression): Build separate
            DTOR trees for the awaitable object on the destroy and resume
            paths.

    (cherry picked from commit 006f28aefeb3be575239beddc7febe56dff463a2)=