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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 c++/95003] coroutines: Wrong code for some reference capture
 cases.
Date: Fri, 08 May 2020 19:47:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95003

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Iain D Sandoe <iains@gcc.gnu.org>:

https://gcc.gnu.org/g:234681eadf2c51d7b78270188d64601b7267330d

commit r11-208-g234681eadf2c51d7b78270188d64601b7267330d
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Sun May 3 14:20:13 2020 +0100

    coroutines: Update TREE_SIDE_EFFECTS on inserted bind exprs.

    There are several places where we insert bind expressions while
    making the coroutine AST transforms.  These should be marked as
    having side-effects where relevant, which had been omitted.  This
    leads to at least one failure in the cppcoros test suite, where a loop
    body is dropped in gimplification because it is not marked.

    gcc/cp/ChangeLog:

    2020-05-08  Iain Sandoe  <iain@sandoe.co.uk>

            PR c++/95003
            * coroutines.cc (build_actor_fn): Ensure that bind scopes
            are marked as having side-effects where necessary.
            (replace_statement_captures): Likewise.
            (morph_fn_to_coro): Likewise.

    gcc/testsuite/ChangeLog:

    2020-05-08  Iain Sandoe  <iain@sandoe.co.uk>

            PR c++/95003
            * g++.dg/coroutines/torture/pr95003.C: New test.=